diff --git a/examples/canvaswater.hs b/examples/canvaswater.hs
--- a/examples/canvaswater.hs
+++ b/examples/canvaswater.hs
@@ -1,4 +1,4 @@
--- | Compile with: dist/build/fay/fay -autorun examples/canvaswater.hs
+-- | Compile with: fay examples/canvaswater.hs
 
 {-# LANGUAGE EmptyDataDecls    #-}
 {-# LANGUAGE NoImplicitPrelude #-}
diff --git a/examples/data.hs b/examples/data.hs
--- a/examples/data.hs
+++ b/examples/data.hs
@@ -1,6 +1,6 @@
 -- Generate Show value.
 --
--- $ fay -autorun examples/data.hs
+-- $ fay examples/data.hs
 -- $ node examples/data.js
 -- (Foo { x = 123, y = "abc", z = (Bar) })
 
diff --git a/examples/tailrecursive.hs b/examples/tailrecursive.hs
--- a/examples/tailrecursive.hs
+++ b/examples/tailrecursive.hs
@@ -2,7 +2,7 @@
 -- the JavaScript stack.
 --
 -- See the ticket about optimizing tail-recursive functions for future
--- work <https://github.com/chrisdone/fay/issues/19>
+-- work <https://github.com/faylang/fay/issues/19>
 
 {-# LANGUAGE NoImplicitPrelude #-}
 
diff --git a/fay.cabal b/fay.cabal
--- a/fay.cabal
+++ b/fay.cabal
@@ -1,5 +1,5 @@
 name:                fay
-version:             0.9.1.0
+version:             0.9.2.0
 synopsis:            A compiler for Fay, a Haskell subset that compiles to JavaScript.
 description:         Fay is a proper subset of Haskell which can be compiled (type-checked)
                      with GHC, and compiled to JavaScript. It is lazy, pure, with a Fay monad,
@@ -12,7 +12,7 @@
                      .
                      > $ cabal unpack fay
                      > $ cd fay-*
-                     > $ cabal install -fdevel
+                     > $ cabal install
                      > $ dist/build/fay-docs/fay-docs
                      .
                      .
@@ -22,22 +22,44 @@
                      .
                      /Release Notes/
                      .
-                     * Infix constructor applications and infix operator constructors.
+                     * Fix name encoding.
                      .
-                     * Warn when NoImplicitPrelude isn't specified.
+                     * Add content-type to HTML generation.
                      .
-                     * Added fay --version.
+                     * Add calculator example.
                      .
-                     * Html wrapper enhancements.
+                     * Support built-in operators as (+), (*), etc.
                      .
-                     * Initial pass-through to collect record information. This means records can now be used before they're defined.
+                     * Fix self-referential thunks (see #89).
                      .
-                     * Expose more prelude functions.
+                     * Don't import modules twice.
                      .
-                     * Fixed doctype typo in HTML wrappers.
+                     * Handle where bindings in function definitions.
                      .
-                     * Basic interactive shell
+                     * Support record updates.
                      .
+                     * Move to GHC type-checking (with --no-ghc).
+                     .
+                     * Remove invalid chars from UTF-8 tests.
+                     .
+                     * Remove --autorun, now it's the default.
+                     .
+                     * Fix nullary constructor comparison.
+                     .
+                     * Replace . with $ in module name generation.
+                     .
+                     * Reverse -fdevel flag.
+                     .
+                     * Skip type declarations in where.
+                     .
+                     * Add true/false to keywords.
+                     .
+                     * Add laziness back to infix operators.
+                     .
+                     * Switch to applicative parsing of options.
+                     .
+                     * Fix parens in conversion functions.
+                     .
                      See full history at: <https://github.com/chrisdone/fay/commits>
 homepage:            http://fay-lang.org/
 license:             BSD3
@@ -55,6 +77,7 @@
                      examples/tailrecursive.hs examples/data.hs examples/canvaswater.hs
                      examples/canvaswater.html examples/haskell.png
                      -- Test cases
+                      tests/ints.hs tests/ints
                       tests/asPatternMatch tests/caseList.hs
                       tests/Double2.hs tests/fromInteger tests/List.hs
                       tests/RecCon tests/recordPatternMatch
@@ -137,7 +160,7 @@
                      docs/home.hs
 
 Flag devel
-  Description:       Whether to build fay-tests and fay-docs
+  Description:       Don't build fay-tests and fay-docs if this flag is supplied
   Default:           False
 
 library
@@ -170,11 +193,12 @@
                      -- Requirements for the executables which
                      -- `cabal-dev ghci' needs.
                      HUnit,
-                     blaze-html,
+                     blaze-html >= 0.5,
                      blaze-markup,
                      bytestring,
                      time,
-                     options,
+                     optparse-applicative,
+                     split,
                      test-framework,
                      test-framework-hunit,
                      test-framework-th
@@ -202,19 +226,19 @@
                      directory,
                      filepath,
                      groom,
-                     options,
+                     optparse-applicative,
+                     split,
                      haskeline
 
 executable fay-tests
-  if !flag(devel)
+  if flag(devel)
     buildable:       False
   hs-source-dirs:    src
   ghc-options:       -O2 -Wall -threaded -with-rtsopts=-N
   ghc-prof-options:  -fprof-auto
   main-is:           Tests.hs
   other-modules:     Language.Fay.Compiler Test.Convert Test.Api Test.CommandLine Test.Util
-  if flag(devel)
-    build-depends:   base >= 4 && < 5,
+  build-depends:     base >= 4 && < 5,
                      mtl,
                      haskell-src-exts,
                      aeson,
@@ -238,14 +262,13 @@
                      test-framework-th
 
 executable fay-docs
-  if !flag(devel)
+  if flag(devel)
     buildable:       False
   hs-source-dirs:    src
   ghc-options:       -O2 -Wall
   main-is:           Docs.hs
   other-modules:     Text.Blaze.Extra
-  if flag(devel)
-    build-depends:   base >= 4 && < 5,
+  build-depends:     base >= 4 && < 5,
                      mtl,
                      haskell-src-exts,
                      aeson,
@@ -260,7 +283,7 @@
                      process,
                      filepath,
                      directory,
-                     blaze-html,
+                     blaze-html >= 0.5,
                      blaze-markup,
                      bytestring,
                      time,
diff --git a/js/runtime.js b/js/runtime.js
--- a/js/runtime.js
+++ b/js/runtime.js
@@ -29,20 +29,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -161,6 +155,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -210,6 +209,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -271,30 +278,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -323,66 +342,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
diff --git a/src/Docs.hs b/src/Docs.hs
--- a/src/Docs.hs
+++ b/src/Docs.hs
@@ -8,17 +8,15 @@
 
 import           Language.Fay                (compileForDocs, compileViaStr)
 import           Language.Fay.Compiler       (compileFromTo)
-import           Language.Fay.Types          (CompileConfig (..))
+import           Language.Fay.Types          (CompileConfig(..))
 
-import           Control.Exception
+
 import           Control.Monad
 import qualified Data.ByteString.Lazy        as L
 import           Data.Char
 import           Data.Default
-
 import           Data.Time
 import           Prelude                     hiding (div, head)
-
 import           System.FilePath
 import           Text.Blaze.Extra
 import           Text.Blaze.Html5            as H hiding (contents, map, style)
@@ -45,10 +43,13 @@
   where compile file = do
           contents <- readFile file
           putStrLn $ "Generating " ++ file ++ " ..."
-          result <- compileViaStr def { configFlattenApps = True, configTCO = True } compileForDocs contents
+          result <- compileViaStr def { configFlattenApps = True
+                                      , configTCO = True
+                                      , configTypecheck = False }
+                                  compileForDocs contents
           case result of
             Right (javascript,_) -> return javascript
-            Left err -> throw err
+            Left err -> error (show err)
         titlize = takeWhile (/='.') . upperize . takeFileName
           where upperize (x:xs) = toUpper x : xs
                 upperize xs = xs
@@ -58,7 +59,7 @@
 
 generateJs = do
   putStrLn $ "Compiling " ++ inp ++ " to " ++ out ++ " ..."
-  compileFromTo def { configAutorun = True, configFlattenApps = True } inp out
+  compileFromTo def { configFlattenApps = True, configTypecheck = False } inp out
 
   where docs = ("docs" </>)
         inp = docs "home.hs"
@@ -155,14 +156,8 @@
     li $ "Has fundamental data types (Double, String, etc.) based upon what JS can support"
     li $ "Outputs minifier-aware code for small compressed size"
     li $ "Has a trivial foreign function interface to JavaScript"
-  p $ do "Because Fay is intended to be small and simple, it relies on GHC, the Haskell compiler, "
-         "for static checking. So the workflow when working with Fay is: "
-  pre $ do
-    "$ ghc hello.hs\n"
-    "$ fay hello.hs"
-  p $ do "The "; code "ghc"; " call will compile the Fay (really, Haskell) code and run the type system, "
-         "and the call to "; code "fay"
-         " will actually generate JavaScript code under "; code "hello.js"; "."
+    li $ "Typechecks using GHC"
+
   p $ a ! href "#examples" $ "Go to examples »"
 
 thejsproblem = do
@@ -233,13 +228,13 @@
   pre $ code "$ cabal install"
   h3 "Running"
   p "If developing, you can run the tests (you will need nodejs installed):"
-  pre $ code "$ cabal install -fdevel"
+  pre $ code "$ cabal install"
   pre $ code "$ fay-tests"
   p "To compile a Fay program, run:"
-  pre $ code "$ fay --autorun foo.hs"
-  p $ do "The "; code "--autorun"; " flag will make sure that the "; code "main"; " function is called."
+  pre $ code "$ fay foo.hs"
+  p $ do "The "; code "--library"; " flag will prevent the "; code "main"; " function from being called."
   p "You can also install this via cabal-dev, but be sure to run the commands from the cabal-dev bin dir: "
-  pre $ code "$ cabal-dev install\n$ cabal-dev/bin/fay --autorun foo.hs"
+  pre $ code "$ cabal-dev install\n$ cabal-dev/bin/fay --no-ghc foo.hs"
   h3 "Generate this Documentation"
   p "This web page is generated by the following call in the project directory:"
   pre $ code "$ fay-docs"
diff --git a/src/Language/Fay.hs b/src/Language/Fay.hs
--- a/src/Language/Fay.hs
+++ b/src/Language/Fay.hs
@@ -3,7 +3,6 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE OverloadedStrings     #-}
 {-# LANGUAGE TupleSections         #-}
-{-# LANGUAGE TypeSynonymInstances  #-}
 {-# LANGUAGE ViewPatterns          #-}
 {-# OPTIONS -Wall -fno-warn-name-shadowing -fno-warn-orphans #-}
 
@@ -24,8 +23,9 @@
   ,prettyPrintString)
   where
 
-import           Language.Fay.Print          (jsEncodeName)
+import           Language.Fay.Print          (jsEncodeName, printJSString)
 import           Language.Fay.Types
+import           System.Process.Extra
 
 import           Control.Applicative
 import           Control.Monad.Error
@@ -36,7 +36,9 @@
 import           Data.List
 import           Data.Maybe
 import           Data.String
+import qualified Language.ECMAScript3.Parser as JS
 import           Language.Haskell.Exts
+
 import           Safe
 import           System.Directory            (doesFileExist, findExecutable)
 import           System.Exit
@@ -44,8 +46,6 @@
 import           System.IO
 import           System.Process
 
-import qualified Language.ECMAScript3.Parser as JS
-
 --------------------------------------------------------------------------------
 -- Top level entry points
 
@@ -66,7 +66,7 @@
 compileViaStr config with from =
   runCompile (defaultCompileState config)
              (parseResult (throwError . uncurry ParseError)
-                          (fmap printJS . with)
+                          (fmap printJSString . with)
                           (parseFay from))
 
 -- | Compile a Haskell source string to a JavaScript source string.
@@ -110,7 +110,7 @@
 
 -- | Compile a String of Fay and print it as beautified JavaScript.
 printTestCompile :: String -> IO ()
-printTestCompile = printCompile def compileToplevelModule
+printTestCompile = printCompile def { configWarn = False } compileModule
 
 -- | Compile the given Fay code for the documentation. This is
 -- specialised because the documentation isn't really “real”
@@ -122,8 +122,13 @@
 
 -- | Compile the top-level Fay module.
 compileToplevelModule :: Module -> Compile [JsStmt]
-compileToplevelModule mod = do
+compileToplevelModule mod@(Module _ (ModuleName modulename) _ _ _ _ _)  = do
+  cfg <- gets stateConfig
+  when (configTypecheck cfg) $
+    typecheck (configDirectoryIncludes cfg) [] (configWall cfg) $
+      fromMaybe modulename $ configFilePath cfg
   initialPass mod
+  modify $ \s -> s { stateImported = stateImported (defaultCompileState def) }
   stmts <- compileModule mod
   fay2js <- gets (fayToJsDispatcher . stateFayToJs)
   js2fay <- gets (jsToFayDispatcher . stateJsToFay)
@@ -140,21 +145,22 @@
 initialPass mod = throwError (UnsupportedModuleSyntax mod)
 
 initialPass_import :: ImportDecl -> Compile ()
-initialPass_import (ImportDecl _ (ModuleName name) _ _ _ _ _)
-  | elem name ["Language.Fay.Prelude","Language.Fay.FFI","Language.Fay.Types"] || name == "Prelude" = return ()
 initialPass_import (ImportDecl _ (ModuleName name) False _ Nothing Nothing Nothing) = do
-  dirs <- configDirectoryIncludes <$> gets stateConfig
-  contents <- io (findImport dirs name)
-  cs <- gets id
-  result <- liftIO $ initialPass_records cs initialPass contents
-  case result of
-    Right ((),state) -> do
-      -- Merges the state gotten from passing through an imported
-      -- module with the current state. We can assume no duplicate
-      -- records exist since GHC would pick that up.
-      modify $ \s -> s { stateRecords = stateRecords state ++ stateRecords s }
-    Left err -> throwError err
-
+  void $ unlessImported name $ do
+    dirs <- configDirectoryIncludes <$> gets stateConfig
+    contents <- io (findImport dirs name)
+    cs <- gets id
+    result <- liftIO $ initialPass_records cs initialPass contents
+    case result of
+      Right ((),state) -> do
+        -- Merges the state gotten from passing through an imported
+        -- module with the current state. We can assume no duplicate
+        -- records exist since GHC would pick that up.
+        modify $ \s -> s { stateRecords = stateRecords state
+                         , stateImported = stateImported state
+                         }
+      Left err -> throwError err
+    return []
 
 initialPass_import i =
   error $ "Initial pass: Import syntax not supported. " ++
@@ -182,13 +188,13 @@
 -- | Collect record definitions and store record name and field names.
 -- A ConDecl will have fields named slot1..slotN
 initialPass_dataDecl :: Bool -> Decl -> [QualConDecl] -> Compile ()
-initialPass_dataDecl _ decl constructors =
+initialPass_dataDecl _ _decl constructors =
   forM_ constructors $ \(QualConDecl _ _ _ condecl) ->
     case condecl of
       ConDecl (UnQual -> name) types  -> do
         let fields =  map (Ident . ("slot"++) . show . fst) . zip [1 :: Integer ..] $ types
         addRecordState name fields
-      InfixConDecl t1 (UnQual -> name) t2 ->
+      InfixConDecl _t1 (UnQual -> name) _t2 ->
         addRecordState name ["slot1", "slot2"]
       RecDecl (UnQual -> name) fields' -> do
         let fields = concatMap fst fields'
@@ -198,7 +204,18 @@
     addRecordState :: QName -> [Name] -> Compile ()
     addRecordState name fields = modify $ \s -> s { stateRecords = (Ident (qname name), fields) : stateRecords s }
 
+--------------------------------------------------------------------------------
+-- Typechecking
 
+typecheck :: [FilePath] -> [String] -> Bool -> String -> Compile ()
+typecheck includeDirs ghcFlags wall fp = do
+  res <- liftIO $ readAllFromProcess' "ghc" (
+    ["-fno-code", "-package fay", fp] ++ map ("-i" ++) includeDirs ++ ghcFlags ++ wallF) ""
+  either error (warn . fst) res
+  where
+    wallF | wall = ["-Wall"]
+          | otherwise = []
+
 --------------------------------------------------------------------------------
 -- Compilers
 
@@ -216,10 +233,16 @@
   return (imported ++ current)
 compileModule mod = throwError (UnsupportedModuleSyntax mod)
 
+warn :: String -> Compile ()
+warn "" = return ()
+warn w = do
+  shouldWarn <- configWarn <$> gets stateConfig
+  when shouldWarn . liftIO . hPutStrLn stderr $ "Warning: " ++ w
+
 checkModulePragmas :: [ModulePragma] -> Compile ()
 checkModulePragmas pragmas =
   when (not $ any noImplicitPrelude pragmas) $
-    liftIO $ hPutStrLn stderr "Warning: NoImplicitPrelude not specified"
+    warn "NoImplicitPrelude not specified"
   where
     noImplicitPrelude :: ModulePragma -> Bool
     noImplicitPrelude (LanguagePragma _ names) = any (== (Ident "NoImplicitPrelude")) names
@@ -241,25 +264,35 @@
 
 -- | Compile the given import.
 compileImport :: ImportDecl -> Compile [JsStmt]
-compileImport (ImportDecl _ (ModuleName name) _ _ _ _ _)
-  | elem name ["Language.Fay.Prelude","Language.Fay.FFI","Language.Fay.Types"] || name == "Prelude" = return []
 compileImport (ImportDecl _ (ModuleName name) False _ Nothing Nothing Nothing) = do
-  dirs <- configDirectoryIncludes <$> gets stateConfig
-  contents <- io (findImport dirs name)
-  state <- gets id
-  result <- liftIO $ compileToAst state compileModule contents
-  case result of
-    Right (stmts,state) -> do
-      modify $ \s -> s { stateFayToJs = stateFayToJs state ++ stateFayToJs s
-                       , stateJsToFay = stateJsToFay state ++ stateJsToFay s
-                       }
-      return stmts
-    Left err -> throwError err
+  unlessImported name $ do
+    dirs <- configDirectoryIncludes <$> gets stateConfig
+    contents <- io (findImport dirs name)
+    state <- gets id
+    result <- liftIO $ compileToAst state compileModule contents
+    case result of
+      Right (stmts,state) -> do
+        modify $ \s -> s { stateFayToJs = stateFayToJs state
+                         , stateJsToFay = stateJsToFay state
+                         , stateImported = stateImported state
+                         }
+        return stmts
+      Left err -> throwError err
 compileImport i =
   error $ "compileImport: Import syntax not supported. " ++
         "The compiler writer was too lazy to support that.\n" ++
         "It was: " ++ show i
 
+-- | Don't re-import the same modules.
+unlessImported :: String -> Compile [JsStmt] -> Compile [JsStmt]
+unlessImported name importIt = do
+  imported <- gets stateImported
+  if elem name imported
+     then return []
+     else do
+       modify $ \s -> s { stateImported = name : imported }
+       importIt
+
 -- | Compile Haskell declaration.
 compileDecls :: Bool -> [Decl] -> Compile [JsStmt]
 compileDecls toplevel decls =
@@ -295,29 +328,30 @@
 compilePatBind :: Bool -> Maybe Type -> Decl -> Compile [JsStmt]
 compilePatBind toplevel sig pat =
   case pat of
-    PatBind _ (PVar ident) Nothing (UnGuardedRhs rhs) (BDecls []) ->
+    PatBind srcloc (PVar ident) Nothing (UnGuardedRhs rhs) (BDecls []) ->
       case ffiExp rhs of
         Just formatstr -> case sig of
-          Just sig -> compileFFI ident formatstr sig
+          Just sig -> compileFFI srcloc ident formatstr sig
           Nothing  -> throwError (FfiNeedsTypeSig pat)
-        _ -> compileNormalPatBind toplevel ident rhs
-    PatBind _ (PVar ident) Nothing (UnGuardedRhs rhs) bdecls ->
-      compileNormalPatBind toplevel ident (Let bdecls rhs)
+        _ -> compileUnguardedRhs srcloc toplevel ident rhs
+    PatBind srcloc (PVar ident) Nothing (UnGuardedRhs rhs) bdecls ->
+      compileUnguardedRhs srcloc toplevel ident (Let bdecls rhs)
     _ -> throwError (UnsupportedDeclaration pat)
 
   where ffiExp (App (Var (UnQual (Ident "ffi"))) (Lit (String formatstr))) = Just formatstr
         ffiExp _ = Nothing
 
 -- | Compile an FFI call.
-compileFFI :: Name   -- ^ Name of the to-be binding.
+compileFFI :: SrcLoc -- ^ Location of the original FFI decl.
+           -> Name   -- ^ Name of the to-be binding.
            -> String -- ^ The format string.
            -> Type   -- ^ Type signature.
            -> Compile [JsStmt]
-compileFFI name formatstr sig = do
+compileFFI srcloc name formatstr sig = do
   inner <- formatFFI formatstr (zip params funcFundamentalTypes)
-  case JS.parse JS.parseExpression (prettyPrint name) (printJS (wrapReturn inner)) of
+  case JS.parse JS.parseExpression (prettyPrint name) (printJSString (wrapReturn inner)) of
     Left err -> throwError (FfiFormatInvalidJavaScript inner (show err))
-    Right{}  -> fmap return (bindToplevel True (UnQual name) (body inner))
+    Right{}  -> fmap return (bindToplevel srcloc True (UnQual name) (body inner))
 
   where body inner = foldr wrapParam (wrapReturn inner) params
         wrapParam name inner = JsFun [name] [] (Just inner)
@@ -359,7 +393,7 @@
     case listToMaybe (drop (n-1) args) of
       Nothing -> throwError (FfiFormatNoSuchArg n)
       Just (arg,typ) -> do
-        return (printJS (fayToJs (typeRep typ) (JsName arg)))
+        return (printJSString (fayToJs (typeRep typ) (JsName arg)))
 
 -- | Translate: Fay → JS.
 fayToJs :: JsExp -> JsExp -> JsExp
@@ -381,6 +415,7 @@
       where nom = case typ of
               StringType -> "string"
               DoubleType -> "double"
+              IntType    -> "int"
               BoolType   -> "bool"
               DateType   -> "date"
               _          -> "unknown"
@@ -400,6 +435,7 @@
   case t of
     TyCon "String"        -> StringType
     TyCon "Double"        -> DoubleType
+    TyCon "Int"           -> IntType
     TyCon "Bool"          -> BoolType
     TyApp (TyCon "Fay") a -> JsType (argType a)
     TyFun x xs            -> FunctionType (argType x : functionTypeArgs xs)
@@ -434,10 +470,10 @@
     _              -> 0
 
 -- | Compile a normal simple pattern binding.
-compileNormalPatBind :: Bool -> Name -> Exp -> Compile [JsStmt]
-compileNormalPatBind toplevel ident rhs = do
+compileUnguardedRhs :: SrcLoc -> Bool -> Name -> Exp -> Compile [JsStmt]
+compileUnguardedRhs srcloc toplevel ident rhs = do
   body <- compileExp rhs
-  bind <- bindToplevel toplevel (UnQual ident) (thunk body)
+  bind <- bindToplevel srcloc toplevel (UnQual ident) (thunk body)
   return [bind]
 
 convertGADT :: GadtDecl -> QualConDecl
@@ -454,9 +490,9 @@
 
 -- | Compile a data declaration.
 compileDataDecl :: Bool -> Decl -> [QualConDecl] -> Compile [JsStmt]
-compileDataDecl toplevel decl constructors =
+compileDataDecl toplevel _decl constructors =
   fmap concat $
-    forM constructors $ \(QualConDecl _ _ _ condecl) ->
+    forM constructors $ \(QualConDecl srcloc _ _ condecl) ->
       case condecl of
         ConDecl (UnQual -> name) types  -> do
           let fields =  map (Ident . ("slot"++) . show . fst) . zip [1 :: Integer ..] $ types
@@ -478,7 +514,7 @@
           let fields = concatMap fst fields'
           cons <- makeConstructor name fields
           func <- makeFunc name fields
-          funs <- makeAccessors fields
+          funs <- makeAccessors srcloc fields
           emitFayToJs name fields'
           emitJsToFay name fields'
           return (cons : func : funs)
@@ -504,9 +540,10 @@
               fieldParams
 
     -- Creates getters for a RecDecl's values
-    makeAccessors fields =
+    makeAccessors srcloc fields =
       forM fields $ \(Ident name) ->
-           bindToplevel toplevel
+           bindToplevel srcloc
+                        toplevel
                         (fromString name)
                         (JsFun ["x"]
                                []
@@ -614,17 +651,11 @@
 -- | Compile a function which pattern matches (causing a case analysis).
 compileFunCase :: Bool -> [Match] -> Compile [JsStmt]
 compileFunCase _toplevel [] = return []
-compileFunCase toplevel matches@(Match _ name argslen _ _ _:_) = do
-  tco <- config configTCO
-  pats <- fmap optimizePatConditions $ forM matches $ \match@(Match _ _ pats _ rhs wheres) -> do
-    unless (noBinds wheres) $ do _ <- throwError (UnsupportedWhereInMatch match) -- TODO: Support `where'.
-                                 return ()
-    exp <- compileRhs rhs
-    foldM (\inner (arg,pat) ->
-            compilePat (JsName arg) pat inner)
-          [JsEarlyReturn exp]
-          (zip args pats)
-  bind <- bindToplevel toplevel
+compileFunCase toplevel matches@(Match srcloc name argslen _ _ _:_) = do
+  tco  <- config configTCO
+  pats <- fmap optimizePatConditions (mapM compileCase matches)
+  bind <- bindToplevel srcloc
+                       toplevel
                        (UnQual name)
                        (foldr (\arg inner -> JsFun [arg] [] (Just inner))
                               (stmtsThunk (let stmts = (concat pats ++ basecase)
@@ -634,14 +665,32 @@
                               args)
   return [bind]
   where args = zipWith const uniqueNames argslen
+
+        isWildCardMatch (Match _ _ pats _ _ _) = all isWildCardPat pats
+
+        compileCase :: Match -> Compile [JsStmt]
+        compileCase match@(Match _ _ pats _ rhs _) = do
+          whereDecls' <- whereDecls match
+          exp  <- compileRhs rhs
+          body <- if null whereDecls'
+                    then return exp
+                    else do
+                        binds <- mapM compileLetDecl whereDecls'
+                        return (JsApp (JsFun [] (concat binds) (Just exp)) [])
+          foldM (\inner (arg,pat) ->
+                  compilePat (JsName arg) pat inner)
+                [JsEarlyReturn body]
+                (zip args pats)
+
+        whereDecls :: Match -> Compile [Decl]
+        whereDecls (Match _ _ _ _ _ (BDecls decls)) = return decls
+        whereDecls match = throwError (UnsupportedWhereInMatch match)
+
+        basecase :: [JsStmt]
         basecase = if any isWildCardMatch matches
                       then []
                       else [throw ("unhandled case in " ++ show name)
                                   (JsList (map JsName args))]
-        isWildCardMatch (Match _ _ pats _ _ _) = all isWildCardPat pats
-        noBinds (BDecls []) = True
-        noBinds (IPBinds []) = True
-        noBinds _ = False
 
 -- | Optimize functions in tail-call form.
 optimizeTailCalls :: [JsParam] -- ^ The function parameters.
@@ -725,8 +774,8 @@
     Tuple xs                      -> compileList xs
     If cond conseq alt            -> compileIf cond conseq alt
     Case exp alts                 -> compileCase exp alts
-    Con (UnQual (Ident "True"))   -> return (JsName "true")
-    Con (UnQual (Ident "False"))  -> return (JsName "false")
+    Con (UnQual (Ident "True"))   -> return (JsLit (JsBool True))
+    Con (UnQual (Ident "False"))  -> return (JsLit (JsBool False))
     Con exp                       -> return (JsName exp)
     Do stmts                      -> compileDoBlock stmts
     Lambda _ pats exp             -> compileLambda pats exp
@@ -737,6 +786,7 @@
                                         return (JsApp (JsApp (JsName "enumFromTo") [f])
                                                       [t])
     RecConstr name fieldUpdates -> compileRecConstr name fieldUpdates
+    RecUpdate rec  fieldUpdates -> updateRec rec fieldUpdates
     ExpTypeSig _ e _ -> compileExp e
 
     exp -> throwError (UnsupportedExpression exp)
@@ -781,7 +831,8 @@
       | symbol `elem` words "* + - / < > || &&" -> do
           e1 <- compileExp exp1
           e2 <- compileExp exp2
-          return (JsInfix symbol (forceInlinable config e1) (forceInlinable config e2))
+          fn <- resolveOpToVar >=> compileExp $ op
+          return $ JsApp (JsApp (force fn) [(forceInlinable config e1)]) [(forceInlinable config e2)]
     _ -> do
       var <- resolveOpToVar op
       compileExp (App (App var exp1) exp2)
@@ -860,6 +911,7 @@
                                                     (QVarOp (UnQual (Symbol ">>")))
                                                     inner))
             LetStmt (BDecls binds) -> return (Just (Let (BDecls binds) inner))
+            LetStmt _ -> throwError LetUnsupported
             RecStmt{} -> throwError RecursiveDoUnsupported
 
         compileGenerator srcloc pat inner exp = do
@@ -915,6 +967,17 @@
            \(FieldUpdate (UnQual field) value) -> JsSetProp o (UnQual field) <$> compileExp value
     return $ JsApp (JsFun [] (record:setFields) (Just (JsName o))) []
 
+updateRec :: Exp -> [FieldUpdate] -> Compile JsExp
+updateRec rec fieldUpdates = do
+    record <- force <$> compileExp rec
+    let copyName = UnQual (Ident "$_record_to_update")
+        copy = JsVar copyName
+                     (JsRawExp ("Object.create(" ++ printJSString record ++ ")"))
+    setFields <- forM fieldUpdates $
+        \(FieldUpdate (UnQual field) value) ->
+            JsSetProp copyName (UnQual field) <$> compileExp value
+    return $ JsApp (JsFun [] (copy:setFields) (Just (JsName copyName))) []
+
 -- | Equality test for two expressions, with some optimizations.
 equalExps :: JsExp -> JsExp -> JsExp
 equalExps a b
@@ -1004,6 +1067,7 @@
   case decl of
     decl@PatBind{} -> compileDecls False [decl]
     decl@FunBind{} -> compileDecls False [decl]
+    TypeSig{}      -> return []
     _              -> throwError (UnsupportedLetBinding decl)
 
 -- | Compile Haskell literal.
@@ -1137,11 +1201,11 @@
 hjIdent = Qual (ModuleName "Fay") . Ident
 
 -- | Make a top-level binding.
-bindToplevel :: Bool -> QName -> JsExp -> Compile JsStmt
-bindToplevel toplevel name exp = do
+bindToplevel :: SrcLoc -> Bool -> QName -> JsExp -> Compile JsStmt
+bindToplevel srcloc toplevel name exp = do
   exportAll <- gets stateExportAll
   when (toplevel && exportAll) $ emitExport (EVar name)
-  return (JsVar name exp)
+  return (JsMappedVar srcloc name exp)
 
 -- | Emit exported names.
 emitExport :: ExportSpec -> Compile ()
diff --git a/src/Language/Fay/Compiler.hs b/src/Language/Fay/Compiler.hs
--- a/src/Language/Fay/Compiler.hs
+++ b/src/Language/Fay/Compiler.hs
@@ -6,14 +6,15 @@
 
 module Language.Fay.Compiler where
 
-import Language.Fay                 (compileToplevelModule,compileViaStr,prettyPrintString)
-import Language.Fay.Types
+import           Language.Fay                 (compileToplevelModule, compileViaStr, prettyPrintString)
+import           Language.Fay.Types
+import           Language.Fay.Print
 
-import Control.Monad
-import Language.Haskell.Exts.Syntax
-import Paths_fay
-import System.FilePath
-import Text.Groom
+import           Control.Monad
+import           Language.Haskell.Exts.Syntax
+import           Paths_fay
+import           System.FilePath
+import           Text.Groom
 
 -- | A result of something the compiler writes.
 class Writer a where
@@ -34,8 +35,16 @@
 -- | Compile file program to…
 compileFromTo :: CompileConfig -> FilePath -> FilePath -> IO ()
 compileFromTo config filein fileout = do
-  result <- compileFile config filein
+  result <- compileFromToReturningStatus config filein fileout
   case result of
+    Right () -> return ()
+    Left err -> error . groom $ err
+
+-- | Compile file program to…
+compileFromToReturningStatus :: CompileConfig -> FilePath -> FilePath -> IO (Either CompileError ())
+compileFromToReturningStatus config filein fileout = do
+  result <- compileFile config { configFilePath = Just filein } filein
+  case result of
     Right out -> do
       writeFile fileout out
       when (configHtmlWrapper config) $
@@ -43,6 +52,7 @@
             "<!doctype html>"
           , "<html>"
           , "  <head>"
+          ,"    <meta http-equiv='Content-Type' content='text/html; charset=utf-8'>"
           , unlines . map ("    "++) . map makeScriptTagSrc $ configHtmlJSLibs config
           , "    " ++ makeScriptTagSrc relativeJsPath
           , "    </script>"
@@ -50,11 +60,12 @@
           , "  <body>"
           , "  </body>"
           , "</html>"]
+      return (Right ())
             where relativeJsPath = makeRelative (dropFileName fileout) fileout
                   makeScriptTagSrc :: FilePath -> String
                   makeScriptTagSrc = \s ->
                     "<script type=\"text/javascript\" src=\"" ++ s ++ "\"></script>"
-    Left err -> error . groom $ err
+    Left err -> return (Left err)
 
 -- | Compile readable/writable values.
 compileReadWrite :: (Reader r, Writer w) => CompileConfig -> r -> w -> IO ()
@@ -96,7 +107,7 @@
             then prettyPrintString out
             else return out
 
-  where generate jscode exports (ModuleName modulename) = unlines
+  where generate jscode exports (ModuleName (clean -> modulename)) = unlines
           ["/** @constructor"
           ,"*/"
           ,"var " ++ modulename ++ " = function(){"
@@ -113,20 +124,23 @@
                            ]
               else ""
           ,"};"
-          ,if configAutorun config
+          ,if not (configLibrary config)
               then unlines [";"
                            ,"var main = new " ++ modulename ++ "();"
                            ,"main._(main.main);"
                            ]
               else ""
           ]
+        clean ('.':cs) = '$' : clean cs
+        clean (c:cs)   = c : clean cs
+        clean [] = []
 
 -- | Print an this.x = x; export out.
 printExport :: Name -> String
 printExport name =
-  printJS (JsSetProp ":this"
-                     (UnQual name)
-                     (JsName (UnQual name)))
+  printJSString (JsSetProp ":this"
+                           (UnQual name)
+                           (JsName (UnQual name)))
 
 -- | Convert a Haskell filename to a JS filename.
 toJsName :: String -> String
diff --git a/src/Language/Fay/Convert.hs b/src/Language/Fay/Convert.hs
--- a/src/Language/Fay/Convert.hs
+++ b/src/Language/Fay/Convert.hs
@@ -15,6 +15,7 @@
 import           Control.Monad
 import           Data.Aeson
 import           Data.Attoparsec.Number
+
 import           Data.Char
 import           Data.Data
 import           Data.Function
@@ -97,7 +98,7 @@
     case v of
       Object obj -> do
         name <- Map.lookup "instance" obj >>= getText
-        readRecord name obj <|> readData name obj
+        fmap parens (readRecord name obj <|> readData name obj)
       Array array -> do
         elems <- mapM convert (Vector.toList array)
         return $ concat ["[",intercalate "," elems,"]"]
@@ -133,7 +134,7 @@
     fields <- forM (constrFields cons) $ \field -> do
       (key,v) <- getField field
       cvalue <- convert v
-      return (intercalate " " [key,"=",cvalue])
+      return (unwords [key,"=",cvalue])
     guard $ not $ null fields
     return (Text.unpack name ++
             if null fields
@@ -143,3 +144,4 @@
   typ = dataTypeOf $ resType result
   resType :: Maybe a -> a
   resType = undefined
+  parens x = "(" ++ x ++ ")"
diff --git a/src/Language/Fay/FFI.hs b/src/Language/Fay/FFI.hs
--- a/src/Language/Fay/FFI.hs
+++ b/src/Language/Fay/FFI.hs
@@ -5,7 +5,7 @@
 module Language.Fay.FFI where
 
 import           Language.Fay.Types (Fay)
-import           Prelude            (Bool, Char, Double, String, error)
+import           Prelude            (Bool, Char, Double, String, Int, error)
 
 -- | In case you want to distinguish values with a JsPtr.
 data JsPtr a
@@ -18,6 +18,9 @@
 
 -- | All numbers in JS are double.
 instance Foreign Double
+
+-- | Some numbers in JS are int.
+instance Foreign Int
 
 -- | Characters are OK.
 instance Foreign Char
diff --git a/src/Language/Fay/Prelude.hs b/src/Language/Fay/Prelude.hs
--- a/src/Language/Fay/Prelude.hs
+++ b/src/Language/Fay/Prelude.hs
@@ -6,6 +6,7 @@
   ,String
   ,Integer
   ,Double
+  ,Int
   ,Bool(..)
   ,Show(show)
   ,Read
@@ -34,15 +35,15 @@
   ,module Language.Fay.Stdlib)
   where
 
-import Language.Fay.Stdlib
-import Language.Fay.Types  (Fay)
+import           Language.Fay.Stdlib
+import           Language.Fay.Types  (Fay)
 
-import Data.Data
+import           Data.Data
 
-import GHC.Real            (Ratio)
-import Prelude             (Bool(..), Eq(..), Char, Double, Integer, Maybe(..), Ord, Read(..),
- Show(..), String, error, read, (&&), (*), (+), (-), (/), (/=), (<),
- (<=), (==), (>), (>=), (||),Monad)
+import           GHC.Real            (Ratio)
+import           Prelude             (Bool(..), Char, Double, Eq(..), Int, Integer, Maybe(..), Monad,
+ Ord, Read(..), Show(..), String, error, read, (&&), (*), (+), (-),
+ (/), (/=), (<), (<=), (==), (>), (>=), (||))
 
 -- | Just to satisfy GHC.
 fromInteger :: Integer -> Double
diff --git a/src/Language/Fay/Print.hs b/src/Language/Fay/Print.hs
--- a/src/Language/Fay/Print.hs
+++ b/src/Language/Fay/Print.hs
@@ -1,4 +1,5 @@
 {-# OPTIONS -fno-warn-orphans #-}
+{-# OPTIONS -fno-warn-unused-do-bind #-}
 {-# LANGUAGE FlexibleInstances    #-}
 {-# LANGUAGE OverloadedStrings    #-}
 {-# LANGUAGE RecordWildCards      #-}
@@ -15,158 +16,146 @@
 
 module Language.Fay.Print where
 
-import Language.Fay.Types
+import           Language.Fay.Types
 
-import Data.Aeson.Encode
+import           Control.Monad
+import           Control.Monad.State
+import           Data.Aeson.Encode
 import qualified Data.ByteString.Lazy.UTF8 as UTF8
-import Data.List
-import Data.String
-import Language.Haskell.Exts.Syntax
-import Prelude                      hiding (exp)
+import           Data.Default
+import           Data.List
+import           Data.String
+import           Language.Haskell.Exts.Syntax
+import           Prelude                      hiding (exp)
 
 --------------------------------------------------------------------------------
 -- Printing
 
+printJSString :: Printable a => a -> String
+printJSString x = concat $ reverse $ psOutput $ execState (runPrinter (printJS x)) def
+
 -- | Print literals. These need some special encoding for
 -- JS-format literals. Could use the Text.JSON library.
 instance Printable JsLit where
-  printJS (JsChar char)    = UTF8.toString (encode (UTF8.fromString [char]))
-  printJS (JsStr str)      = UTF8.toString (encode (UTF8.fromString str))
-  printJS (JsInt int)      = show int
-  printJS (JsFloating rat) = show rat
-  printJS (JsBool b)       = if b then "true" else "false"
+  printJS typ = write $
+    let u8 = UTF8.toString . encode . UTF8.fromString
+    in case typ of
+      (JsChar char)    -> u8 [char]
+      (JsStr str)      -> u8 str
+      (JsInt int)      -> show int
+      (JsFloating rat) -> show rat
+      (JsBool b)       -> if b then "true" else "false"
 
 -- | Print (and properly encode to JS) a qualified name.
 instance Printable QName where
   printJS qname =
     case qname of
-      Qual moduleName name -> printJS moduleName ++ "$$" ++ printJS name
+      Qual moduleName name -> do printJS moduleName
+                                 "$$"
+                                 printJS name
       UnQual name -> printJS name
       Special con -> printJS con
 
 -- | Print special constructors (tuples, list, etc.)
 instance Printable SpecialCon where
   printJS specialCon =
-    case specialCon of
-      UnitCon          -> printJS (Qual "Fay" (Ident "unit"))
-      ListCon          -> printJS (Qual "Fay" (Ident "emptyList"))
-      FunCon           -> printJS (Qual "Fay" (Ident "funCon"))
-      TupleCon boxed n -> printJS (Qual "Fay"
-                                         (Ident (if boxed == Boxed
-                                                    then "boxed"
-                                                    else "unboxed" ++
-                                                    "TupleOf" ++ show n)))
-      Cons             -> printJS (Qual "Fay" (Ident "cons"))
-      UnboxedSingleCon -> printJS (Qual "Fay" (Ident "unboxedSingleCon"))
+    printJS $ (Qual "Fay" . Ident) $
+      case specialCon of
+        UnitCon          -> "unit"
+        ListCon          -> "emptyList"
+        FunCon           -> "funCon"
+        TupleCon boxed n -> (if boxed == Boxed
+                                then "boxed"
+                                else "unboxed" ++
+                                "TupleOf" ++ show n)
+        Cons             -> "cons"
+        UnboxedSingleCon -> "unboxedSingleCon"
 
 -- | Print module name.
 instance Printable ModuleName where
   printJS (ModuleName moduleName) =
-    jsEncodeName moduleName
+    write $ jsEncodeName moduleName
 
 -- | Print (and properly encode) a name.
 instance Printable Name where
-  printJS name =
+  printJS name = write $
     case name of
       Ident ident -> jsEncodeName ident
       Symbol sym -> jsEncodeName sym
 
 -- | Print a list of statements.
 instance Printable [JsStmt] where
-  printJS = concatMap printJS
+  printJS = mapM_ printJS
 
 -- | Print a single statement.
 instance Printable JsStmt where
-  printJS (JsBlock stmts) =
-    "{ " ++ unwords (map printJS stmts) ++ "}"
-  printJS (JsVar name expr) =
-    unwords ["var",printJS name,"=",printJS expr ++ ";"]
-  printJS (JsUpdate name expr) =
-    unwords [printJS name,"=",printJS expr ++ ";"]
-  printJS (JsSetProp name prop expr) =
-    concat [printJS name,".",printJS prop," = ",printJS expr ++ ";"]
-  printJS (JsIf exp thens elses) =
-    concat
-      [("if (" ++ printJS exp ++ ") {")
-      ,printJS thens] ++
-      if length elses > 0
-         then concat ["} else {"
-                     ,printJS elses ++ "}"]
-         else "}"
-  printJS (JsEarlyReturn exp) =
-    "return " ++ printJS exp ++ ";"
-  printJS (JsThrow exp) =
-    "throw " ++ printJS exp ++ ";"
-  printJS (JsWhile cond stmts) =
-    unwords ["while (" ++ printJS cond ++ ") {"
-            ,printJS stmts
-            ,"}"]
+  printJS (JsBlock stmts) = do
+    "{ "; mapM printJS stmts; "}"
+  printJS (JsVar name expr) = do "var "; printJS name; " = "; printJS expr; ";"
+  printJS (JsUpdate name expr) = do printJS name; " = "; printJS expr; ";"
+  printJS (JsSetProp name prop expr) = do
+    printJS name; "."; printJS prop; " = "; printJS expr; ";"
+  printJS (JsIf exp thens elses) = do
+    "if ("; printJS exp; ") {"
+    printJS thens
+    "}"
+    when (length elses > 0) $ do
+      " else {"
+      printJS elses
+      "}"
+  printJS (JsEarlyReturn exp) = do
+    "return "; printJS exp; ";"
+  printJS (JsThrow exp) = do
+    "throw "; printJS exp; ";"
+  printJS (JsWhile cond stmts) = do
+    "while ("; printJS cond; ") {"
+    printJS stmts
+    "}"
   printJS JsContinue = "continue;"
+  printJS (JsMappedVar _ name expr) = do "var "; printJS name; " = "; printJS expr; ";"
 
 -- | Print an expression.
 instance Printable JsExp where
-  printJS (JsRawExp name) = name
-  printJS (JsThrowExp exp) =
-    "(function(){ throw (" ++ printJS exp ++ "); })()"
-  printJS (JsFun params stmts ret) =
-    concat ["function("
-           ,intercalate "," (map (printJS) params)
-           ,"){"
-           ,printJS stmts
-           ] ++
-    case ret of
-      Just ret' ->
-        concat ["return "
-               ,printJS ret'
-               ,";"
-               ,"}"]
-      Nothing -> "}"
+  printJS (JsRawExp name) = write name
+  printJS (JsThrowExp exp) = do "(function(){ throw ("; printJS exp; "); })()"
   printJS JsNull = "null"
-  printJS (JsSequence exprs) =
-    intercalate "," (map printJS exprs)
   printJS (JsName name) = printJS name
-  printJS (JsApp op args) =
-    printJS (if isFunc op then JsParen op else op) ++
-    "(" ++
-    intercalate "," (map (printJS) args) ++
+  printJS (JsLit lit) = printJS lit
+  printJS (JsParen exp) = do "("; printJS exp; ")"
+  printJS (JsList exps) = do "["; intercalateM "," (map printJS exps); "]"
+  printJS (JsNew name args) = do "new "; printJS (JsApp (JsName name) args)
+  printJS (JsIndex i exp) = do "("; printJS exp; ")["; write (show i); "]"
+  printJS (JsEq exp1 exp2) = do printJS exp1; " === "; printJS exp2
+  printJS (JsGetProp exp prop) = do printJS exp; "."; printJS prop
+  printJS (JsLookup exp1 exp2) = do printJS exp1; "["; printJS exp2; "]"
+  printJS (JsUpdateProp name prop expr) = do
+    "("; printJS name; "."; printJS prop; " = "; printJS expr; ")"
+  printJS (JsInfix op x y) = do printJS x; " "; write op; " "; printJS y
+  printJS (JsGetPropExtern exp prop) = do
+    printJS exp; "["; printJS (JsLit (JsStr prop)); "]"
+  printJS (JsUpdatePropExtern name prop expr) = do
+    "("; printJS name; "['"; printJS prop; "'] = "; printJS expr; ")"
+  printJS (JsTernaryIf cond conseq alt) = do
+    printJS cond; " ? "; printJS conseq; " : "; printJS alt
+  printJS (JsInstanceOf exp classname) = do
+    printJS exp; " instanceof "; printJS classname
+  printJS (JsObj assoc) = do "{"; intercalateM "," (map cons assoc); "}"
+     where cons (key,value) = do "\""; write key; "\": "; printJS value
+  printJS (JsFun params stmts ret) = do
+    "function("
+    intercalateM "," (map printJS params)
+    "){"
+    printJS stmts
+    case ret of
+      Just ret' -> do "return "; printJS ret'; ";"
+      Nothing   -> return ()
+    "}"
+  printJS (JsApp op args) = do
+    printJS (if isFunc op then JsParen op else op)
+    "("
+    intercalateM "," (map (printJS) args)
     ")"
      where isFunc JsFun{..} = True; isFunc _ = False
-  printJS (JsLit lit) = printJS lit
-  printJS (JsParen exp) = "(" ++ printJS exp ++ ")"
-  printJS (JsTernaryIf cond conseq alt) =
-    concat [printJS cond ++ " ? "
-           , printJS conseq ++ " : "
-           , printJS alt]
-  printJS (JsList exps) =
-    "[" ++
-    intercalate "," (map printJS exps) ++
-    "]"
-  printJS (JsNew name args) =
-    "new " ++ printJS (JsApp (JsName name) args)
-  printJS (JsInstanceOf exp classname) =
-    printJS exp ++ " instanceof " ++ printJS classname
-  printJS (JsIndex i exp) =
-    "(" ++ printJS exp ++ ")[" ++ show i ++ "]"
-  printJS (JsEq exp1 exp2) =
-    printJS exp1 ++ " === " ++ printJS exp2
-  printJS (JsGetProp exp prop) =
-    printJS exp ++ "." ++ printJS prop
-  printJS (JsLookup exp1 exp2) =
-    printJS exp1 ++ "[" ++ printJS exp2 ++ "]"
-  printJS (JsUpdateProp name prop expr) =
-    concat ["(",printJS name,".",printJS prop," = ",printJS expr,")"]
-  printJS (JsInfix op x y) =
-    printJS x ++ " " ++ op ++ " " ++ printJS y
-  -- Externs: Careful, here be dragons! Or at least warm lizards.
-  printJS (JsGetPropExtern exp prop) =
-    printJS exp ++ "[" ++ printJS (JsLit (JsStr prop)) ++ "]"
-  printJS (JsUpdatePropExtern name prop expr) =
-    concat ["(",printJS name,"['",printJS prop,"'] = ",printJS expr,")"]
-  printJS (JsObj assoc) =
-    concat ["{"
-           ,intercalate "," (map cons assoc)
-           ,"}"]
-     where cons (key,value) = "\"" ++ key ++ "\": " ++ printJS value
 
 --------------------------------------------------------------------------------
 -- Utilities
@@ -179,9 +168,10 @@
   "extends", "finally", "for", "function", "global", "implements", "instanceof",
   "interface", "new", "null", "package", "private", "protected", "public", "return",
   "static", "super", "switch", "this", "throw", "try", "typeof", "undefined",
-  "var", "void", "while", "window", "with", "yield"]
+  "var", "void", "while", "window", "with", "yield","true","false"]
 
 -- | Encode a Haskell name to JavaScript.
+-- TODO: Fix this hack.
 jsEncodeName :: String -> String
 -- Special symbols:
 jsEncodeName ":tmp" = "$tmp"
@@ -190,10 +180,14 @@
 -- jsEncodeName ":return" = "return"
 -- Used keywords:
 jsEncodeName name
-  | "$_" `isPrefixOf` name = name
-  | name `elem` reservedWords = "$_" ++ name
+  | "$_" `isPrefixOf` name = normalize name
+  | name `elem` reservedWords = "$_" ++ normalize name
 -- Anything else.
-jsEncodeName name =
+jsEncodeName name = normalize name
+
+-- | Normalize the given name to JavaScript-valid names.
+normalize :: [Char] -> [Char]
+normalize name =
   concatMap encodeChar name
 
   where
@@ -203,6 +197,21 @@
     escapeChar c = "$" ++ charId c ++ "$"
     charId c = show (fromEnum c)
 
+-- |
+write :: String -> Printer a
+write x = do
+  modify $ \s -> s { psOutput = x : psOutput s }
+  return (error "Nothing to return for writer string.")
+
+intercalateM :: String -> [Printer a] -> Printer ()
+intercalateM _ [] = return ()
+intercalateM _ [x] = x >> return ()
+intercalateM str (x:xs) = do
+  x
+  write str
+  intercalateM str xs
+
+
 -- | Helpful for writing qualified symbols (Fay.*).
 instance IsString ModuleName where
   fromString = ModuleName
@@ -210,3 +219,7 @@
 -- | Helpful for writing variable names.
 instance IsString JsName where
   fromString = UnQual . Ident
+
+-- | For the pretty printer convenience.
+instance IsString (Printer a) where
+  fromString = write
diff --git a/src/Language/Fay/Stdlib.hs b/src/Language/Fay/Stdlib.hs
--- a/src/Language/Fay/Stdlib.hs
+++ b/src/Language/Fay/Stdlib.hs
@@ -10,6 +10,7 @@
   ,elem
   ,enumFrom
   ,enumFromTo
+  ,fromIntegral
   ,filter
   ,find
   ,flip
@@ -29,7 +30,9 @@
   ,not
   ,nub
   ,null
+  ,otherwise
   ,prependToAll
+  ,reverse
   ,snd
   ,sort
   ,sortBy
@@ -40,8 +43,9 @@
   ,min)
   where
 
-import Language.Fay.FFI
-import Prelude (Double,Bool(..),Maybe(..),Ord((>),(<)),Eq(..),Monad(..),Num(..),(||))
+import           Language.Fay.FFI
+import           Prelude          (Bool(..), Double, Eq(..), Int, Maybe(..), Monad(..), Num(..),
+ Ord((>), (<)), (||))
 
 -- START
 
@@ -191,7 +195,6 @@
 forM_ (x:xs) m = m x >> forM_ xs m
 forM_ []     _ = return ()
 
-
 mapM_ :: Monad m => (a -> m b) -> [a] -> m ()
 mapM_ m (x:xs) = m x >> mapM_ m xs
 mapM_ _ []     = return ()
@@ -199,7 +202,8 @@
 const :: a -> b -> a
 const a _ = a
 
-length (x:xs) = 1 + length xs
+length :: [a] -> Int
+length (_:xs) = 1 + length xs
 length [] = 0
 
 mod :: Double -> Double -> Double
@@ -210,3 +214,13 @@
 
 max :: Double -> Double -> Double
 max = ffi "Math.max(%1,%2)"
+
+fromIntegral :: Int -> Double
+fromIntegral = ffi "%1"
+
+otherwise :: Bool
+otherwise = True
+
+reverse :: [a] -> [a]
+reverse (x:xs) = reverse xs ++ [x]
+reverse [] = []
diff --git a/src/Language/Fay/Types.hs b/src/Language/Fay/Types.hs
--- a/src/Language/Fay/Types.hs
+++ b/src/Language/Fay/Types.hs
@@ -19,15 +19,17 @@
   ,CompileConfig(..)
   ,CompileState(..)
   ,defaultCompileState
-  ,FundamentalType(..))
+  ,FundamentalType(..)
+  ,PrintState(..)
+  ,Printer(..))
   where
 
 import           Control.Applicative
-import           Control.Exception
+
 import           Control.Monad.Error    (Error, ErrorT, MonadError)
 import           Control.Monad.Identity (Identity)
 import           Control.Monad.State
-import           Data.Data
+
 import           Data.Default
 import           Language.Haskell.Exts
 
@@ -44,12 +46,16 @@
   , configPrettyPrint       :: Bool
   , configHtmlWrapper       :: Bool
   , configHtmlJSLibs        :: [FilePath]
-  , configAutorun           :: Bool
-  } deriving (Show)
+  , configLibrary           :: Bool
+  , configWarn              :: Bool
+  , configFilePath          :: Maybe FilePath
+  , configTypecheck         :: Bool
+  , configWall              :: Bool
+  }
 
 -- | Default configuration.
 instance Default CompileConfig where
-  def = CompileConfig False False False True [] False False [] False
+  def = CompileConfig False False False True [] False False [] False True Nothing True False
 
 -- | State of the compiler.
 data CompileState = CompileState
@@ -60,7 +66,8 @@
   , stateRecords     :: [(Name,[Name])] -- records with field names
   , stateFayToJs     :: [JsStmt]
   , stateJsToFay     :: [JsStmt]
-} deriving (Show)
+  , stateImported    :: [String] -- ^ Names of imported modules so far.
+}
 
 defaultCompileState :: CompileConfig -> CompileState
 defaultCompileState config = CompileState {
@@ -71,6 +78,7 @@
   , stateRecords = [(Ident "Nothing",[]),(Ident "Just",[Ident "slot1"])]
   , stateFayToJs = []
   , stateJsToFay = []
+  , stateImported = ["Language.Fay.Prelude","Language.Fay.FFI","Language.Fay.Types","Prelude"]
   }
 
 -- | Compile monad.
@@ -93,9 +101,23 @@
 class (Parseable from,Printable to) => CompilesTo from to | from -> to where
   compileTo :: from -> Compile to
 
+data PrintState = PrintState
+  { psLine         :: Int
+  , psColumn       :: Int
+  , psMapping      :: [(SrcLoc,SrcLoc)]
+  , psIndentLevel  :: Int
+  , psOutput       :: [String]
+  }
+
+instance Default PrintState where
+  def = PrintState 0 0 [] 0 []
+
+newtype Printer a = Printer { runPrinter :: State PrintState a }
+  deriving (Monad,Functor,MonadState PrintState)
+
 -- | Print some value.
 class Printable a where
-  printJS :: a -> String
+  printJS :: a -> Printer ()
 
 -- | Error type.
 data CompileError
@@ -121,9 +143,8 @@
   | FfiFormatNoSuchArg Int
   | FfiFormatIncompleteArg
   | FfiFormatInvalidJavaScript String String
-  deriving (Show,Eq,Data,Typeable)
+  deriving (Show)
 instance Error CompileError
-instance Exception CompileError
 
 -- | The JavaScript FFI interfacing monad.
 newtype Fay a = Fay (Identity a)
@@ -135,6 +156,7 @@
 -- | Statement type.
 data JsStmt
   = JsVar JsName JsExp
+  | JsMappedVar SrcLoc JsName JsExp
   | JsIf JsExp [JsStmt] [JsStmt]
   | JsEarlyReturn JsExp
   | JsThrow JsExp
@@ -154,7 +176,6 @@
   | JsApp JsExp [JsExp]
   | JsTernaryIf JsExp JsExp JsExp
   | JsNull
-  | JsSequence [JsExp]
   | JsParen JsExp
   | JsGetProp JsExp JsName
   | JsLookup JsExp JsExp
@@ -195,7 +216,8 @@
  | DateType
  | StringType
  | DoubleType
+ | IntType
  | BoolType
  -- | Unknown.
  | UnknownType
-   deriving (Show,Eq)
+   deriving (Show)
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,7 +1,6 @@
 {-# OPTIONS -fno-warn-orphans #-}
 {-# OPTIONS -fno-warn-orphans #-}
 {-# LANGUAGE FlexibleContexts #-}
-{-# LANGUAGE TemplateHaskell  #-}
 -- | Main compiler executable.
 
 module Main where
@@ -15,75 +14,71 @@
 import           Control.Monad
 import           Control.Monad.Error
 import           Data.Default
+import           Data.List.Split          (wordsBy)
 import           Data.Maybe
 import           Data.Version             (showVersion)
-import           Options
+import           Options.Applicative
 import           System.Console.Haskeline
-import           System.Environment
-import           System.Exit
 import           System.IO
 
 -- | Options and help.
-defineOptions "FayCompilerOptions" $ do
+data FayCompilerOptions = FayCompilerOptions
+    { optLibrary     :: Bool
+    , optInlineForce :: Bool
+    , optFlattenApps :: Bool
+    , optHTMLWrapper :: Bool
+    , optHTMLJSLibs  :: [String]
+    , optInclude     :: [String]
+    , optWall        :: Bool
+    , optNoGHC       :: Bool
+    , optStdout      :: Bool
+    , optVersion     :: Bool
+    , optOutput      :: Maybe String
+    , optPretty      :: Bool
+    , optFiles       :: [String]
+    }
 
-  -- boolOption "optExportBuiltins" "export-builtins" True ""
-  -- boolOption "optTCO" "tco" False ""
+options :: Parser FayCompilerOptions
+options = FayCompilerOptions
+  <$> switch (long "library" & help "Don't automatically call main in generated JavaScript")
+  <*> switch (long "inline-force" & help "inline forcing, adds some speed for numbers, blows up code a bit")
+  <*> switch (long "flatten-apps" & help "flatten function applicaton")
 
-  boolOption     "optAutoRun"     "autorun"      False "automatically call main in generated JavaScript"
-  boolOption     "optInlineForce" "inline-force" False "inline forcing, adds some speed for numbers, blows up code a bit"
-  boolOption     "optFlattenApps" "flatten-apps" False "flatten function applicaton"
+  <*> switch (long "html-wrapper" & help "Create an html file that loads the javascript")
+  <*> strsOption (long "html-js-lib" & metavar "file1[, ..]" & help "javascript files to add to <head> if using option html-wrapper")
 
-  boolOption     "optHTMLWrapper" "html-wrapper" False "Create an html file that loads the javascript"
-  stringsOption  "optHTMLJSLibs"  "html-js-lib"  []    "file1[, ..] javascript files to add to <head> if using option html-wrapper"
+  <*> strsOption (long "include" & metavar "dir1[, ..]" & help "additional directories for include")
 
-  stringsOption  "optInclude"     "include"      []    "dir1[, ..] additional directories for include"
+  <*> switch (long "Wall" & help "Typecheck with -Wall")
+  <*> switch (long "no-ghc" & help "Don't typecheck, specify when not working with files")
 
-  option         "optStdout" (\o -> o
-                              { optionLongFlags = ["stdout"]
-                              , optionShortFlags = ['s']
-                              , optionDefault = "false"
-                              , optionType = optionTypeBool
-                              , optionDescription = "Output to stdout"
-                                                  })
-  option         "optVersion" (\o -> o
-                              { optionLongFlags = ["version"]
-                              , optionShortFlags = ['v']
-                              , optionDefault = "false"
-                              , optionType = optionTypeBool
-                              , optionDescription = "Output version number"
-                                                  })
-  option         "optOutput" (\o -> o
-                              { optionLongFlags = ["output"]
-                              , optionShortFlags = ['o']
-                              , optionDefault = ""
-                              , optionType = optionTypeMaybe optionTypeString
-                              , optionDescription = "Output to specified file"
-                                                  })
-  option         "optPretty" (\o -> o
-                             { optionLongFlags = ["pretty"]
-                             , optionShortFlags = ['p']
-                             , optionDefault = "false"
-                             , optionType = optionTypeBool
-                             , optionDescription = "Run javascript through js-beautify"
-                                                 })
+  <*> switch (long "stdout" & short 's' & help "Output to stdout")
+  <*> switch (long "version" & help "Output version number")
+  <*> nullOption (long "output" & short 'o' & reader (Just . Just) & value Nothing & help "Output to specified file")
+  <*> switch (long "pretty" & short 'p' & help "Pretty print the output")
 
+  <*> arguments Just (metavar "- | <hs-file>...")
+
+  where
+    strsOption m = nullOption (m & reader (Just . wordsBy (== ',')) & value [])
+
 -- | The basic help text.
-helpTxt :: [String]
-helpTxt =
-  ["fay -- The fay compiler from (a proper subset of) Haskell to Javascript"
-  ,"USAGE"
-  ,"  fay [OPTIONS] [- | <hs-file>...]"
-  ,"  fay - takes input on stdin and prints to stdout. Runs through js-beautify if available"
+helpTxt :: String
+helpTxt = concat
+  ["fay -- The fay compiler from (a proper subset of) Haskell to Javascript\n\n"
+  ,"SYNOPSIS\n"
+  ,"  fay [OPTIONS] [- | <hs-file>...]\n"
+  ,"  fay - takes input on stdin and prints to stdout. Pretty prints\n"
   ,"  fay <hs-file>... processes each .hs file"
   ]
 
 -- | Main entry point.
 main :: IO ()
-main =
-  runCommandHelp (unlines helpTxt) $ \opts files ->
-    if optVersion opts
-      then runCommandVersion
-      else (do
+main = do
+  opts <- execParser parser
+  if optVersion opts
+    then runCommandVersion
+    else (do
   let config = def { configTCO = False -- optTCO opts
                    , configInlineForce = optInlineForce opts
                    , configFlattenApps = optFlattenApps opts
@@ -91,18 +86,19 @@
 
                    , configDirectoryIncludes = "." : optInclude opts
                    , configPrettyPrint = optPretty opts
-                   , configAutorun = optAutoRun opts
+                   , configLibrary = optLibrary opts
                    , configHtmlWrapper =  optHTMLWrapper opts
                    , configHtmlJSLibs = optHTMLJSLibs opts
+                   , configTypecheck = not $ optNoGHC opts
+                   , configWall = optWall opts
                    }
-  void $ E.catch (incompatible htmlAndStdout opts "Html wrapping and stdout are incompatible")
-                 errorUsage
+  void $ incompatible htmlAndStdout opts "Html wrapping and stdout are incompatible"
 
-  case files of
+  case optFiles opts of
        ["-"] -> do
                hGetContents stdin >>= printCompile config compileModule
        [] -> runInteractive
-       _  -> forM_ files $ \file -> do
+       files  -> forM_ files $ \file -> do
                if optStdout opts
                  then compileReadWrite config file stdout
                  else
@@ -110,15 +106,11 @@
 
 
   where
+    parser = info (helper <*> options) (fullDesc & header helpTxt)
+
     outPutFile :: FayCompilerOptions -> String -> FilePath
     outPutFile opts file = fromMaybe (toJsName file) $ optOutput opts
 
-    errorUsage :: IOError -> IO a
-    errorUsage e = do
-        putStrLn $ "ERROR: \n  " ++ (show e)
-        args <- getArgs
-        usageMsg args $ unlines $ drop 1 helpTxt
-
 runInteractive :: IO ()
 runInteractive =
     runInputT defaultSettings loop
@@ -135,31 +127,10 @@
                     Right (ok,_) -> liftIO (prettyPrintString ok) >>= outputStr
                 loop
 
-runCommandHelp :: (MonadIO m, Options opts) => String -> (opts -> [String] -> m a) -> m a
-runCommandHelp help io = do
-	argv <- liftIO getArgs
-	let parsed = parseOptions argv
-	case parsedOptions parsed of
-		Just opts -> io opts (parsedArguments parsed)
-		Nothing -> liftIO $ usageMsg argv help
-
 runCommandVersion :: IO ()
 runCommandVersion = putStrLn $ "fay " ++ showVersion version
 
 
-
-usageMsg :: [String] -> String -> IO a
-usageMsg argv help = do
-    putStrLn help
-    let parsed = parseOptions argv :: ParsedOptions FayCompilerOptions
-    case parsedError parsed of
-        Just err -> do
-            hPutStrLn stderr (parsedHelp parsed)
-            hPutStrLn stderr err
-            exitFailure
-	Nothing -> do
-	    hPutStr stdout (parsedHelp parsed)
-	    exitSuccess
 
 htmlAndStdout :: FayCompilerOptions -> Bool
 htmlAndStdout opts = optHTMLWrapper opts && optStdout opts
diff --git a/src/System/Process/Extra.hs b/src/System/Process/Extra.hs
--- a/src/System/Process/Extra.hs
+++ b/src/System/Process/Extra.hs
@@ -16,9 +16,9 @@
     ExitSuccess -> fmap Right (hGetContents out)
     ExitFailure _ -> fmap Left (hGetContents err)
 
-readAllFromProcess' :: FilePath -> [String] -> String -> IO (Either String String)
+readAllFromProcess' :: FilePath -> [String] -> String -> IO (Either String (String,String))
 readAllFromProcess' program flags input = do
   (code,out,err) <- readProcessWithExitCode program flags input
-  case code of
-    ExitSuccess -> return $ Right out
-    ExitFailure _ -> return $ Left err
+  return $ case code of
+    ExitFailure _ -> Left err
+    ExitSuccess   -> Right (err, out)
diff --git a/src/Test/Api.hs b/src/Test/Api.hs
--- a/src/Test/Api.hs
+++ b/src/Test/Api.hs
@@ -5,16 +5,16 @@
 import           Data.Default
 import           Language.Fay.Compiler
 import           Language.Fay.Types
-import           Test.HUnit (Assertion, assertBool)
-import           Test.Util
 import           Test.Framework
 import           Test.Framework.Providers.HUnit
 import           Test.Framework.TH
+import           Test.HUnit                     (Assertion, assertBool)
+import           Test.Util
 
 tests :: Test
 tests = $testGroupGenerator
 
 case_imports :: Assertion
 case_imports = do
-  res <- compileFile def { configDirectoryIncludes = ["tests"] } "tests/RecordImport_Import.hs"
+  res <- compileFile def { configTypecheck = False, configDirectoryIncludes = ["tests"] } "tests/RecordImport_Import.hs"
   assertBool "Could not compile file with imports" (isRight res)
diff --git a/src/Test/CommandLine.hs b/src/Test/CommandLine.hs
--- a/src/Test/CommandLine.hs
+++ b/src/Test/CommandLine.hs
@@ -5,11 +5,11 @@
 import           Control.Applicative
 import           Data.Maybe
 import           System.Process.Extra
-import           Test.HUnit (Assertion, assertBool)
-import           Test.Util
 import           Test.Framework
 import           Test.Framework.Providers.HUnit
 import           Test.Framework.TH
+import           Test.HUnit                     (Assertion, assertBool)
+import           Test.Util
 
 tests :: Test
 tests = $testGroupGenerator
@@ -17,7 +17,10 @@
 compileFile :: [String] -> IO (Either String String)
 compileFile flags = do
   fay <- fromJust <$> fayPath
-  readAllFromProcess' fay flags ""
+  r <- readAllFromProcess' fay flags ""
+  return $ case r of
+    Left l -> Left l
+    Right t -> Right $ snd t
 
 case_executable :: Assertion
 case_executable = do
@@ -26,5 +29,5 @@
 
 case_compile :: Assertion
 case_compile = do
-  res <- compileFile ["--autorun", "--include=tests", "tests/RecordImport_Import.hs"]
+  res <- compileFile ["--include=tests", "tests/RecordImport_Import.hs","--no-ghc"]
   assertBool (fromLeft res) (isRight res)
diff --git a/src/Test/Convert.hs b/src/Test/Convert.hs
--- a/src/Test/Convert.hs
+++ b/src/Test/Convert.hs
@@ -3,20 +3,20 @@
 
 module Test.Convert (tests) where
 
-import qualified Data.Aeson.Parser    as Aeson
+import qualified Data.Aeson.Parser              as Aeson
 import           Data.Attoparsec.ByteString
-import qualified Data.ByteString      as Bytes
-import qualified Data.ByteString.UTF8 as UTF8
+import qualified Data.ByteString                as Bytes
+import qualified Data.ByteString.UTF8           as UTF8
 import           Data.Data
 import           Data.Ratio
 import           Language.Fay.Convert
-import           Test.HUnit (assertEqual)
 import           Test.Framework
 import           Test.Framework.Providers.HUnit
+import           Test.HUnit                     (assertEqual)
 
 tests :: Test
 tests = testGroup "Test.Convert" [reading, showing]
-  where reading = testGroup "reading" $ 
+  where reading = testGroup "reading" $
           flip map readTests $ \(ReadTest value) ->
             let label = show value
             in testCase label $
@@ -50,6 +50,7 @@
   ,ReadTest $ LabelledRecord { barInt = 123, barDouble = 66.6 }
   ,ReadTest $ LabelledRecord2 { bar = 123, bob = 66.6 }
   ,ReadTest $ FooBar "Tinkie Winkie" "Humanzee" Zot
+  ,ReadTest $ Bar $ Foo "one" "two"
   ]
 
 -- | Test cases.
@@ -69,6 +70,7 @@
   ,NAryConstructor 123 4.5 → "{\"slot1\":123,\"slot2\":4.5,\"instance\":\"NAryConstructor\"}"
   ,LabelledRecord { barInt = 123, barDouble = 4.5 }
      → "{\"barDouble\":4.5,\"barInt\":123,\"instance\":\"LabelledRecord\"}"
+  ,Bar (Foo "one" "two") → "{\"slot1\":{\"slot1\":\"one\",\"slot2\":\"two\",\"instance\":\"Foo\"},\"instance\":\"Bar\"}"
   -- Unicode
   ,"¡ ¢ £ ¤ ¥ " → "\"¡ ¢ £ ¤ ¥ \""
   ,"Ā ā Ă ă Ą " → "\"Ā ā Ă ă Ą \""
@@ -91,6 +93,11 @@
   ]
 
   where x → y = Testcase x (UTF8.fromString y)
+
+data Foo = Foo String String
+  deriving (Show,Data,Typeable,Read,Eq)
+data Bar = Bar Foo
+  deriving (Show,Data,Typeable,Read,Eq)
 
 -- | Nullary constructor.
 data NullaryConstructor = NullaryConstructor
diff --git a/src/Test/Util.hs b/src/Test/Util.hs
--- a/src/Test/Util.hs
+++ b/src/Test/Util.hs
@@ -14,7 +14,7 @@
       dist <- doesFileExist distPath
       if dist
         then return (Just distPath)
-        else either (const Nothing) (Just . concat . lines) <$> readAllFromProcess' "which" ["fay"] ""
+        else either (const Nothing) (Just . concat . lines . snd) <$> readAllFromProcess' "which" ["fay"] ""
   where
     cabalDevPath = "./cabal-dev/bin/fay"
     distPath = "./dist/build/fay/fay"
diff --git a/src/Tests.hs b/src/Tests.hs
--- a/src/Tests.hs
+++ b/src/Tests.hs
@@ -12,12 +12,12 @@
 import           System.Directory
 import           System.FilePath
 import           System.Process.Extra
-import qualified Test.Api              as Api
-import qualified Test.CommandLine      as Cmd
-import qualified Test.Convert          as C
-import           Test.HUnit (assertEqual)
+import qualified Test.Api                       as Api
+import qualified Test.CommandLine               as Cmd
+import qualified Test.Convert                   as C
 import           Test.Framework
 import           Test.Framework.Providers.HUnit
+import           Test.HUnit                     (assertEqual)
 
 -- | Main test runner.
 main :: IO ()
@@ -34,7 +34,7 @@
       let root = (reverse . drop 1 . dropWhile (/='.') . reverse) file
           out = toJsName file
       outExists <- doesFileExist root
-      compileFromTo def { configAutorun = True, configDirectoryIncludes = ["tests/"] } file out
+      compileFromTo def { configTypecheck = False, configDirectoryIncludes = ["tests/"] } file out
       result <- runJavaScriptFile out
       if outExists
          then do output <- readFile root
diff --git a/tests/Bool.hs b/tests/Bool.hs
--- a/tests/Bool.hs
+++ b/tests/Bool.hs
@@ -1,6 +1,12 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Bool where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
+main :: Fay ()
 main = print True
 
-print :: Double -> Fay ()
+print :: Bool -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/Bool.js b/tests/Bool.js
--- a/tests/Bool.js
+++ b/tests/Bool.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Bool = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(true);});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(true);});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["bool"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Bool();
 main._(main.main);
 
diff --git a/tests/Double.hs b/tests/Double.hs
--- a/tests/Double.hs
+++ b/tests/Double.hs
@@ -1,4 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
+
+module Double where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (2 * 4 / 2)
 
 print :: Double -> Fay ()
diff --git a/tests/Double.js b/tests/Double.js
--- a/tests/Double.js
+++ b/tests/Double.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Double = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(2 * 4) / 2);});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(Fay$$div)(_(_(Fay$$mult)(2)(4)))(2));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Double();
 main._(main.main);
 
diff --git a/tests/Double2.hs b/tests/Double2.hs
--- a/tests/Double2.hs
+++ b/tests/Double2.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Double2 where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (10 + (2 * (4 / 2)))
 
 print :: Double -> Fay ()
diff --git a/tests/Double2.js b/tests/Double2.js
--- a/tests/Double2.js
+++ b/tests/Double2.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Double2 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(10 + _(2 * _(4 / 2)));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(Fay$$add)(10)(_(_(Fay$$mult)(2)(_(_(Fay$$div)(4)(2))))));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Double2();
 main._(main.main);
 
diff --git a/tests/Double3.hs b/tests/Double3.hs
--- a/tests/Double3.hs
+++ b/tests/Double3.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Double3 where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (5 * 3 / 2)
 
 print :: Double -> Fay ()
diff --git a/tests/Double3.js b/tests/Double3.js
--- a/tests/Double3.js
+++ b/tests/Double3.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Double3 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(5 * 3) / 2);});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(Fay$$div)(_(_(Fay$$mult)(5)(3)))(2));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Double3();
 main._(main.main);
 
diff --git a/tests/Double4.hs b/tests/Double4.hs
--- a/tests/Double4.hs
+++ b/tests/Double4.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Double4 where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print 1
 
 print :: Double -> Fay ()
diff --git a/tests/Double4.js b/tests/Double4.js
--- a/tests/Double4.js
+++ b/tests/Double4.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Double4 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(1);});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(1);});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Double4();
 main._(main.main);
 
diff --git a/tests/Hierarchical/Export.hs b/tests/Hierarchical/Export.hs
--- a/tests/Hierarchical/Export.hs
+++ b/tests/Hierarchical/Export.hs
@@ -2,5 +2,8 @@
 
 module Hierarchical.Export where
 
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 exported :: String
 exported = "exported"
diff --git a/tests/Hierarchical/RecordDefined.hs b/tests/Hierarchical/RecordDefined.hs
--- a/tests/Hierarchical/RecordDefined.hs
+++ b/tests/Hierarchical/RecordDefined.hs
@@ -1,7 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-module RecordDefined where
+module Hierarchical.RecordDefined where
 
-data Callback a = Callback Integer
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
+data Callback a = Callback Double
 
 g (Callback a) = a
diff --git a/tests/HierarchicalImport.hs b/tests/HierarchicalImport.hs
--- a/tests/HierarchicalImport.hs
+++ b/tests/HierarchicalImport.hs
@@ -1,6 +1,9 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-module Main where
+module HierarchicalImport where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
 
 import           Hierarchical.Export
 
diff --git a/tests/HierarchicalImport.js b/tests/HierarchicalImport.js
--- a/tests/HierarchicalImport.js
+++ b/tests/HierarchicalImport.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var HierarchicalImport = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var exported = new $(function(){return Fay$$list("exported");});var main = new $(function(){return _(printS)(exported);});var printS = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var exported = new $(function(){return Fay$$list("exported");});var main = new $(function(){return _(printS)(exported);});var printS = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -473,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new HierarchicalImport();
 main._(main.main);
 
diff --git a/tests/List.hs b/tests/List.hs
--- a/tests/List.hs
+++ b/tests/List.hs
@@ -1,12 +1,17 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-main = print (showList (take 5 (let ns = 1 : map (\x -> x + 1) ns in ns)))
+module List where
 
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
+main = print (showList (take 5 (let ns = 1 : map' (\x -> x + 1) ns in ns)))
+
 take 0 _      = []
 take n (x:xs) = x : take (n - 1) xs
 
-map f []     = []
-map f (x:xs) = f x : map f xs
+map' f []     = []
+map' f (x:xs) = f x : map' f xs
 
 print :: String -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/List.js b/tests/List.js
--- a/tests/List.js
+++ b/tests/List.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var List = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,58 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(showList)(_(_(take)(5))((function(){var ns = new $(function(){return _(_(Fay$$cons)(1))(_(_(map)(function($_a){var x = $_a;return _(x) + 1;}))(ns));});return ns;})())));});var take = function($_a){return function($_b){return new $(function(){if (_($_a) === 0) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var n = $_a;return _(_(Fay$$cons)(x))(_(_(take)(_(n) - 1))(xs));}throw ["unhandled case in Ident \"take\"",[$_a,$_b]];});};};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var f = $_a;return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var showList = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["list",[["double"]]],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(showList)(_(_(take)(5))((function(){var ns = new $(function(){return _(_(Fay$$cons)(1))(_(_(map$39$)(function($36$_a){var x = $36$_a;return _(Fay$$add)(_(x))(1);}))(ns));});return ns;})())));});var take = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === 0) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var n = $36$_a;return _(_(Fay$$cons)(x))(_(_(take)(_(Fay$$sub)(_(n))(1)))(xs));}throw ["unhandled case in Ident \"take\"",[$36$_a,$36$_b]];});};};var map$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var f = $36$_a;return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map$39$)(f))(xs));}throw ["unhandled case in Ident \"map'\"",[$36$_a,$36$_b]];});};};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var showList = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["list",[["double"]]],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.showList = showList;
+this.print = print;
+this.map$39$ = map$39$;
+this.take = take;
 this.main = main;
 
 // Built-ins
@@ -429,6 +530,6 @@
 
 };
 ;
-var main = new Main();
+var main = new List();
 main._(main.main);
 
diff --git a/tests/List2.hs b/tests/List2.hs
--- a/tests/List2.hs
+++ b/tests/List2.hs
@@ -1,14 +1,19 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-main = print (showList (take 5 (let ns = 1 : map (foo 123) ns in ns)))
+module List2 where
 
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
+main = print (showList (take 5 (let ns = 1 : map' (foo 123) ns in ns)))
+
 foo x y = x * y / 2
 
 take 0 _      = []
 take n (x:xs) = x : take (n - 1) xs
 
-map f []     = []
-map f (x:xs) = f x : map f xs
+map' f []     = []
+map' f (x:xs) = f x : map' f xs
 
 print :: String -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/List2.js b/tests/List2.js
--- a/tests/List2.js
+++ b/tests/List2.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var List2 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,59 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(showList)(_(_(take)(5))((function(){var ns = new $(function(){return _(_(Fay$$cons)(1))(_(_(map)(_(foo)(123)))(ns));});return ns;})())));});var foo = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) * _(y)) / 2;});};};var take = function($_a){return function($_b){return new $(function(){if (_($_a) === 0) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var n = $_a;return _(_(Fay$$cons)(x))(_(_(take)(_(n) - 1))(xs));}throw ["unhandled case in Ident \"take\"",[$_a,$_b]];});};};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var f = $_a;return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var showList = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["list",[["double"]]],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(showList)(_(_(take)(5))((function(){var ns = new $(function(){return _(_(Fay$$cons)(1))(_(_(map$39$)(_(foo)(123)))(ns));});return ns;})())));});var foo = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(Fay$$div)(_(_(Fay$$mult)(_(x))(_(y))))(2);});};};var take = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === 0) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var n = $36$_a;return _(_(Fay$$cons)(x))(_(_(take)(_(Fay$$sub)(_(n))(1)))(xs));}throw ["unhandled case in Ident \"take\"",[$36$_a,$36$_b]];});};};var map$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var f = $36$_a;return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map$39$)(f))(xs));}throw ["unhandled case in Ident \"map'\"",[$36$_a,$36$_b]];});};};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var showList = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["list",[["double"]]],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.showList = showList;
+this.print = print;
+this.map$39$ = map$39$;
+this.take = take;
+this.foo = foo;
 this.main = main;
 
 // Built-ins
@@ -429,6 +531,6 @@
 
 };
 ;
-var main = new Main();
+var main = new List2();
 main._(main.main);
 
diff --git a/tests/Monad.hs b/tests/Monad.hs
--- a/tests/Monad.hs
+++ b/tests/Monad.hs
@@ -3,7 +3,7 @@
 
 -- | Monads test.
 
-module Monads where
+module Monad where
 
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
diff --git a/tests/Monad.js b/tests/Monad.js
--- a/tests/Monad.js
+++ b/tests/Monad.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Monads = function(){
+var Monad = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$$61$)(_($_return)(123)))(function($_a){if (_($_a) === 123) {return _(_($62$$62$$61$)(_($_return)(456)))(function($_a){var x = $_a;return _(_($62$$62$)(_(_($62$$62$)(_(print)(x)))(_($_return)(Fay$$unit))))(_(_($62$$62$$61$)(_(_($62$$62$$61$)(_($_return)(666)))(function($_a){return _($_return)(789);})))(function($_a){var x = $_a;return _(_($62$$62$$61$)(_($_return)(101112)))(function($_a){var y = $_a;return _(_($62$$62$)(_(print)(x)))(_(print)(y));});}));});}throw ["unhandled case",$_a];});});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$$61$)(_($_return)(123)))(function($36$_a){if (_($36$_a) === 123) {return _(_($62$$62$$61$)(_($_return)(456)))(function($36$_a){var x = $36$_a;return _(_($62$$62$)(_(_($62$$62$)(_(print)(x)))(_($_return)(Fay$$unit))))(_(_($62$$62$$61$)(_(_($62$$62$$61$)(_($_return)(666)))(function($36$_a){return _($_return)(789);})))(function($36$_a){var x = $36$_a;return _(_($62$$62$$61$)(_($_return)(101112)))(function($36$_a){var y = $36$_a;return _(_($62$$62$)(_(print)(x)))(_(print)(y));});}));});}throw ["unhandled case",$36$_a];});});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -473,6 +527,6 @@
 
 };
 ;
-var main = new Monads();
+var main = new Monad();
 main._(main.main);
 
diff --git a/tests/Monad2.hs b/tests/Monad2.hs
--- a/tests/Monad2.hs
+++ b/tests/Monad2.hs
@@ -4,7 +4,7 @@
 
 -- | Monads test.
 
-module Monads where
+module Monad2 where
 
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
diff --git a/tests/Monad2.js b/tests/Monad2.js
--- a/tests/Monad2.js
+++ b/tests/Monad2.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Monads = function(){
+var Monad2 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$$61$)(_($_return)((function(){var result = new $(function(){return _(_(runState)(demo))(60);});return _(_($43$$43$)(_(fst)(result)))(_(_($43$$43$)(Fay$$list(": ")))(_(show)(_(snd)(result))));})())))(print);});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Monad = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Monad = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $_Monad(slot1,slot2,slot3);});};};};var demo = new $(function(){return (function($_stateMonad){if (_($_stateMonad) instanceof $_Monad) {var $_return = _($_stateMonad).slot1;var $62$$62$$61$ = _($_stateMonad).slot2;var $62$$62$ = _($_stateMonad).slot3;return _(_($62$$62$$61$)(get))(function($_a){var n = $_a;return _(_($62$$62$)(_(put)(_(n) * 2)))(_(_($62$$62$$61$)(get))(function($_a){var n = $_a;return _(_($62$$62$)(_(put)(_(n) + 3)))(_($_return)(Fay$$list("abc")));}));});}return (function(){ throw (["unhandled case",$_stateMonad]); })();})(stateMonad);});var $_State = function(runState){this.runState = runState;};var State = function(runState){return new $(function(){return new $_State(runState);});};var runState = function(x){return new $(function(){return _(x).runState;});};var stateMonad = new $(function(){var $_return = new $(function(){return function($_a){var x = $_a;return _(State)(function($_a){var st = $_a;return Fay$$list([x,st]);});};});var $62$$62$$61$ = new $(function(){return function($_a){var processor = $_a;return function($_b){var processorGenerator = $_b;return _(_($36$)(State))(function($_a){var st = $_a;return (function($tmp){var x = Fay$$index(0)(_($tmp));var st$39$ = Fay$$index(1)(_($tmp));return _(_(runState)(_(processorGenerator)(x)))(st$39$);return (function(){ throw (["unhandled case",$tmp]); })();})(_(_(runState)(processor))(st));});};};});var $62$$62$ = new $(function(){return function($_a){var a = $_a;return function($_b){var b = $_b;return _(_($62$$62$$61$)(a))(function($_a){return b;});};};});return _(_(_(Monad)($_return))($62$$62$$61$))($62$$62$);});var put = function($_a){return new $(function(){var newState = $_a;return _(_($36$)(State))(function($_a){return Fay$$list([Fay$$unit,newState]);});});};var get = new $(function(){return _(_($36$)(State))(function($_a){var st = $_a;return Fay$$list([st,st]);});});var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_State) {return {"instance": "State","runState": Fay$$fayToJs(["function",[["unknown"],["unknown"]]],_(_obj.runState))};}if (_obj instanceof $_Monad) {return {"instance": "Monad","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["unknown"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["unknown"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "State") {return new $_State(Fay$$jsToFay(["function",[["unknown"],["unknown"]]],obj["runState"]));}if (obj["instance"] === "Monad") {return new $_Monad(Fay$$jsToFay(["unknown"],obj["slot1"]),Fay$$jsToFay(["unknown"],obj["slot2"]),Fay$$jsToFay(["unknown"],obj["slot3"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$$61$)(_($_return)((function(){var result = new $(function(){return _(_(runState)(demo))(60);});return _(_($43$$43$)(_(fst)(result)))(_(_($43$$43$)(Fay$$list(": ")))(_(show)(_(snd)(result))));})())))(print);});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Monad = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Monad = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $36$_Monad(slot1,slot2,slot3);});};};};var demo = new $(function(){return (function($36$_stateMonad){if (_($36$_stateMonad) instanceof $36$_Monad) {var $_return = _($36$_stateMonad).slot1;var $62$$62$$61$ = _($36$_stateMonad).slot2;var $62$$62$ = _($36$_stateMonad).slot3;return _(_($62$$62$$61$)(get))(function($36$_a){var n = $36$_a;return _(_($62$$62$)(_(put)(_(Fay$$mult)(_(n))(2))))(_(_($62$$62$$61$)(get))(function($36$_a){var n = $36$_a;return _(_($62$$62$)(_(put)(_(Fay$$add)(_(n))(3))))(_($_return)(Fay$$list("abc")));}));});}return (function(){ throw (["unhandled case",$36$_stateMonad]); })();})(stateMonad);});var $36$_State = function(runState){this.runState = runState;};var State = function(runState){return new $(function(){return new $36$_State(runState);});};var runState = function(x){return new $(function(){return _(x).runState;});};var stateMonad = new $(function(){var $_return = new $(function(){return function($36$_a){var x = $36$_a;return _(State)(function($36$_a){var st = $36$_a;return Fay$$list([x,st]);});};});var $62$$62$$61$ = new $(function(){return function($36$_a){var processor = $36$_a;return function($36$_b){var processorGenerator = $36$_b;return _(_($36$)(State))(function($36$_a){var st = $36$_a;return (function($tmp){var x = Fay$$index(0)(_($tmp));var st$39$ = Fay$$index(1)(_($tmp));return _(_(runState)(_(processorGenerator)(x)))(st$39$);return (function(){ throw (["unhandled case",$tmp]); })();})(_(_(runState)(processor))(st));});};};});var $62$$62$ = new $(function(){return function($36$_a){var a = $36$_a;return function($36$_b){var b = $36$_b;return _(_($62$$62$$61$)(a))(function($36$_a){return b;});};};});return _(_(_(Monad)($_return))($62$$62$$61$))($62$$62$);});var put = function($36$_a){return new $(function(){var newState = $36$_a;return _(_($36$)(State))(function($36$_a){return Fay$$list([Fay$$unit,newState]);});});};var get = new $(function(){return _(_($36$)(State))(function($36$_a){var st = $36$_a;return Fay$$list([st,st]);});});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_State) {return {"instance": "State","runState": Fay$$fayToJs(["function",[["unknown"],["unknown"]]],_(_obj.runState))};}if (_obj instanceof $36$_Monad) {return {"instance": "Monad","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["unknown"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["unknown"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "State") {return new $36$_State(Fay$$jsToFay(["function",[["unknown"],["unknown"]]],obj["runState"]));}if (obj["instance"] === "Monad") {return new $36$_Monad(Fay$$jsToFay(["unknown"],obj["slot1"]),Fay$$jsToFay(["unknown"],obj["slot2"]),Fay$$jsToFay(["unknown"],obj["slot3"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -478,6 +532,6 @@
 
 };
 ;
-var main = new Monads();
+var main = new Monad2();
 main._(main.main);
 
diff --git a/tests/RecCon.hs b/tests/RecCon.hs
--- a/tests/RecCon.hs
+++ b/tests/RecCon.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecCon where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data Bool = True | False
 
 main = print (head (fix (\xs -> 123 : xs)))
diff --git a/tests/RecCon.js b/tests/RecCon.js
--- a/tests/RecCon.js
+++ b/tests/RecCon.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecCon = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,57 @@
  * Application code.
  */
 
-var $_True = function(){};var True = new $(function(){return new $_True();});var $_False = function(){};var False = new $(function(){return new $_False();});var main = new $(function(){return _(print)(_(head)(_(fix)(function($_a){var xs = $_a;return _(_(Fay$$cons)(123))(xs);})));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var head = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return x;}throw ["unhandled case in Ident \"head\"",[$_a]];});};var fix = function($_a){return new $(function(){var f = $_a;return (function(){var x = new $(function(){return _(f)(x);});return x;})();});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_False) {return {"instance": "False"};}if (_obj instanceof $_True) {return {"instance": "True"};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "False") {return new $_False();}if (obj["instance"] === "True") {return new $_True();}return obj;};
+var $36$_True = function(){};var True = new $(function(){return new $36$_True();});var $36$_False = function(){};var False = new $(function(){return new $36$_False();});var main = new $(function(){return _(print)(_(head)(_(fix)(function($36$_a){var xs = $36$_a;return _(_(Fay$$cons)(123))(xs);})));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var head = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return x;}throw ["unhandled case in Ident \"head\"",[$36$_a]];});};var fix = function($36$_a){return new $(function(){var f = $36$_a;return (function(){var x = new $(function(){return _(f)(x);});return x;})();});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_False) {return {"instance": "False"};}if (_obj instanceof $36$_True) {return {"instance": "True"};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "False") {return new $36$_False();}if (obj["instance"] === "True") {return new $36$_True();}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.fix = fix;
+this.head = head;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +529,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecCon();
 main._(main.main);
 
diff --git a/tests/RecDecl b/tests/RecDecl
--- a/tests/RecDecl
+++ b/tests/RecDecl
@@ -1,3 +1,6 @@
+{ instance: 'R', i: 10, c: 'a' }
+{ instance: 'R', i: 20, c: 'a' }
+{ instance: 'R', i: 123, c: 'b' }
 { instance: 'R', i: 1, c: 'a' }
 1
 "a"
diff --git a/tests/RecDecl.hs b/tests/RecDecl.hs
--- a/tests/RecDecl.hs
+++ b/tests/RecDecl.hs
@@ -1,7 +1,14 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecDecl where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data R = R { i :: Double, c :: Char }
+instance Foreign R
 data S = S Double Char
+instance Foreign S
 
 -- RecDecl
 r1 :: R
@@ -25,10 +32,22 @@
 
 -- Multiple fields with the same type
 data X = X { _x1, _x2 :: Int }
+instance Foreign X
+
 x1 = X 1 2
 x2 = X { _x1 = 1, _x2 = 2 }
 
+-- Record updates
+r1' = r1{ i = 10 }
+r2' = r2{ c = 'a', i = 20 }
+r'' = r'{ i = 123 }
+
 main = do
+  -- print updated records first to show that old records are preserved
+  print r1'
+  print r2'
+  print r''
+
   print r1
   printS (show (i r1))
   printS (show (c r1))
@@ -42,5 +61,5 @@
 printS :: String -> Fay ()
 printS = ffi "console.log(%1)"
 
-print :: a -> Fay ()
+print :: Foreign f => f -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/RecDecl.js b/tests/RecDecl.js
--- a/tests/RecDecl.js
+++ b/tests/RecDecl.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecDecl = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,9 +468,71 @@
  * Application code.
  */
 
-var $_R = function(i,c){this.i = i;this.c = c;};var R = function(i){return function(c){return new $(function(){return new $_R(i,c);});};};var i = function(x){return new $(function(){return _(x).i;});};var c = function(x){return new $(function(){return _(x).c;});};var $_S = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var S = function(slot1){return function(slot2){return new $(function(){return new $_S(slot1,slot2);});};};var r1 = new $(function(){var r = new $_R();r.i = 1;r.c = "a";return r;});var r2 = new $(function(){var r = new $_R();r.c = "b";r.i = 2;return r;});var r$39$ = new $(function(){var r = new $_R();r.c = "b";return r;});var r3 = new $(function(){return _(_(R)(3))("c");});var s1 = new $(function(){return _(_(S)(1))("a");});var $_X = function(_x1,_x2){this._x1 = _x1;this._x2 = _x2;};var X = function(_x1){return function(_x2){return new $(function(){return new $_X(_x1,_x2);});};};var _x1 = function(x){return new $(function(){return _(x)._x1;});};var _x2 = function(x){return new $(function(){return _(x)._x2;});};var x1 = new $(function(){return _(_(X)(1))(2);});var x2 = new $(function(){var x = new $_X();x._x1 = 1;x._x2 = 2;return x;});var main = new $(function(){return _(_($62$$62$)(_(print)(r1)))(_(_($62$$62$)(_(printS)(_(show)(_(i)(r1)))))(_(_($62$$62$)(_(printS)(_(show)(_(c)(r1)))))(_(_($62$$62$)(_(print)(r2)))(_(_($62$$62$)(_(print)(r$39$)))(_(_($62$$62$)(_(print)(r3)))(_(_($62$$62$)(_(print)(s1)))(_(_($62$$62$)(_(print)(x1)))(_(print)(x2)))))))));});var printS = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["unknown"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? 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GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? 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+var $36$_R = function(i,c){this.i = i;this.c = c;};var R = function(i){return function(c){return new $(function(){return new $36$_R(i,c);});};};var i = function(x){return new $(function(){return _(x).i;});};var c = function(x){return new $(function(){return _(x).c;});};var $36$_S = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var S = function(slot1){return function(slot2){return new $(function(){return new $36$_S(slot1,slot2);});};};var r1 = new $(function(){var r = new $36$_R();r.i = 1;r.c = "a";return r;});var r2 = new $(function(){var r = new $36$_R();r.c = "b";r.i = 2;return r;});var r$39$ = new $(function(){var r = new $36$_R();r.c = "b";return r;});var r3 = new $(function(){return _(_(R)(3))("c");});var s1 = new $(function(){return _(_(S)(1))("a");});var $36$_X = function(_x1,_x2){this._x1 = _x1;this._x2 = _x2;};var X = function(_x1){return function(_x2){return new $(function(){return new $36$_X(_x1,_x2);});};};var _x1 = function(x){return new $(function(){return _(x)._x1;});};var _x2 = function(x){return new $(function(){return _(x)._x2;});};var x1 = new $(function(){return _(_(X)(1))(2);});var x2 = new $(function(){var x = new $36$_X();x._x1 = 1;x._x2 = 2;return x;});var r1$39$ = new $(function(){var $36$_record_to_update = Object.create(_(r1));$36$_record_to_update.i = 10;return $36$_record_to_update;});var r2$39$ = new $(function(){var $36$_record_to_update = Object.create(_(r2));$36$_record_to_update.c = "a";$36$_record_to_update.i = 20;return $36$_record_to_update;});var r$39$$39$ = new $(function(){var $36$_record_to_update = Object.create(_(r$39$));$36$_record_to_update.i = 123;return $36$_record_to_update;});var main = new $(function(){return _(_($62$$62$)(_(print)(r1$39$)))(_(_($62$$62$)(_(print)(r2$39$)))(_(_($62$$62$)(_(print)(r$39$$39$)))(_(_($62$$62$)(_(print)(r1)))(_(_($62$$62$)(_(printS)(_(show)(_(i)(r1)))))(_(_($62$$62$)(_(printS)(_(show)(_(c)(r1)))))(_(_($62$$62$)(_(print)(r2)))(_(_($62$$62$)(_(print)(r$39$)))(_(_($62$$62$)(_(print)(r3)))(_(_($62$$62$)(_(print)(s1)))(_(_($62$$62$)(_(print)(x1)))(_(print)(x2))))))))))));});var printS = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["unknown"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_X) {return {"instance": "X","_x1": Fay$$fayToJs(["int"],_(_obj._x1)),"_x2": Fay$$fayToJs(["int"],_(_obj._x2))};}if (_obj instanceof $36$_S) {return {"instance": "S","slot1": Fay$$fayToJs(["double"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["user","Char",[]],_(_obj.slot2))};}if (_obj instanceof $36$_R) {return {"instance": "R","i": Fay$$fayToJs(["double"],_(_obj.i)),"c": Fay$$fayToJs(["user","Char",[]],_(_obj.c))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "X") {return new $36$_X(Fay$$jsToFay(["int"],obj["_x1"]),Fay$$jsToFay(["int"],obj["_x2"]));}if (obj["instance"] === "S") {return new $36$_S(Fay$$jsToFay(["double"],obj["slot1"]),Fay$$jsToFay(["user","Char",[]],obj["slot2"]));}if (obj["instance"] === "R") {return new $36$_R(Fay$$jsToFay(["double"],obj["i"]),Fay$$jsToFay(["user","Char",[]],obj["c"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
+this.printS = printS;
 this.main = main;
+this.r$39$$39$ = r$39$$39$;
+this.r2$39$ = r2$39$;
+this.r1$39$ = r1$39$;
+this.x2 = x2;
+this.x1 = x1;
+this._x2 = _x2;
+this._x1 = _x1;
+this.s1 = s1;
+this.r3 = r3;
+this.r$39$ = r$39$;
+this.r2 = r2;
+this.r1 = r1;
+this.c = c;
+this.i = i;
 
 // Built-ins
 this._ = _;
@@ -429,6 +542,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecDecl();
 main._(main.main);
 
diff --git a/tests/RecordImport_Export.hs b/tests/RecordImport_Export.hs
--- a/tests/RecordImport_Export.hs
+++ b/tests/RecordImport_Export.hs
@@ -2,4 +2,6 @@
 
 module RecordImport_Export where
 
+import           Language.Fay.Prelude
+
 data R = R Integer
diff --git a/tests/RecordImport_Export.js b/tests/RecordImport_Export.js
--- a/tests/RecordImport_Export.js
+++ b/tests/RecordImport_Export.js
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var $_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $_R(slot1);});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_R) {return {"instance": "R","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $_R(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}return obj;};
+var $36$_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $36$_R(slot1);});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_R) {return {"instance": "R","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $36$_R(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
diff --git a/tests/RecordImport_Import.js b/tests/RecordImport_Import.js
--- a/tests/RecordImport_Import.js
+++ b/tests/RecordImport_Import.js
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var $_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $_R(slot1);});};var f = function($_a){return new $(function(){if (_($_a) instanceof $_R) {var i = _($_a).slot1;return _(R)(i);}throw ["unhandled case in Ident \"f\"",[$_a]];});};var showR = function($_a){return new $(function(){if (_($_a) instanceof $_R) {var i = _($_a).slot1;return _(_($43$$43$)(Fay$$list("R ")))(_(show)(i));}throw ["unhandled case in Ident \"showR\"",[$_a]];});};var printS = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var main = new $(function(){return _(_($36$)(printS))(_(_($36$)(showR))(_(R)(1)));});var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_R) {return {"instance": "R","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $_R(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}return obj;};
+var $36$_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $36$_R(slot1);});};var f = function($36$_a){return new $(function(){if (_($36$_a) instanceof $36$_R) {var i = _($36$_a).slot1;return _(R)(i);}throw ["unhandled case in Ident \"f\"",[$36$_a]];});};var showR = function($36$_a){return new $(function(){if (_($36$_a) instanceof $36$_R) {var i = _($36$_a).slot1;return _(_($43$$43$)(Fay$$list("R ")))(_(show)(i));}throw ["unhandled case in Ident \"showR\"",[$36$_a]];});};var printS = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var main = new $(function(){return _(_($36$)(printS))(_(_($36$)(showR))(_(R)(1)));});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_R) {return {"instance": "R","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $36$_R(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
diff --git a/tests/String.hs b/tests/String.hs
--- a/tests/String.hs
+++ b/tests/String.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module String where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print "Hello, World!"
 
 print :: String -> Fay ()
diff --git a/tests/String.js b/tests/String.js
--- a/tests/String.js
+++ b/tests/String.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var String = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(Fay$$list("Hello, World!"));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(Fay$$list("Hello, World!"));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new String();
 main._(main.main);
 
diff --git a/tests/asPatternMatch.hs b/tests/asPatternMatch.hs
--- a/tests/asPatternMatch.hs
+++ b/tests/asPatternMatch.hs
@@ -1,8 +1,6 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-module Test where
-
--- | As pattern matches
+module AsPatternMatch where
 
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
diff --git a/tests/asPatternMatch.js b/tests/asPatternMatch.js
--- a/tests/asPatternMatch.js
+++ b/tests/asPatternMatch.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Test = function(){
+var AsPatternMatch = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var matchSame = function($_a){return new $(function(){var x = $_a;var y = $_a;return Fay$$list([x,y]);return Fay$$list([x,y]);throw ["unhandled case in Ident \"matchSame\"",[$_a]];});};var matchSplit = function($_a){return new $(function(){var x = $_a;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var y = $_$_a.car;var z = $_$_a.cdr;return Fay$$list([x,y,z]);}return Fay$$list([x,y,z]);throw ["unhandled case in Ident \"matchSplit\"",[$_a]];});};var matchNested = function($_a){return new $(function(){var a = Fay$$index(0)(_($_a));var b = Fay$$index(1)(_($_a));var $tmp = _(Fay$$index(1)(_($_a)));if ($tmp instanceof Fay$$Cons) {var x = $tmp.car;var xs = $tmp.cdr;return Fay$$list([b,x,xs]);}return Fay$$list([b,x,xs]);throw ["unhandled case in Ident \"matchNested\"",[$_a]];});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var main = new $(function(){return _(_($62$$62$)(_(_($36$)(print))(_(_($36$)(show))(_(matchSame)(Fay$$list([1,2,3]))))))(_(_($62$$62$)(_(_($36$)(print))(_(_($36$)(show))(_(matchSplit)(Fay$$list([1,2,3]))))))(_(_($36$)(print))(_(_($36$)(show))(_(matchNested)(Fay$$list([1,Fay$$list([1,2,3])]))))));});var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var matchSame = function($36$_a){return new $(function(){var x = $36$_a;var y = $36$_a;return Fay$$list([x,y]);return Fay$$list([x,y]);throw ["unhandled case in Ident \"matchSame\"",[$36$_a]];});};var matchSplit = function($36$_a){return new $(function(){var x = $36$_a;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var y = $36$_$36$_a.car;var z = $36$_$36$_a.cdr;return Fay$$list([x,y,z]);}return Fay$$list([x,y,z]);throw ["unhandled case in Ident \"matchSplit\"",[$36$_a]];});};var matchNested = function($36$_a){return new $(function(){var a = Fay$$index(0)(_($36$_a));var b = Fay$$index(1)(_($36$_a));var $tmp = _(Fay$$index(1)(_($36$_a)));if ($tmp instanceof Fay$$Cons) {var x = $tmp.car;var xs = $tmp.cdr;return Fay$$list([b,x,xs]);}return Fay$$list([b,x,xs]);throw ["unhandled case in Ident \"matchNested\"",[$36$_a]];});};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var main = new $(function(){return _(_($62$$62$)(_(_($36$)(print))(_(_($36$)(show))(_(matchSame)(Fay$$list([1,2,3]))))))(_(_($62$$62$)(_(_($36$)(print))(_(_($36$)(show))(_(matchSplit)(Fay$$list([1,2,3]))))))(_(_($36$)(print))(_(_($36$)(show))(_(matchNested)(Fay$$list([1,Fay$$list([1,2,3])]))))));});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -476,6 +530,6 @@
 
 };
 ;
-var main = new Test();
+var main = new AsPatternMatch();
 main._(main.main);
 
diff --git a/tests/basicFunctions.hs b/tests/basicFunctions.hs
--- a/tests/basicFunctions.hs
+++ b/tests/basicFunctions.hs
@@ -1,11 +1,16 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-main = print (concat ["Hello, ","World!"])
+module BasicFunctions where
 
-concat = foldr append []
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
 
-foldr f z []     = z
-foldr f z (x:xs) = f x (foldr f z xs)
+main = print (concat' ["Hello, ","World!"])
+
+concat' = foldr' append []
+
+foldr' f z []     = z
+foldr' f z (x:xs) = f x (foldr f z xs)
 
 append (x:xs) ys = x : append xs ys
 append []     ys = ys
diff --git a/tests/basicFunctions.js b/tests/basicFunctions.js
--- a/tests/basicFunctions.js
+++ b/tests/basicFunctions.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var BasicFunctions = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,58 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(concat)(Fay$$list([Fay$$list("Hello, "),Fay$$list("World!")])));});var concat = new $(function(){return _(_(foldr)(append))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;var f = $_a;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var append = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(append)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"append\"",[$_a,$_b]];});};};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(concat$39$)(Fay$$list([Fay$$list("Hello, "),Fay$$list("World!")])));});var concat$39$ = new $(function(){return _(_(foldr$39$)(append))(null);});var foldr$39$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;var f = $36$_a;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr'\"",[$36$_a,$36$_b,$36$_c]];});};};};var append = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(append)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"append\"",[$36$_a,$36$_b]];});};};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
+this.append = append;
+this.foldr$39$ = foldr$39$;
+this.concat$39$ = concat$39$;
 this.main = main;
 
 // Built-ins
@@ -429,6 +530,6 @@
 
 };
 ;
-var main = new Main();
+var main = new BasicFunctions();
 main._(main.main);
 
diff --git a/tests/case.hs b/tests/case.hs
--- a/tests/case.hs
+++ b/tests/case.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Case where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (case True of
                True -> "Hello!"
                False -> "Ney!")
diff --git a/tests/case.js b/tests/case.js
--- a/tests/case.js
+++ b/tests/case.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Case = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)((function($_true){if (_($_true) === true) {return Fay$$list("Hello!");}if (_($_true) === false) {return Fay$$list("Ney!");}return (function(){ throw (["unhandled case",$_true]); })();})(true));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)((function($tmp){if (_($tmp) === true) {return Fay$$list("Hello!");}if (_($tmp) === false) {return Fay$$list("Ney!");}return (function(){ throw (["unhandled case",$tmp]); })();})(true));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Case();
 main._(main.main);
 
diff --git a/tests/case2.hs b/tests/case2.hs
--- a/tests/case2.hs
+++ b/tests/case2.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Case2 where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (case False of
                True -> "Hello!"
                False -> "Ney!")
diff --git a/tests/case2.js b/tests/case2.js
--- a/tests/case2.js
+++ b/tests/case2.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Case2 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)((function($_false){if (_($_false) === true) {return Fay$$list("Hello!");}if (_($_false) === false) {return Fay$$list("Ney!");}return (function(){ throw (["unhandled case",$_false]); })();})(false));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)((function($tmp){if (_($tmp) === true) {return Fay$$list("Hello!");}if (_($tmp) === false) {return Fay$$list("Ney!");}return (function(){ throw (["unhandled case",$tmp]); })();})(false));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Case2();
 main._(main.main);
 
diff --git a/tests/caseList.hs b/tests/caseList.hs
--- a/tests/caseList.hs
+++ b/tests/caseList.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module CaseList where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (case [1,2,3,4,5] of
   [1,2,3,4,6] -> "6!"
   [1,2,4,2,4] -> "a!"
diff --git a/tests/caseList.js b/tests/caseList.js
--- a/tests/caseList.js
+++ b/tests/caseList.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var CaseList = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)((function($tmp){if (_(Fay$$index(0)(_($tmp))) === 1) {if (_(Fay$$index(1)(_($tmp))) === 2) {if (_(Fay$$index(2)(_($tmp))) === 3) {if (_(Fay$$index(3)(_($tmp))) === 4) {if (_(Fay$$index(4)(_($tmp))) === 6) {return Fay$$list("6!");}}}if (_(Fay$$index(2)(_($tmp))) === 4) {if (_(Fay$$index(3)(_($tmp))) === 2) {if (_(Fay$$index(4)(_($tmp))) === 4) {return Fay$$list("a!");}}}if (_(Fay$$index(2)(_($tmp))) === 3) {if (_(Fay$$index(3)(_($tmp))) === 4) {if (_(Fay$$index(4)(_($tmp))) === 5) {return Fay$$list("OK.");}}}}}return Fay$$list("Broken.");})(Fay$$list([1,2,3,4,5])));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)((function($tmp){if (_(Fay$$index(0)(_($tmp))) === 1) {if (_(Fay$$index(1)(_($tmp))) === 2) {if (_(Fay$$index(2)(_($tmp))) === 3) {if (_(Fay$$index(3)(_($tmp))) === 4) {if (_(Fay$$index(4)(_($tmp))) === 6) {return Fay$$list("6!");}}}if (_(Fay$$index(2)(_($tmp))) === 4) {if (_(Fay$$index(3)(_($tmp))) === 2) {if (_(Fay$$index(4)(_($tmp))) === 4) {return Fay$$list("a!");}}}if (_(Fay$$index(2)(_($tmp))) === 3) {if (_(Fay$$index(3)(_($tmp))) === 4) {if (_(Fay$$index(4)(_($tmp))) === 5) {return Fay$$list("OK.");}}}}}return Fay$$list("Broken.");})(Fay$$list([1,2,3,4,5])));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new CaseList();
 main._(main.main);
 
diff --git a/tests/caseWildcard.hs b/tests/caseWildcard.hs
--- a/tests/caseWildcard.hs
+++ b/tests/caseWildcard.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module CaseWildCard where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (case False of
                True -> "Hello!"
                _    -> "Ney!")
diff --git a/tests/caseWildcard.js b/tests/caseWildcard.js
--- a/tests/caseWildcard.js
+++ b/tests/caseWildcard.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var CaseWildCard = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)((function($_false){if (_($_false) === true) {return Fay$$list("Hello!");}return Fay$$list("Ney!");})(false));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)((function($tmp){if (_($tmp) === true) {return Fay$$list("Hello!");}return Fay$$list("Ney!");})(false));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new CaseWildCard();
 main._(main.main);
 
diff --git a/tests/do.hs b/tests/do.hs
--- a/tests/do.hs
+++ b/tests/do.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Do where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = do print "Hello,"; print "World!"
 
 print :: String -> Fay ()
diff --git a/tests/do.js b/tests/do.js
--- a/tests/do.js
+++ b/tests/do.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Do = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$)(_(print)(Fay$$list("Hello,"))))(_(print)(Fay$$list("World!")));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$)(_(print)(Fay$$list("Hello,"))))(_(print)(Fay$$list("World!")));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Do();
 main._(main.main);
 
diff --git a/tests/doAssingPatternMatch.hs b/tests/doAssingPatternMatch.hs
--- a/tests/doAssingPatternMatch.hs
+++ b/tests/doAssingPatternMatch.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module DoAssignPatternMatch where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = do
   [1,2] <- return [1,2]
   print "OK."
diff --git a/tests/doAssingPatternMatch.js b/tests/doAssingPatternMatch.js
--- a/tests/doAssingPatternMatch.js
+++ b/tests/doAssingPatternMatch.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var DoAssignPatternMatch = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$$61$)(_($_return)(Fay$$list([1,2]))))(function($_a){if (_(Fay$$index(0)(_($_a))) === 1) {if (_(Fay$$index(1)(_($_a))) === 2) {return _(print)(Fay$$list("OK."));}}throw ["unhandled case",$_a];});});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$$61$)(_($_return)(Fay$$list([1,2]))))(function($36$_a){if (_(Fay$$index(0)(_($36$_a))) === 1) {if (_(Fay$$index(1)(_($36$_a))) === 2) {return _(print)(Fay$$list("OK."));}}throw ["unhandled case",$36$_a];});});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new DoAssignPatternMatch();
 main._(main.main);
 
diff --git a/tests/doBindAssign.hs b/tests/doBindAssign.hs
--- a/tests/doBindAssign.hs
+++ b/tests/doBindAssign.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module DoBindAssign where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = do
   x <- return "Hello, World!" >>= return
   print x
diff --git a/tests/doBindAssign.js b/tests/doBindAssign.js
--- a/tests/doBindAssign.js
+++ b/tests/doBindAssign.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var DoBindAssign = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$$61$)(_(_($62$$62$$61$)(_($_return)(Fay$$list("Hello, World!"))))($_return)))(function($_a){var x = $_a;return _(print)(x);});});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$$61$)(_(_($62$$62$$61$)(_($_return)(Fay$$list("Hello, World!"))))($_return)))(function($36$_a){var x = $36$_a;return _(print)(x);});});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new DoBindAssign();
 main._(main.main);
 
diff --git a/tests/emptyMain.hs b/tests/emptyMain.hs
--- a/tests/emptyMain.hs
+++ b/tests/emptyMain.hs
@@ -1,3 +1,8 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module EmptyMain where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = return ()
diff --git a/tests/emptyMain.js b/tests/emptyMain.js
--- a/tests/emptyMain.js
+++ b/tests/emptyMain.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var EmptyMain = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,54 @@
  * Application code.
  */
 
-var main = new $(function(){return _($_return)(Fay$$unit);});var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _($_return)(Fay$$unit);});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
 this.main = main;
 
 // Built-ins
@@ -429,6 +526,6 @@
 
 };
 ;
-var main = new Main();
+var main = new EmptyMain();
 main._(main.main);
 
diff --git a/tests/fix.hs b/tests/fix.hs
--- a/tests/fix.hs
+++ b/tests/fix.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Fix where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print (head (tail (fix (\xs -> 123 : xs))))
 
 print :: Double -> Fay ()
diff --git a/tests/fix.js b/tests/fix.js
--- a/tests/fix.js
+++ b/tests/fix.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Fix = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,58 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(head)(_(tail)(_(fix)(function($_a){var xs = $_a;return _(_(Fay$$cons)(123))(xs);}))));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var head = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return x;}throw ["unhandled case in Ident \"head\"",[$_a]];});};var fix = function($_a){return new $(function(){var f = $_a;return (function(){var x = new $(function(){return _(f)(x);});return x;})();});};var tail = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var xs = $_$_a.cdr;return xs;}throw ["unhandled case in Ident \"tail\"",[$_a]];});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(head)(_(tail)(_(fix)(function($36$_a){var xs = $36$_a;return _(_(Fay$$cons)(123))(xs);}))));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var head = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return x;}throw ["unhandled case in Ident \"head\"",[$36$_a]];});};var fix = function($36$_a){return new $(function(){var f = $36$_a;return (function(){var x = new $(function(){return _(f)(x);});return x;})();});};var tail = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return xs;}throw ["unhandled case in Ident \"tail\"",[$36$_a]];});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.tail = tail;
+this.fix = fix;
+this.head = head;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +530,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Fix();
 main._(main.main);
 
diff --git a/tests/fromInteger.hs b/tests/fromInteger.hs
--- a/tests/fromInteger.hs
+++ b/tests/fromInteger.hs
@@ -1,6 +1,6 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-module Test where
+module FromInteger where
 
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
diff --git a/tests/fromInteger.js b/tests/fromInteger.js
--- a/tests/fromInteger.js
+++ b/tests/fromInteger.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Test = function(){
+var FromInteger = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var main = new $(function(){return _(_($36$)(print))(_(_($36$)(show))(_(fromInteger)(5)));});var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var main = new $(function(){return _(_($36$)(print))(_(_($36$)(show))(_(fromInteger)(5)));});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -473,6 +527,6 @@
 
 };
 ;
-var main = new Test();
+var main = new FromInteger();
 main._(main.main);
 
diff --git a/tests/infixDataConst b/tests/infixDataConst
--- a/tests/infixDataConst
+++ b/tests/infixDataConst
@@ -1,1 +1,3 @@
-{"instance":"$58$$61$$62$","slot1":{"instance":"InfixConst1","slot1":123,"slot2":123},"slot2":{"instance":"InfixConst2","slot1":false,"slot2":true}}
+{ instance: '$58$$61$$62$',
+  slot1: { instance: 'InfixConst1', slot1: 123, slot2: 123 },
+  slot2: { instance: 'InfixConst2', slot1: false, slot2: true } }
diff --git a/tests/infixDataConst.hs b/tests/infixDataConst.hs
--- a/tests/infixDataConst.hs
+++ b/tests/infixDataConst.hs
@@ -1,21 +1,23 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
-import Language.Fay.FFI
-import Language.Fay.Prelude
+module Test where
 
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
 
+
 data Ty1 = Integer `InfixConst1` Integer
-    deriving Show
+instance Foreign Ty1
 
 data Ty2 = Bool `InfixConst2` Bool
-    deriving Show
+instance Foreign Ty2
 
 data Ty3 = Ty1 :=> Ty2
+instance Foreign Ty3
 
 t = (123 `InfixConst1` 123) :=> (False `InfixConst2` True)
 
-main = do
-  print (show t)
+main = print t
 
-print :: String -> Fay ()
+print :: Ty3 -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/infixDataConst.js b/tests/infixDataConst.js
--- a/tests/infixDataConst.js
+++ b/tests/infixDataConst.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Test = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,9 +468,57 @@
  * Application code.
  */
 
-var $_InfixConst1 = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var InfixConst1 = function(slot1){return function(slot2){return new $(function(){return new $_InfixConst1(slot1,slot2);});};};var $_InfixConst2 = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var InfixConst2 = function(slot1){return function(slot2){return new $(function(){return new $_InfixConst2(slot1,slot2);});};};var $_$58$$61$$62$ = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var $58$$61$$62$ = function(slot1){return function(slot2){return new $(function(){return new $_$58$$61$$62$(slot1,slot2);});};};var t = new $(function(){return _(_($58$$61$$62$)(_(_(InfixConst1)(123))(123)))(_(_(InfixConst2)(false))(true));});var main = new $(function(){return _(print)(_(show)(t));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_$58$$61$$62$) {return {"instance": "$58$$61$$62$","slot1": Fay$$fayToJs(["user","Ty1",[]],_(_obj.slot1)),"slot2": Fay$$fayToJs(["user","Ty2",[]],_(_obj.slot2))};}if (_obj instanceof $_InfixConst2) {return {"instance": "InfixConst2","slot1": Fay$$fayToJs(["bool"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["bool"],_(_obj.slot2))};}if (_obj instanceof $_InfixConst1) {return {"instance": "InfixConst1","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1)),"slot2": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot2))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "$58$$61$$62$") {return new $_$58$$61$$62$(Fay$$jsToFay(["user","Ty1",[]],obj["slot1"]),Fay$$jsToFay(["user","Ty2",[]],obj["slot2"]));}if (obj["instance"] === "InfixConst2") {return new $_InfixConst2(Fay$$jsToFay(["bool"],obj["slot1"]),Fay$$jsToFay(["bool"],obj["slot2"]));}if (obj["instance"] === "InfixConst1") {return new $_InfixConst1(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]),Fay$$jsToFay(["user","Integer",[]],obj["slot2"]));}return obj;};
+var $36$_InfixConst1 = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var InfixConst1 = function(slot1){return function(slot2){return new $(function(){return new $36$_InfixConst1(slot1,slot2);});};};var $36$_InfixConst2 = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var InfixConst2 = function(slot1){return function(slot2){return new $(function(){return new $36$_InfixConst2(slot1,slot2);});};};var $36$_$36$58$36$$36$61$36$$36$62$36$ = function(slot1,slot2){this.slot1 = slot1;this.slot2 = slot2;};var $58$$61$$62$ = function(slot1){return function(slot2){return new $(function(){return new $36$_$36$58$36$$36$61$36$$36$62$36$(slot1,slot2);});};};var t = new $(function(){return _(_($58$$61$$62$)(_(_(InfixConst1)(123))(123)))(_(_(InfixConst2)(false))(true));});var main = new $(function(){return _(print)(t);});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["user","Ty3",[]],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_$36$58$36$$36$61$36$$36$62$36$) {return {"instance": "$58$$61$$62$","slot1": Fay$$fayToJs(["user","Ty1",[]],_(_obj.slot1)),"slot2": Fay$$fayToJs(["user","Ty2",[]],_(_obj.slot2))};}if (_obj instanceof $36$_InfixConst2) {return {"instance": "InfixConst2","slot1": Fay$$fayToJs(["bool"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["bool"],_(_obj.slot2))};}if (_obj instanceof $36$_InfixConst1) {return {"instance": "InfixConst1","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1)),"slot2": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot2))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "$58$$61$$62$") {return new $36$_$36$58$36$$36$61$36$$36$62$36$(Fay$$jsToFay(["user","Ty1",[]],obj["slot1"]),Fay$$jsToFay(["user","Ty2",[]],obj["slot2"]));}if (obj["instance"] === "InfixConst2") {return new $36$_InfixConst2(Fay$$jsToFay(["bool"],obj["slot1"]),Fay$$jsToFay(["bool"],obj["slot2"]));}if (obj["instance"] === "InfixConst1") {return new $36$_InfixConst1(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]),Fay$$jsToFay(["user","Integer",[]],obj["slot2"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
+this.t = t;
 
 // Built-ins
 this._ = _;
@@ -429,6 +528,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Test();
 main._(main.main);
 
diff --git a/tests/ints b/tests/ints
new file mode 100644
--- /dev/null
+++ b/tests/ints
@@ -0,0 +1,1 @@
+123
diff --git a/tests/ints.hs b/tests/ints.hs
new file mode 100644
--- /dev/null
+++ b/tests/ints.hs
@@ -0,0 +1,13 @@
+{-# LANGUAGE NoImplicitPrelude #-}
+
+module Ints where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
+main = do
+  print 123
+
+-- | Print using console.log.
+print :: Int -> Fay ()
+print = ffi "console.log(%1)"
diff --git a/tests/mutableReference.hs b/tests/mutableReference.hs
--- a/tests/mutableReference.hs
+++ b/tests/mutableReference.hs
@@ -3,7 +3,7 @@
 {-# LANGUAGE EmptyDataDecls    #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 
-module Ref where
+module MutableReference where
 
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
diff --git a/tests/mutableReference.js b/tests/mutableReference.js
--- a/tests/mutableReference.js
+++ b/tests/mutableReference.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Ref = function(){
+var MutableReference = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$$61$)(_(newRef)(Fay$$list("Hello, World!"))))(function($_a){var ref = $_a;return _(_($62$$62$$61$)(_(readRef)(ref)))(function($_a){var x = $_a;return _(_($62$$62$)(_(_(writeRef)(ref))(Fay$$list("Hai!"))))(_(_($62$$62$$61$)(_(readRef)(ref)))(print));});});});var newRef = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["user","Ref",[["unknown"]]]]],new Fay$$Ref(Fay$$fayToJs(["unknown"],$_a)));});};var writeRef = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],Fay$$writeRef(Fay$$fayToJs(["user","Ref",[["unknown"]]],$_a),Fay$$fayToJs(["unknown"],$_b)));});};};var readRef = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],Fay$$readRef(Fay$$fayToJs(["user","Ref",[["unknown"]]],$_a)));});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$$61$)(_(newRef)(Fay$$list("Hello, World!"))))(function($36$_a){var ref = $36$_a;return _(_($62$$62$$61$)(_(readRef)(ref)))(function($36$_a){var x = $36$_a;return _(_($62$$62$)(_(_(writeRef)(ref))(Fay$$list("Hai!"))))(_(_($62$$62$$61$)(_(readRef)(ref)))(print));});});});var newRef = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["user","Ref",[["unknown"]]]]],new Fay$$Ref(Fay$$fayToJs(["unknown"],$36$_a)));});};var writeRef = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],Fay$$writeRef(Fay$$fayToJs(["user","Ref",[["unknown"]]],$36$_a),Fay$$fayToJs(["unknown"],$36$_b)));});};};var readRef = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],Fay$$readRef(Fay$$fayToJs(["user","Ref",[["unknown"]]],$36$_a)));});};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -476,6 +530,6 @@
 
 };
 ;
-var main = new Ref();
+var main = new MutableReference();
 main._(main.main);
 
diff --git a/tests/patternGuards b/tests/patternGuards
--- a/tests/patternGuards
+++ b/tests/patternGuards
@@ -1,3 +1,3 @@
-[true,false]
-[2,1,0]
-[true,false]
+[ true, false ]
+[ 2, 1, 0 ]
+[ true, false ]
diff --git a/tests/patternGuards.hs b/tests/patternGuards.hs
--- a/tests/patternGuards.hs
+++ b/tests/patternGuards.hs
@@ -1,6 +1,8 @@
+{-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE NoImplicitPrelude #-}
-module Test where
 
+module PatternGuards where
+
 -- | As pattern matches
 
 import           Language.Fay.FFI
@@ -20,14 +22,13 @@
 -- Not called, throws "non-exhaustive guard"
 nonExhaustive x | x > 1 = True
 
-print :: String -> Fay ()
-print = ffi "console.log(%1)"
+printD :: [Double] -> Fay ()
+printD = ffi "console.log(%1)"
+printB :: [Bool] -> Fay ()
+printB = ffi "console.log(%1)"
 
 main :: Fay ()
 main = do
-  print $ showList $ (isPositive 1, isPositive 0)
-  print $ showList $ (threeConds 3, threeConds 1, threeConds 0)
-  print $ showList $ (withOtherwise 2, withOtherwise 0)
-
-showList :: Foreign a => [a] -> String
-showList = ffi "JSON.stringify(%1)"
+  printB [isPositive 1, isPositive 0]
+  printD [threeConds 3, threeConds 1, threeConds 0]
+  printB [withOtherwise 2, withOtherwise 0]
diff --git a/tests/patternGuards.js b/tests/patternGuards.js
--- a/tests/patternGuards.js
+++ b/tests/patternGuards.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Test = function(){
+var PatternGuards = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var isPositive = function($_a){return new $(function(){var x = $_a;return _(_(x) > 0) ? true : _(_(_(Fay$$lte)(x))(0)) ? false : (function(){ throw ("Non-exhaustive guards"); })();});};var threeConds = function($_a){return new $(function(){var x = $_a;return _(_(x) > 1) ? 2 : _(_(_(Fay$$eq)(x))(1)) ? 1 : _(_(x) < 1) ? 0 : (function(){ throw ("Non-exhaustive guards"); })();});};var withOtherwise = function($_a){return new $(function(){var x = $_a;return _(_(x) > 1) ? true : false;});};var nonExhaustive = function($_a){return new $(function(){var x = $_a;return _(_(x) > 1) ? true : (function(){ throw ("Non-exhaustive guards"); })();});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var main = new $(function(){return _(_($62$$62$)(_(_($36$)(print))(_(_($36$)(showList))(Fay$$list([_(isPositive)(1),_(isPositive)(0)])))))(_(_($62$$62$)(_(_($36$)(print))(_(_($36$)(showList))(Fay$$list([_(threeConds)(3),_(threeConds)(1),_(threeConds)(0)])))))(_(_($36$)(print))(_(_($36$)(showList))(Fay$$list([_(withOtherwise)(2),_(withOtherwise)(0)])))));});var showList = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["list",[["unknown"]]],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var isPositive = function($36$_a){return new $(function(){var x = $36$_a;return _(_(Fay$$gt)(_(x))(0)) ? true : _(_(_(Fay$$lte)(x))(0)) ? false : (function(){ throw ("Non-exhaustive guards"); })();});};var threeConds = function($36$_a){return new $(function(){var x = $36$_a;return _(_(Fay$$gt)(_(x))(1)) ? 2 : _(_(_(Fay$$eq)(x))(1)) ? 1 : _(_(Fay$$lt)(_(x))(1)) ? 0 : (function(){ throw ("Non-exhaustive guards"); })();});};var withOtherwise = function($36$_a){return new $(function(){var x = $36$_a;return _(_(Fay$$gt)(_(x))(1)) ? true : false;});};var nonExhaustive = function($36$_a){return new $(function(){var x = $36$_a;return _(_(Fay$$gt)(_(x))(1)) ? true : (function(){ throw ("Non-exhaustive guards"); })();});};var printD = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["list",[["double"]]],$36$_a)));});};var printB = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["list",[["bool"]]],$36$_a)));});};var main = new $(function(){return _(_($62$$62$)(_(printB)(Fay$$list([_(isPositive)(1),_(isPositive)(0)]))))(_(_($62$$62$)(_(printD)(Fay$$list([_(threeConds)(3),_(threeConds)(1),_(threeConds)(0)]))))(_(printB)(Fay$$list([_(withOtherwise)(2),_(withOtherwise)(0)]))));});var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
@@ -462,9 +516,9 @@
 this.fromRational = fromRational;
 this.fromInteger = fromInteger;
 this.show = show;
-this.showList = showList;
 this.main = main;
-this.print = print;
+this.printB = printB;
+this.printD = printD;
 this.nonExhaustive = nonExhaustive;
 this.withOtherwise = withOtherwise;
 this.threeConds = threeConds;
@@ -478,6 +532,6 @@
 
 };
 ;
-var main = new Test();
+var main = new PatternGuards();
 main._(main.main);
 
diff --git a/tests/patternMatchFail.hs b/tests/patternMatchFail.hs
--- a/tests/patternMatchFail.hs
+++ b/tests/patternMatchFail.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module PatternMatchFail where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print ((\a 'a' -> "OK.") 0 'b')
 
 print :: String -> Fay ()
diff --git a/tests/patternMatchFail.js b/tests/patternMatchFail.js
--- a/tests/patternMatchFail.js
+++ b/tests/patternMatchFail.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var PatternMatchFail = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(_(function($_a){var a = $_a;return function($_b){if (_($_b) === "a") {return Fay$$list("OK.");}throw ["unhandled case",$_b];};throw ["unhandled case",$_a];})(0))("b"));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(_(function($36$_a){var a = $36$_a;return function($36$_b){if (_($36$_b) === "a") {return Fay$$list("OK.");}throw ["unhandled case",$36$_b];};throw ["unhandled case",$36$_a];})(0))("b"));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new PatternMatchFail();
 main._(main.main);
 
diff --git a/tests/recordFunctionPatternMatch.hs b/tests/recordFunctionPatternMatch.hs
--- a/tests/recordFunctionPatternMatch.hs
+++ b/tests/recordFunctionPatternMatch.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecordFunctionPatternMatch where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data Person = Person String String Int
 
 main = print (foo (Person "Chris" "Done" 14))
diff --git a/tests/recordFunctionPatternMatch.js b/tests/recordFunctionPatternMatch.js
--- a/tests/recordFunctionPatternMatch.js
+++ b/tests/recordFunctionPatternMatch.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecordFunctionPatternMatch = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,56 @@
  * Application code.
  */
 
-var $_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)(_(foo)(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var foo = function($_a){return new $(function(){if (_($_a) instanceof $_Person) {if (Fay$$equal(_($_a).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($_a).slot2,Fay$$list("Done"))) {if (_(_($_a).slot3) === 13) {return Fay$$list("Foo!");}}if (Fay$$equal(_($_a).slot2,Fay$$list("Barf"))) {if (_(_($_a).slot3) === 14) {return Fay$$list("Bar!");}}if (Fay$$equal(_($_a).slot2,Fay$$list("Done"))) {if (_(_($_a).slot3) === 14) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["user","Int",[]],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["user","Int",[]],obj["slot3"]));}return obj;};
+var $36$_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $36$_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)(_(foo)(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var foo = function($36$_a){return new $(function(){if (_($36$_a) instanceof $36$_Person) {if (Fay$$equal(_($36$_a).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($36$_a).slot2,Fay$$list("Done"))) {if (_(_($36$_a).slot3) === 13) {return Fay$$list("Foo!");}}if (Fay$$equal(_($36$_a).slot2,Fay$$list("Barf"))) {if (_(_($36$_a).slot3) === 14) {return Fay$$list("Bar!");}}if (Fay$$equal(_($36$_a).slot2,Fay$$list("Done"))) {if (_(_($36$_a).slot3) === 14) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");});};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["int"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $36$_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["int"],obj["slot3"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
+this.foo = foo;
 this.main = main;
 
 // Built-ins
@@ -429,6 +528,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecordFunctionPatternMatch();
 main._(main.main);
 
diff --git a/tests/recordPatternMatch.hs b/tests/recordPatternMatch.hs
--- a/tests/recordPatternMatch.hs
+++ b/tests/recordPatternMatch.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecordPatternMatch where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data Person = Person String String Int
 
 main = print (case Person "Chris" "Done" 14 of
diff --git a/tests/recordPatternMatch.js b/tests/recordPatternMatch.js
--- a/tests/recordPatternMatch.js
+++ b/tests/recordPatternMatch.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecordPatternMatch = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var $_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)((function($tmp){if (_($tmp) instanceof $_Person) {if (Fay$$equal(_($tmp).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 13) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");})(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["user","Int",[]],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["user","Int",[]],obj["slot3"]));}return obj;};
+var $36$_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $36$_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)((function($tmp){if (_($tmp) instanceof $36$_Person) {if (Fay$$equal(_($tmp).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 13) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");})(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["int"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $36$_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["int"],obj["slot3"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecordPatternMatch();
 main._(main.main);
 
diff --git a/tests/recordPatternMatch2.hs b/tests/recordPatternMatch2.hs
--- a/tests/recordPatternMatch2.hs
+++ b/tests/recordPatternMatch2.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecordPatternMatch2 where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data Person = Person String String Int
 
 main = print (case Person "Chris" "Done" 14 of
diff --git a/tests/recordPatternMatch2.js b/tests/recordPatternMatch2.js
--- a/tests/recordPatternMatch2.js
+++ b/tests/recordPatternMatch2.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecordPatternMatch2 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var $_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)((function($tmp){if (_($tmp) instanceof $_Person) {if (Fay$$equal(_($tmp).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 13) {return Fay$$list("Foo!");}}if (Fay$$equal(_($tmp).slot2,Fay$$list("Barf"))) {if (_(_($tmp).slot3) === 14) {return Fay$$list("Bar!");}}if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 14) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");})(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["user","Int",[]],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["user","Int",[]],obj["slot3"]));}return obj;};
+var $36$_Person = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $36$_Person(slot1,slot2,slot3);});};};};var main = new $(function(){return _(print)((function($tmp){if (_($tmp) instanceof $36$_Person) {if (Fay$$equal(_($tmp).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 13) {return Fay$$list("Foo!");}}if (Fay$$equal(_($tmp).slot2,Fay$$list("Barf"))) {if (_(_($tmp).slot3) === 14) {return Fay$$list("Bar!");}}if (Fay$$equal(_($tmp).slot2,Fay$$list("Done"))) {if (_(_($tmp).slot3) === 14) {return Fay$$list("Hello!");}}}}return Fay$$list("World!");})(_(_(_(Person)(Fay$$list("Chris")))(Fay$$list("Done")))(14)));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_Person) {return {"instance": "Person","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["int"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person") {return new $36$_Person(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["int"],obj["slot3"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecordPatternMatch2();
 main._(main.main);
 
diff --git a/tests/recordUseBeforeDefine.hs b/tests/recordUseBeforeDefine.hs
--- a/tests/recordUseBeforeDefine.hs
+++ b/tests/recordUseBeforeDefine.hs
@@ -1,15 +1,20 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module RecordUseBeforeDefine where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 import           Hierarchical.RecordDefined
 
-f :: R -> Integer
+f :: R -> Double
 f (R i) = i
 
 main = do
   print $ f (R 1)
   print $ g (Callback 1)
 
-data R = R Integer
+data R = R Double
 
 print :: Double -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/recordUseBeforeDefine.js b/tests/recordUseBeforeDefine.js
--- a/tests/recordUseBeforeDefine.js
+++ b/tests/recordUseBeforeDefine.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var RecordUseBeforeDefine = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,9 +468,57 @@
  * Application code.
  */
 
-var $_Callback = function(slot1){this.slot1 = slot1;};var Callback = function(slot1){return new $(function(){return new $_Callback(slot1);});};var g = function($_a){return new $(function(){if (_($_a) instanceof $_Callback) {var a = _($_a).slot1;return a;}throw ["unhandled case in Ident \"g\"",[$_a]];});};var f = function($_a){return new $(function(){if (_($_a) instanceof $_R) {var i = _($_a).slot1;return i;}throw ["unhandled case in Ident \"f\"",[$_a]];});};var main = new $(function(){return _(_($62$$62$)(_(_($36$)(print))(_(f)(_(R)(1)))))(_(_($36$)(print))(_(g)(_(Callback)(1))));});var $_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $_R(slot1);});};var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_R) {return {"instance": "R","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}if (_obj instanceof $_Callback) {return {"instance": "Callback","slot1": Fay$$fayToJs(["user","Integer",[]],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $_R(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}if (obj["instance"] === "Callback") {return new $_Callback(Fay$$jsToFay(["user","Integer",[]],obj["slot1"]));}return obj;};
+var $36$_Callback = function(slot1){this.slot1 = slot1;};var Callback = function(slot1){return new $(function(){return new $36$_Callback(slot1);});};var g = function($36$_a){return new $(function(){if (_($36$_a) instanceof $36$_Callback) {var a = _($36$_a).slot1;return a;}throw ["unhandled case in Ident \"g\"",[$36$_a]];});};var f = function($36$_a){return new $(function(){if (_($36$_a) instanceof $36$_R) {var i = _($36$_a).slot1;return i;}throw ["unhandled case in Ident \"f\"",[$36$_a]];});};var main = new $(function(){return _(_($62$$62$)(_(_($36$)(print))(_(f)(_(R)(1)))))(_(_($36$)(print))(_(g)(_(Callback)(1))));});var $36$_R = function(slot1){this.slot1 = slot1;};var R = function(slot1){return new $(function(){return new $36$_R(slot1);});};var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_R) {return {"instance": "R","slot1": Fay$$fayToJs(["double"],_(_obj.slot1))};}if (_obj instanceof $36$_Callback) {return {"instance": "Callback","slot1": Fay$$fayToJs(["double"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "R") {return new $36$_R(Fay$$jsToFay(["double"],obj["slot1"]));}if (obj["instance"] === "Callback") {return new $36$_Callback(Fay$$jsToFay(["double"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
+this.f = f;
 
 // Built-ins
 this._ = _;
@@ -429,6 +528,6 @@
 
 };
 ;
-var main = new Main();
+var main = new RecordUseBeforeDefine();
 main._(main.main);
 
diff --git a/tests/records.hs b/tests/records.hs
--- a/tests/records.hs
+++ b/tests/records.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Records where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 data Person1 = Person1 String String Int
 data Person2 = Person2 { fname :: String, sname :: String, age :: Int }
 data Person3 = Person3 { slot3 :: String, slot2 :: String, slot1 :: Int }
diff --git a/tests/records.js b/tests/records.js
--- a/tests/records.js
+++ b/tests/records.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Records = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,9 +468,66 @@
  * Application code.
  */
 
-var $_Person1 = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person1 = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $_Person1(slot1,slot2,slot3);});};};};var $_Person2 = function(fname,sname,age){this.fname = fname;this.sname = sname;this.age = age;};var Person2 = function(fname){return function(sname){return function(age){return new $(function(){return new $_Person2(fname,sname,age);});};};};var fname = function(x){return new $(function(){return _(x).fname;});};var sname = function(x){return new $(function(){return _(x).sname;});};var age = function(x){return new $(function(){return _(x).age;});};var $_Person3 = function(slot3,slot2,slot1){this.slot3 = slot3;this.slot2 = slot2;this.slot1 = slot1;};var Person3 = function(slot3){return function(slot2){return function(slot1){return new $(function(){return new $_Person3(slot3,slot2,slot1);});};};};var slot3 = function(x){return new $(function(){return _(x).slot3;});};var slot2 = function(x){return new $(function(){return _(x).slot2;});};var slot1 = function(x){return new $(function(){return _(x).slot1;});};var p1 = new $(function(){return _(_(_(Person1)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var p2 = new $(function(){return _(_(_(Person2)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var p2a = new $(function(){var person2 = new $_Person2();person2.fname = Fay$$list("Chris");person2.sname = Fay$$list("Done");person2.age = 13;return person2;});var p3 = new $(function(){return _(_(_(Person3)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var main = new $(function(){return _(_($62$$62$)(_(print)((function($_p1){if (_($_p1) instanceof $_Person1) {if (Fay$$equal(_($_p1).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($_p1).slot2,Fay$$list("Done"))) {if (_(_($_p1).slot3) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$_p1]); })();})(p1))))(_(_($62$$62$)(_(print)((function($_p2){if (_($_p2) instanceof $_Person2) {if (Fay$$equal(_($_p2).fname,Fay$$list("Chris"))) {if (Fay$$equal(_($_p2).sname,Fay$$list("Done"))) {if (_(_($_p2).age) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$_p2]); })();})(p2))))(_(_($62$$62$)(_(print)((function($_p2a){if (_($_p2a) instanceof $_Person2) {if (Fay$$equal(_($_p2a).fname,Fay$$list("Chris"))) {if (Fay$$equal(_($_p2a).sname,Fay$$list("Done"))) {if (_(_($_p2a).age) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$_p2a]); })();})(p2a))))(_(print)((function($_p3){if (_($_p3) instanceof $_Person3) {if (Fay$$equal(_($_p3).slot3,Fay$$list("Chris"))) {if (Fay$$equal(_($_p3).slot2,Fay$$list("Done"))) {if (_(_($_p3).slot1) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$_p3]); })();})(p3)))));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $_Person3) {return {"instance": "Person3","slot3": Fay$$fayToJs(["string"],_(_obj.slot3)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot1": Fay$$fayToJs(["user","Int",[]],_(_obj.slot1))};}if (_obj instanceof $_Person2) {return {"instance": "Person2","fname": Fay$$fayToJs(["string"],_(_obj.fname)),"sname": Fay$$fayToJs(["string"],_(_obj.sname)),"age": Fay$$fayToJs(["user","Int",[]],_(_obj.age))};}if (_obj instanceof $_Person1) {return {"instance": "Person1","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["user","Int",[]],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person3") {return new $_Person3(Fay$$jsToFay(["string"],obj["slot3"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["user","Int",[]],obj["slot1"]));}if (obj["instance"] === "Person2") {return new $_Person2(Fay$$jsToFay(["string"],obj["fname"]),Fay$$jsToFay(["string"],obj["sname"]),Fay$$jsToFay(["user","Int",[]],obj["age"]));}if (obj["instance"] === "Person1") {return new $_Person1(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["user","Int",[]],obj["slot3"]));}return obj;};
+var $36$_Person1 = function(slot1,slot2,slot3){this.slot1 = slot1;this.slot2 = slot2;this.slot3 = slot3;};var Person1 = function(slot1){return function(slot2){return function(slot3){return new $(function(){return new $36$_Person1(slot1,slot2,slot3);});};};};var $36$_Person2 = function(fname,sname,age){this.fname = fname;this.sname = sname;this.age = age;};var Person2 = function(fname){return function(sname){return function(age){return new $(function(){return new $36$_Person2(fname,sname,age);});};};};var fname = function(x){return new $(function(){return _(x).fname;});};var sname = function(x){return new $(function(){return _(x).sname;});};var age = function(x){return new $(function(){return _(x).age;});};var $36$_Person3 = function(slot3,slot2,slot1){this.slot3 = slot3;this.slot2 = slot2;this.slot1 = slot1;};var Person3 = function(slot3){return function(slot2){return function(slot1){return new $(function(){return new $36$_Person3(slot3,slot2,slot1);});};};};var slot3 = function(x){return new $(function(){return _(x).slot3;});};var slot2 = function(x){return new $(function(){return _(x).slot2;});};var slot1 = function(x){return new $(function(){return _(x).slot1;});};var p1 = new $(function(){return _(_(_(Person1)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var p2 = new $(function(){return _(_(_(Person2)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var p2a = new $(function(){var person2 = new $36$_Person2();person2.fname = Fay$$list("Chris");person2.sname = Fay$$list("Done");person2.age = 13;return person2;});var p3 = new $(function(){return _(_(_(Person3)(Fay$$list("Chris")))(Fay$$list("Done")))(13);});var main = new $(function(){return _(_($62$$62$)(_(print)((function($36$_p1){if (_($36$_p1) instanceof $36$_Person1) {if (Fay$$equal(_($36$_p1).slot1,Fay$$list("Chris"))) {if (Fay$$equal(_($36$_p1).slot2,Fay$$list("Done"))) {if (_(_($36$_p1).slot3) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$36$_p1]); })();})(p1))))(_(_($62$$62$)(_(print)((function($36$_p2){if (_($36$_p2) instanceof $36$_Person2) {if (Fay$$equal(_($36$_p2).fname,Fay$$list("Chris"))) {if (Fay$$equal(_($36$_p2).sname,Fay$$list("Done"))) {if (_(_($36$_p2).age) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$36$_p2]); })();})(p2))))(_(_($62$$62$)(_(print)((function($36$_p2a){if (_($36$_p2a) instanceof $36$_Person2) {if (Fay$$equal(_($36$_p2a).fname,Fay$$list("Chris"))) {if (Fay$$equal(_($36$_p2a).sname,Fay$$list("Done"))) {if (_(_($36$_p2a).age) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$36$_p2a]); })();})(p2a))))(_(print)((function($36$_p3){if (_($36$_p3) instanceof $36$_Person3) {if (Fay$$equal(_($36$_p3).slot3,Fay$$list("Chris"))) {if (Fay$$equal(_($36$_p3).slot2,Fay$$list("Done"))) {if (_(_($36$_p3).slot1) === 13) {return Fay$$list("Hello!");}}}}return (function(){ throw (["unhandled case",$36$_p3]); })();})(p3)))));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}if (_obj instanceof $36$_Person3) {return {"instance": "Person3","slot3": Fay$$fayToJs(["string"],_(_obj.slot3)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot1": Fay$$fayToJs(["int"],_(_obj.slot1))};}if (_obj instanceof $36$_Person2) {return {"instance": "Person2","fname": Fay$$fayToJs(["string"],_(_obj.fname)),"sname": Fay$$fayToJs(["string"],_(_obj.sname)),"age": Fay$$fayToJs(["int"],_(_obj.age))};}if (_obj instanceof $36$_Person1) {return {"instance": "Person1","slot1": Fay$$fayToJs(["string"],_(_obj.slot1)),"slot2": Fay$$fayToJs(["string"],_(_obj.slot2)),"slot3": Fay$$fayToJs(["int"],_(_obj.slot3))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}if (obj["instance"] === "Person3") {return new $36$_Person3(Fay$$jsToFay(["string"],obj["slot3"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["int"],obj["slot1"]));}if (obj["instance"] === "Person2") {return new $36$_Person2(Fay$$jsToFay(["string"],obj["fname"]),Fay$$jsToFay(["string"],obj["sname"]),Fay$$jsToFay(["int"],obj["age"]));}if (obj["instance"] === "Person1") {return new $36$_Person1(Fay$$jsToFay(["string"],obj["slot1"]),Fay$$jsToFay(["string"],obj["slot2"]),Fay$$jsToFay(["int"],obj["slot3"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
+this.p3 = p3;
+this.p2a = p2a;
+this.p2 = p2;
+this.p1 = p1;
+this.slot1 = slot1;
+this.slot2 = slot2;
+this.slot3 = slot3;
+this.age = age;
+this.sname = sname;
+this.fname = fname;
 
 // Built-ins
 this._ = _;
@@ -429,6 +537,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Records();
 main._(main.main);
 
diff --git a/tests/reservedWords.hs b/tests/reservedWords.hs
--- a/tests/reservedWords.hs
+++ b/tests/reservedWords.hs
@@ -1,6 +1,8 @@
 {-# LANGUAGE EmptyDataDecls    #-}
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module ReservedWords where
+
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
 
diff --git a/tests/reservedWords.js b/tests/reservedWords.js
--- a/tests/reservedWords.js
+++ b/tests/reservedWords.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var ReservedWords = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$)((function(){var $_break = new $(function(){return Fay$$list("break");});return _(printS)($_break);})()))(_(_($62$$62$)((function(){var $_catch = new $(function(){return Fay$$list("catch");});return _(printS)($_catch);})()))(_(_($62$$62$)((function(){var $_const = new $(function(){return Fay$$list("const");});return _(printS)($_const);})()))(_(_($62$$62$)((function(){var $_continue = new $(function(){return Fay$$list("continue");});return _(printS)($_continue);})()))(_(_($62$$62$)((function(){var $_debugger = new $(function(){return Fay$$list("debugger");});return _(printS)($_debugger);})()))(_(_($62$$62$)((function(){var $_delete = new $(function(){return Fay$$list("delete");});return _(printS)($_delete);})()))(_(_($62$$62$)((function(){var $_enum = new $(function(){return Fay$$list("enum");});return _(printS)($_enum);})()))(_(_($62$$62$)((function(){var $_export = new $(function(){return Fay$$list("export");});return _(printS)($_export);})()))(_(_($62$$62$)((function(){var $_extends = new $(function(){return Fay$$list("extends");});return _(printS)($_extends);})()))(_(_($62$$62$)((function(){var $_finally = new $(function(){return Fay$$list("finally");});return _(printS)($_finally);})()))(_(_($62$$62$)((function(){var $_for = new $(function(){return Fay$$list("for");});return _(printS)($_for);})()))(_(_($62$$62$)((function(){var $_function = new $(function(){return Fay$$list("function");});return _(printS)($_function);})()))(_(_($62$$62$)((function(){var $_implements = new $(function(){return Fay$$list("implements");});return _(printS)($_implements);})()))(_(_($62$$62$)((function(){var $_instanceof = new $(function(){return Fay$$list("instanceof");});return _(printS)($_instanceof);})()))(_(_($62$$62$)((function(){var $_interface = new $(function(){return Fay$$list("interface");});return _(printS)($_interface);})()))(_(_($62$$62$)((function(){var $_new = new $(function(){return Fay$$list("new");});return _(printS)($_new);})()))(_(_($62$$62$)((function(){var $_null = new $(function(){return Fay$$list("null");});return _(printS)($_null);})()))(_(_($62$$62$)((function(){var $_package = new $(function(){return Fay$$list("package");});return _(printS)($_package);})()))(_(_($62$$62$)((function(){var $_private = new $(function(){return Fay$$list("private");});return _(printS)($_private);})()))(_(_($62$$62$)((function(){var $_protected = new $(function(){return Fay$$list("protected");});return _(printS)($_protected);})()))(_(_($62$$62$)((function(){var $_public = new $(function(){return Fay$$list("public");});return _(printS)($_public);})()))(_(_($62$$62$)((function(){var $_return = new $(function(){return Fay$$list("return");});return _(printS)($_return);})()))(_(_($62$$62$)((function(){var $_static = new $(function(){return Fay$$list("static");});return _(printS)($_static);})()))(_(_($62$$62$)((function(){var $_super = new $(function(){return Fay$$list("super");});return _(printS)($_super);})()))(_(_($62$$62$)((function(){var $_switch = new $(function(){return Fay$$list("switch");});return _(printS)($_switch);})()))(_(_($62$$62$)((function(){var $_this = new $(function(){return Fay$$list("this");});return _(printS)($_this);})()))(_(_($62$$62$)((function(){var $_throw = new $(function(){return Fay$$list("throw");});return _(printS)($_throw);})()))(_(_($62$$62$)((function(){var $_try = new $(function(){return Fay$$list("try");});return _(printS)($_try);})()))(_(_($62$$62$)((function(){var $_typeof = new $(function(){return Fay$$list("typeof");});return _(printS)($_typeof);})()))(_(_($62$$62$)((function(){var $_undefined = new $(function(){return Fay$$list("undefined");});return _(printS)($_undefined);})()))(_(_($62$$62$)((function(){var $_var = new $(function(){return Fay$$list("var");});return _(printS)($_var);})()))(_(_($62$$62$)((function(){var $_void = new $(function(){return Fay$$list("void");});return _(printS)($_void);})()))(_(_($62$$62$)((function(){var $_while = new $(function(){return Fay$$list("while");});return _(printS)($_while);})()))(_(_($62$$62$)((function(){var $_with = new $(function(){return Fay$$list("with");});return _(printS)($_with);})()))(_(_($62$$62$)((function(){var $_yield = new $(function(){return Fay$$list("yield");});return _(printS)($_yield);})()))(_(_($62$$62$)(_(printS)(Fay$$list(""))))(_(_($36$)(printS))(_(_($_const)(Fay$$list("stdconst")))(2))))))))))))))))))))))))))))))))))))));});var printS = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? 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LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.printS = printS;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new ReservedWords();
 main._(main.main);
 
diff --git a/tests/tailRecursion.hs b/tests/tailRecursion.hs
--- a/tests/tailRecursion.hs
+++ b/tests/tailRecursion.hs
@@ -14,7 +14,7 @@
 sum n acc = sum (n - 1) (acc + n)
 
 getSeconds :: Fay Double
-getSeconds = foreignFay "new Date"
+getSeconds = ffi "new Date"
 
 print :: Double -> Fay ()
 print = ffi "console.log(%1)"
diff --git a/tests/tailRecursion.js b/tests/tailRecursion.js
--- a/tests/tailRecursion.js
+++ b/tests/tailRecursion.js
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,11 @@
  * Application code.
  */
 
-var main = new $(function(){return _(print)(_(_(sum)(100000))(0));});var sum = function($_a){return function($_b){return new $(function(){var acc = $_b;if (_($_a) === 0) {return acc;}var acc = $_b;var n = $_a;return _(_(sum)(_(n) - 1))(_(acc) + _(n));});};};var getSeconds = new $(function(){return _(foreignFay)(Fay$$list("new Date"));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(print)(_(_(sum)(100000))(0));});var sum = function($36$_a){return function($36$_b){return new $(function(){var acc = $36$_b;if (_($36$_a) === 0) {return acc;}var acc = $36$_b;var n = $36$_a;return _(_(sum)(_(Fay$$sub)(_(n))(1)))(_(Fay$$add)(_(acc))(_(n)));});};};var getSeconds = new $(function(){return Fay$$jsToFay(["action",[["double"]]],new Date);});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["double"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
 this.max = max;
 this.min = min;
 this.mod = mod;
diff --git a/tests/then.hs b/tests/then.hs
--- a/tests/then.hs
+++ b/tests/then.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Then where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print "Hello," >> print "World!"
 
 print :: String -> Fay ()
diff --git a/tests/then.js b/tests/then.js
--- a/tests/then.js
+++ b/tests/then.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Then = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$)(_(print)(Fay$$list("Hello,"))))(_(print)(Fay$$list("World!")));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){return _(_($62$$62$)(_(print)(Fay$$list("Hello,"))))(_(print)(Fay$$list("World!")));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Then();
 main._(main.main);
 
diff --git a/tests/utf8 b/tests/utf8
--- a/tests/utf8
+++ b/tests/utf8
@@ -1,4 +1,4 @@
-¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ
+¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ
 Ā ā Ă ă Ą ą Ć ć Ĉ ĉ Ċ ċ Č č Ď ď Đ đ Ē ē Ĕ ĕ Ė ė Ę ę Ě ě Ĝ ĝ Ğ ğ Ġ ġ Ģ ģ Ĥ ĥ Ħ ħ Ĩ ĩ Ī ī Ĭ ĭ Į į İ ı Ĳ ĳ Ĵ ĵ Ķ ķ ĸ Ĺ ĺ Ļ ļ Ľ ľ Ŀ ŀ Ł ł Ń ń Ņ ņ Ň ň ŉ Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ś Ŝ ŝ Ş ş Š š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź Ż ż Ž ž ſ
 ƀ Ɓ Ƃ ƃ Ƅ ƅ Ɔ Ƈ ƈ Ɖ Ɗ Ƌ ƌ ƍ Ǝ Ə Ɛ Ƒ ƒ Ɠ Ɣ ƕ Ɩ Ɨ Ƙ ƙ ƚ ƛ Ɯ Ɲ ƞ Ɵ Ơ ơ Ƣ ƣ Ƥ ƥ Ʀ Ƨ ƨ Ʃ ƪ ƫ Ƭ ƭ Ʈ Ư ư Ʊ Ʋ Ƴ ƴ Ƶ ƶ Ʒ Ƹ ƹ ƺ ƻ Ƽ ƽ ƾ ƿ ǀ ǁ ǂ ǃ Ǆ ǅ ǆ Ǉ ǈ ǉ Ǌ ǋ ǌ Ǎ ǎ Ǐ ǐ Ǒ ǒ Ǔ ǔ Ǖ ǖ Ǘ ǘ Ǚ ǚ Ǜ ǜ ǝ Ǟ ǟ Ǡ ǡ Ǣ ǣ Ǥ ǥ Ǧ ǧ Ǩ ǩ Ǫ ǫ Ǭ ǭ Ǯ ǯ ǰ Ǳ ǲ ǳ Ǵ ǵ Ǻ ǻ Ǽ ǽ Ǿ ǿ Ȁ ȁ Ȃ ȃ ...
 ɐ ɑ ɒ ɓ ɔ ɕ ɖ ɗ ɘ ə ɚ ɛ ɜ ɝ ɞ ɟ ɠ ɡ ɢ ɣ ɤ ɥ ɦ ɧ ɨ ɩ ɪ ɫ ɬ ɭ ɮ ɯ ɰ ɱ ɲ ɳ ɴ ɵ ɶ ɷ ɸ ɹ ɺ ɻ ɼ ɽ ɾ ɿ ʀ ʁ ʂ ʃ ʄ ʅ ʆ ʇ ʈ ʉ ʊ ʋ ʌ ʍ ʎ ʏ ʐ ʑ ʒ ʓ ʔ ʕ ʖ ʗ ʘ ʙ ʚ ʛ ʜ ʝ ʞ ʟ ʠ ʡ ʢ ʣ ʤ ʥ ʦ ʧ ʨ
@@ -52,7 +52,6 @@
 ㌀ ㌁ ㌂ ㌃ ㌄ ㌅ ㌆ ㌇ ㌈ ㌉ ㌊ ㌋ ㌌ ㌍ ㌎ ㌏ ㌐ ㌑ ㌒ ㌓ ㌔ ㌕ ㌖ ㌗ ㌘ ㌙ ㌚ ㌛ ㌜ ㌝ ㌞ ㌟ ㌠ ㌡ ㌢ ㌣ ㌤ ㌥ ㌦ ㌧ ㌨ ㌩ ㌪ ㌫ ㌬ ㌭ ㌮ ㌯ ㌰ ㌱ ㌲ ㌳ ㌴ ㌵ ㌶ ㌷ ㌸ ㌹ ㌺ ㌻ ㌼ ㌽ ㌾ ㌿ ㍀ ㍁ ㍂ ㍃ ㍄ ㍅ ㍆ ㍇ ㍈ ㍉ ㍊ ㍋ ㍌ ㍍ ㍎ ㍏ ㍐ ㍑ ㍒ ㍓ ㍔ ㍕ ㍖ ㍗ ㍘ ㍙ ㍚ ㍛ ㍜ ㍝ ㍞ ㍟ ㍠ ㍡ ㍢ ㍣ ㍤ ㍥ ㍦ ㍧ ㍨ ㍩ ㍪ ㍫ ㍬ ㍭ ㍮ ㍯ ㍰ ㍱ ㍲ ㍳ ㍴ ㍵ ㍶ ㍻ ㍼ ㍽ ㍾ ㍿ ㎀ ㎁ ㎂ ㎃ ...
 一 丁 丂 七 丄 丅 丆 万 丈 三 上 下 丌 不 与 丏 丐 丑 丒 专 且 丕 世 丗 丘 丙 业 丛 东 丝 丞 丟 丠 両 丢 丣 两 严 並 丧 丨 丩 个 丫 丬 中 丮 丯 丰 丱 串 丳 临 丵 丶 丷 丸 丹 为 主 丼 丽 举 丿 乀 乁 乂 乃 乄 久 乆 乇 么 义 乊 之 乌 乍 乎 乏 乐 乑 乒 乓 乔 乕 乖 乗 乘 乙 乚 乛 乜 九 乞 也 习 乡 乢 乣 乤 乥 书 乧 乨 乩 乪 乫 乬 乭 乮 乯 买 乱 乲 乳 乴 乵 乶 乷 乸 乹 乺 乻 乼 乽 乾 乿 ...
 가 각 갂 갃 간 갅 갆 갇 갈 갉 갊 갋 갌 갍 갎 갏 감 갑 값 갓 갔 강 갖 갗 갘 같 갚 갛 개 객 갞 갟 갠 갡 갢 갣 갤 갥 갦 갧 갨 갩 갪 갫 갬 갭 갮 갯 갰 갱 갲 갳 갴 갵 갶 갷 갸 갹 갺 갻 갼 갽 갾 갿 걀 걁 걂 걃 걄 걅 걆 걇 걈 걉 걊 걋 걌 걍 걎 걏 걐 걑 걒 걓 걔 걕 걖 걗 걘 걙 걚 걛 걜 걝 걞 걟 걠 걡 걢 걣 걤 걥 걦 걧 걨 걩 걪 걫 걬 걭 걮 걯 거 걱 걲 걳 건 걵 걶 걷 걸 걹 걺 걻 걼 걽 걾 걿 ...
-                                                                                                                                ...
 豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ...
 ﬀ ﬁ ﬂ ﬃ ﬄ ﬅ ﬆ ﬓ ﬔ ﬕ ﬖ ﬗ ﬞ ײַ ﬠ ﬡ ﬢ ﬣ ﬤ ﬥ ﬦ ﬧ ﬨ ﬩ שׁ שׂ שּׁ שּׂ אַ אָ אּ בּ גּ דּ הּ וּ זּ טּ יּ ךּ כּ לּ מּ נּ סּ ףּ פּ צּ קּ רּ שּ תּ וֹ בֿ כֿ פֿ ﭏ
 ﭐ ﭑ ﭒ ﭓ ﭔ ﭕ ﭖ ﭗ ﭘ ﭙ ﭚ ﭛ ﭜ ﭝ ﭞ ﭟ ﭠ ﭡ ﭢ ﭣ ﭤ ﭥ ﭦ ﭧ ﭨ ﭩ ﭪ ﭫ ﭬ ﭭ ﭮ ﭯ ﭰ ﭱ ﭲ ﭳ ﭴ ﭵ ﭶ ﭷ ﭸ ﭹ ﭺ ﭻ ﭼ ﭽ ﭾ ﭿ ﮀ ﮁ ﮂ ﮃ ﮄ ﮅ ﮆ ﮇ ﮈ ﮉ ﮊ ﮋ ﮌ ﮍ ﮎ ﮏ ﮐ ﮑ ﮒ ﮓ ﮔ ﮕ ﮖ ﮗ ﮘ ﮙ ﮚ ﮛ ﮜ ﮝ ﮞ ﮟ ﮠ ﮡ ﮢ ﮣ ﮤ ﮥ ﮦ ﮧ ﮨ ﮩ ﮪ ﮫ ﮬ ﮭ ﮮ ﮯ ﮰ ﮱ ﯓ ﯔ ﯕ ﯖ ﯗ ﯘ ﯙ ﯚ ﯛ ﯜ ﯝ ﯞ ﯟ ﯠ ﯡ ﯢ ﯣ ﯤ ﯥ ﯦ ﯧ ﯨ ﯩ ﯪ ﯫ ﯬ ﯭ ﯮ ﯯ ﯰ ...
diff --git a/tests/utf8.hs b/tests/utf8.hs
--- a/tests/utf8.hs
+++ b/tests/utf8.hs
@@ -1,14 +1,16 @@
--- | Unicode test.
-
 {-# LANGUAGE EmptyDataDecls    #-}
 {-# LANGUAGE NoImplicitPrelude #-}
+-- | Unicode test.
 
+module Utf8 where
+
 import           Language.Fay.FFI
 import           Language.Fay.Prelude
 
+main :: Fay ()
 main = do
   -- Latin-1 Supplement
-  printS "¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ"
+  printS "¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ"
 
   -- Latin Extended-A
   printS "Ā ā Ă ă Ą ą Ć ć Ĉ ĉ Ċ ċ Č č Ď ď Đ đ Ē ē Ĕ ĕ Ė ė Ę ę Ě ě Ĝ ĝ Ğ ğ Ġ ġ Ģ ģ Ĥ ĥ Ħ ħ Ĩ ĩ Ī ī Ĭ ĭ Į į İ ı Ĳ ĳ Ĵ ĵ Ķ ķ ĸ Ĺ ĺ Ļ ļ Ľ ľ Ŀ ŀ Ł ł Ń ń Ņ ņ Ň ň ŉ Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ś Ŝ ŝ Ş ş Š š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź Ż ż Ž ž ſ"
@@ -116,8 +118,6 @@
   printS "一 丁 丂 七 丄 丅 丆 万 丈 三 上 下 丌 不 与 丏 丐 丑 丒 专 且 丕 世 丗 丘 丙 业 丛 东 丝 丞 丟 丠 両 丢 丣 两 严 並 丧 丨 丩 个 丫 丬 中 丮 丯 丰 丱 串 丳 临 丵 丶 丷 丸 丹 为 主 丼 丽 举 丿 乀 乁 乂 乃 乄 久 乆 乇 么 义 乊 之 乌 乍 乎 乏 乐 乑 乒 乓 乔 乕 乖 乗 乘 乙 乚 乛 乜 九 乞 也 习 乡 乢 乣 乤 乥 书 乧 乨 乩 乪 乫 乬 乭 乮 乯 买 乱 乲 乳 乴 乵 乶 乷 乸 乹 乺 乻 乼 乽 乾 乿 ..."
   -- Hangul Syllables
   printS "가 각 갂 갃 간 갅 갆 갇 갈 갉 갊 갋 갌 갍 갎 갏 감 갑 값 갓 갔 강 갖 갗 갘 같 갚 갛 개 객 갞 갟 갠 갡 갢 갣 갤 갥 갦 갧 갨 갩 갪 갫 갬 갭 갮 갯 갰 갱 갲 갳 갴 갵 갶 갷 갸 갹 갺 갻 갼 갽 갾 갿 걀 걁 걂 걃 걄 걅 걆 걇 걈 걉 걊 걋 걌 걍 걎 걏 걐 걑 걒 걓 걔 걕 걖 걗 걘 걙 걚 걛 걜 걝 걞 걟 걠 걡 걢 걣 걤 걥 걦 걧 걨 걩 걪 걫 걬 걭 걮 걯 거 걱 걲 걳 건 걵 걶 걷 걸 걹 걺 걻 걼 걽 걾 걿 ..."
-  -- Private Use
-  printS "                                                                                                                                ..."
   -- CJK Compatibility Ideographs
   printS "豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ..."
   -- Alphabetic Presentation Forms
diff --git a/tests/utf8.js b/tests/utf8.js
--- a/tests/utf8.js
+++ b/tests/utf8.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Utf8 = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){return _(_($62$$62$)(_(printS)(Fay$$list("¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß à á â ã ä å æ ç è é ê ë ì í î ï ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ"))))(_(_($62$$62$)(_(printS)(Fay$$list("Ā ā Ă ă Ą ą Ć ć Ĉ ĉ Ċ ċ Č č Ď ď Đ đ Ē ē Ĕ ĕ Ė ė Ę ę Ě ě Ĝ ĝ Ğ ğ Ġ ġ Ģ ģ Ĥ ĥ Ħ ħ Ĩ ĩ Ī ī Ĭ ĭ Į į İ ı Ĳ ĳ Ĵ ĵ Ķ ķ ĸ Ĺ ĺ Ļ ļ Ľ ľ Ŀ ŀ Ł ł Ń ń Ņ ņ Ň ň ŉ Ŋ ŋ Ō ō Ŏ ŏ Ő ő Œ œ Ŕ ŕ Ŗ ŗ Ř ř Ś ś Ŝ ŝ Ş ş Š š Ţ ţ Ť ť Ŧ ŧ Ũ ũ Ū ū Ŭ ŭ Ů ů Ű ű Ų ų Ŵ ŵ Ŷ ŷ Ÿ Ź ź Ż ż Ž ž ſ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ƀ Ɓ Ƃ ƃ Ƅ ƅ Ɔ Ƈ ƈ Ɖ Ɗ Ƌ ƌ ƍ Ǝ Ə Ɛ Ƒ ƒ Ɠ Ɣ ƕ Ɩ Ɨ Ƙ ƙ ƚ ƛ Ɯ Ɲ ƞ Ɵ Ơ ơ Ƣ ƣ Ƥ ƥ Ʀ Ƨ ƨ Ʃ ƪ ƫ Ƭ ƭ Ʈ Ư ư Ʊ Ʋ Ƴ ƴ Ƶ ƶ Ʒ Ƹ ƹ ƺ ƻ Ƽ ƽ ƾ ƿ ǀ ǁ ǂ ǃ Ǆ ǅ ǆ Ǉ ǈ ǉ Ǌ ǋ ǌ Ǎ ǎ Ǐ ǐ Ǒ ǒ Ǔ ǔ Ǖ ǖ Ǘ ǘ Ǚ ǚ Ǜ ǜ ǝ Ǟ ǟ Ǡ ǡ Ǣ ǣ Ǥ ǥ Ǧ ǧ Ǩ ǩ Ǫ ǫ Ǭ ǭ Ǯ ǯ ǰ Ǳ ǲ ǳ Ǵ ǵ Ǻ ǻ Ǽ ǽ Ǿ ǿ Ȁ ȁ Ȃ ȃ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ɐ ɑ ɒ ɓ ɔ ɕ ɖ ɗ ɘ ə ɚ ɛ ɜ ɝ ɞ ɟ ɠ ɡ ɢ ɣ ɤ ɥ ɦ ɧ ɨ ɩ ɪ ɫ ɬ ɭ ɮ ɯ ɰ ɱ ɲ ɳ ɴ ɵ ɶ ɷ ɸ ɹ ɺ ɻ ɼ ɽ ɾ ɿ ʀ ʁ ʂ ʃ ʄ ʅ ʆ ʇ ʈ ʉ ʊ ʋ ʌ ʍ ʎ ʏ ʐ ʑ ʒ ʓ ʔ ʕ ʖ ʗ ʘ ʙ ʚ ʛ ʜ ʝ ʞ ʟ ʠ ʡ ʢ ʣ ʤ ʥ ʦ ʧ ʨ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ʰ ʱ ʲ ʳ ʴ ʵ ʶ ʷ ʸ ʹ ʺ ʻ ʼ ʽ ʾ ʿ ˀ ˁ ˂ ˃ ˄ ˅ ˆ ˇ ˈ ˉ ˊ ˋ ˌ ˍ ˎ ˏ ː ˑ ˒ ˓ ˔ ˕ ˖ ˗ ˘ ˙ ˚ ˛ ˜ ˝ ˞ ˠ ˡ ˢ ˣ ˤ ˥ ˦ ˧ ˨ ˩"))))(_(_($62$$62$)(_(printS)(Fay$$list("̀ ́ ̂ ̃ ̄ ̅ ̆ ̇ ̈ ̉ ̊ ̋ ̌ ̍ ̎ ̏ ̐ ̑ ̒ ̓ ̔ ̕ ̖ ̗ ̘ ̙ ̚ ̛ ̜ ̝ ̞ ̟ ̠ ̡ ̢ ̣ ̤ ̥ ̦ ̧ ̨ ̩ ̪ ̫ ̬ ̭ ̮ ̯ ̰ ̱ ̲ ̳ ̴ ̵ ̶ ̷ ̸ ̹ ̺ ̻ ̼ ̽ ̾ ̿ ̀ ́ ͂ ̓ ̈́ ͅ ͠ ͡"))))(_(_($62$$62$)(_(printS)(Fay$$list("ʹ ͵ ͺ ; ΄ ΅ Ά · Έ Ή Ί Ό Ύ Ώ ΐ Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω Ϊ Ϋ ά έ ή ί ΰ α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ ς σ τ υ φ χ ψ ω ϊ ϋ ό ύ ώ ϐ ϑ ϒ ϓ ϔ ϕ ϖ Ϛ Ϝ Ϟ Ϡ Ϣ ϣ Ϥ ϥ Ϧ ϧ Ϩ ϩ Ϫ ϫ Ϭ ϭ Ϯ ϯ ϰ ϱ ϲ ϳ"))))(_(_($62$$62$)(_(printS)(Fay$$list("Ё Ђ Ѓ Є Ѕ І Ї Ј Љ Њ Ћ Ќ Ў Џ А Б В Г Д Е Ж З И Й К Л М Н О П Р С Т У Ф Х Ц Ч Ш Щ Ъ Ы Ь Э Ю Я а б в г д е ж з и й к л м н о п р с т у ф х ц ч ш щ ъ ы ь э ю я ё ђ ѓ є ѕ і ї ј љ њ ћ ќ ў џ Ѡ ѡ Ѣ ѣ Ѥ ѥ Ѧ ѧ Ѩ ѩ Ѫ ѫ Ѭ ѭ Ѯ ѯ Ѱ ѱ Ѳ ѳ Ѵ ѵ Ѷ ѷ Ѹ ѹ Ѻ ѻ Ѽ ѽ Ѿ ѿ Ҁ ҁ ҂ ҃ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ա Բ Գ Դ Ե Զ Է Ը Թ Ժ Ի Լ Խ Ծ Կ Հ Ձ Ղ Ճ Մ Յ Ն Շ Ո Չ Պ Ջ Ռ Ս Վ Տ Ր Ց Ւ Փ Ք Օ Ֆ ՙ ՚ ՛ ՜ ՝ ՞ ՟ ա բ գ դ ե զ է ը թ ժ ի լ խ ծ կ հ ձ ղ ճ մ յ ն շ ո չ պ ջ ռ ս վ տ ր ց ւ փ ք օ ֆ և ։"))))(_(_($62$$62$)(_(printS)(Fay$$list("֑ ֒ ֓ ֔ ֕ ֖ ֗ ֘ ֙ ֚ ֛ ֜ ֝ ֞ ֟ ֠ ֡ ֣ ֤ ֥ ֦ ֧ ֨ ֩ ֪ ֫ ֬ ֭ ֮ ֯ ְ ֱ ֲ ֳ ִ ֵ ֶ ַ ָ ֹ ֻ ּ ֽ ־ ֿ ׀ ׁ ׂ ׃ ׄ א ב ג ד ה ו ז ח ט י ך כ ל ם מ ן נ ס ע ף פ ץ צ ק ר ש ת װ ױ ײ ׳ ״"))))(_(_($62$$62$)(_(printS)(Fay$$list("، ؛ ؟ ء آ أ ؤ إ ئ ا ب ة ت ث ج ح خ د ذ ر ز س ش ص ض ط ظ ع غ ـ ف ق ك ل م ن ه و ى ي ً ٌ ٍ َ ُ ِ ّ ْ ٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩ ٪ ٫ ٬ ٭ ٰ ٱ ٲ ٳ ٴ ٵ ٶ ٷ ٸ ٹ ٺ ٻ ټ ٽ پ ٿ ڀ ځ ڂ ڃ ڄ څ چ ڇ ڈ ډ ڊ ڋ ڌ ڍ ڎ ڏ ڐ ڑ ڒ ړ ڔ ڕ ږ ڗ ژ ڙ ښ ڛ ڜ ڝ ڞ ڟ ڠ ڡ ڢ ڣ ڤ ڥ ڦ ڧ ڨ ک ڪ ګ ڬ ڭ ڮ گ ڰ ڱ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ँ ं ः अ आ इ ई उ ऊ ऋ ऌ ऍ ऎ ए ऐ ऑ ऒ ओ औ क ख ग घ ङ च छ ज झ ञ ट ठ ड ढ ण त थ द ध न ऩ प फ ब भ म य र ऱ ल ळ ऴ व श ष स ह ़ ऽ ा ि ी ु ू ृ ॄ ॅ ॆ े ै ॉ ॊ ो ौ ् ॐ ॑ ॒ ॓ ॔ क़ ख़ ग़ ज़ ड़ ढ़ फ़ य़ ॠ ॡ ॢ ॣ । ॥ ० १ २ ३ ४ ५ ६ ७ ८ ९ ॰"))))(_(_($62$$62$)(_(printS)(Fay$$list("ঁ ং ঃ অ আ ই ঈ উ ঊ ঋ ঌ এ ঐ ও ঔ ক খ গ ঘ ঙ চ ছ জ ঝ ঞ ট ঠ ড ঢ ণ ত থ দ ধ ন প ফ ব ভ ম য র ল শ ষ স হ ় া ি ী ু ূ ৃ ৄ ে ৈ ো ৌ ্ ৗ ড় ঢ় য় ৠ ৡ ৢ ৣ ০ ১ ২ ৩ ৪ ৫ ৬ ৭ ৮ ৯ ৰ ৱ ৲ ৳ ৴ ৵ ৶ ৷ ৸ ৹ ৺"))))(_(_($62$$62$)(_(printS)(Fay$$list("ਂ ਅ ਆ ਇ ਈ ਉ ਊ ਏ ਐ ਓ ਔ ਕ ਖ ਗ ਘ ਙ ਚ ਛ ਜ ਝ ਞ ਟ ਠ ਡ ਢ ਣ ਤ ਥ ਦ ਧ ਨ ਪ ਫ ਬ ਭ ਮ ਯ ਰ ਲ ਲ਼ ਵ ਸ਼ ਸ ਹ ਼ ਾ ਿ ੀ ੁ ੂ ੇ ੈ ੋ ੌ ੍ ਖ਼ ਗ਼ ਜ਼ ੜ ਫ਼ ੦ ੧ ੨ ੩ ੪ ੫ ੬ ੭ ੮ ੯ ੰ ੱ ੲ ੳ ੴ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ઁ ં ઃ અ આ ઇ ઈ ઉ ઊ ઋ ઍ એ ઐ ઑ ઓ ઔ ક ખ ગ ઘ ઙ ચ છ જ ઝ ઞ ટ ઠ ડ ઢ ણ ત થ દ ધ ન પ ફ બ ભ મ ય ર લ ળ વ શ ષ સ હ ઼ ઽ ા િ ી ુ ૂ ૃ ૄ ૅ ે ૈ ૉ ો ૌ ્ ૐ ૠ ૦ ૧ ૨ ૩ ૪ ૫ ૬ ૭ ૮ ૯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ଁ ଂ ଃ ଅ ଆ ଇ ଈ ଉ ଊ ଋ ଌ ଏ ଐ ଓ ଔ କ ଖ ଗ ଘ ଙ ଚ ଛ ଜ ଝ ଞ ଟ ଠ ଡ ଢ ଣ ତ ଥ ଦ ଧ ନ ପ ଫ ବ ଭ ମ ଯ ର ଲ ଳ ଶ ଷ ସ ହ ଼ ଽ ା ି ୀ ୁ ୂ ୃ େ ୈ ୋ ୌ ୍ ୖ ୗ ଡ଼ ଢ଼ ୟ ୠ ୡ ୦ ୧ ୨ ୩ ୪ ୫ ୬ ୭ ୮ ୯ ୰"))))(_(_($62$$62$)(_(printS)(Fay$$list("ஂ ஃ அ ஆ இ ஈ உ ஊ எ ஏ ஐ ஒ ஓ ஔ க ங ச ஜ ஞ ட ண த ந ன ப ம ய ர ற ல ள ழ வ ஷ ஸ ஹ ா ி ீ ு ூ ெ ே ை ொ ோ ௌ ் ௗ ௧ ௨ ௩ ௪ ௫ ௬ ௭ ௮ ௯ ௰ ௱ ௲"))))(_(_($62$$62$)(_(printS)(Fay$$list("ఁ ం ః అ ఆ ఇ ఈ ఉ ఊ ఋ ఌ ఎ ఏ ఐ ఒ ఓ ఔ క ఖ గ ఘ ఙ చ ఛ జ ఝ ఞ ట ఠ డ ఢ ణ త థ ద ధ న ప ఫ బ భ మ య ర ఱ ల ళ వ శ ష స హ ా ి ీ ు ూ ృ ౄ ె ే ై ొ ో ౌ ్ ౕ ౖ ౠ ౡ ౦ ౧ ౨ ౩ ౪ ౫ ౬ ౭ ౮ ౯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ಂ ಃ ಅ ಆ ಇ ಈ ಉ ಊ ಋ ಌ ಎ ಏ ಐ ಒ ಓ ಔ ಕ ಖ ಗ ಘ ಙ ಚ ಛ ಜ ಝ ಞ ಟ ಠ ಡ ಢ ಣ ತ ಥ ದ ಧ ನ ಪ ಫ ಬ ಭ ಮ ಯ ರ ಱ ಲ ಳ ವ ಶ ಷ ಸ ಹ ಾ ಿ ೀ ು ೂ ೃ ೄ ೆ ೇ ೈ ೊ ೋ ೌ ್ ೕ ೖ ೞ ೠ ೡ ೦ ೧ ೨ ೩ ೪ ೫ ೬ ೭ ೮ ೯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ം ഃ അ ആ ഇ ഈ ഉ ഊ ഋ ഌ എ ഏ ഐ ഒ ഓ ഔ ക ഖ ഗ ഘ ങ ച ഛ ജ ഝ ഞ ട ഠ ഡ ഢ ണ ത ഥ ദ ധ ന പ ഫ ബ ഭ മ യ ര റ ല ള ഴ വ ശ ഷ സ ഹ ാ ി ീ ു ൂ ൃ െ േ ൈ ൊ ോ ൌ ് ൗ ൠ ൡ ൦ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮ ൯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ก ข ฃ ค ฅ ฆ ง จ ฉ ช ซ ฌ ญ ฎ ฏ ฐ ฑ ฒ ณ ด ต ถ ท ธ น บ ป ผ ฝ พ ฟ ภ ม ย ร ฤ ล ฦ ว ศ ษ ส ห ฬ อ ฮ ฯ ะ ั า ำ ิ ี ึ ื ุ ู ฺ ฿ เ แ โ ใ ไ ๅ ๆ ็ ่ ้ ๊ ๋ ์ ํ ๎ ๏ ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ ๚ ๛"))))(_(_($62$$62$)(_(printS)(Fay$$list("ກ ຂ ຄ ງ ຈ ຊ ຍ ດ ຕ ຖ ທ ນ ບ ປ ຜ ຝ ພ ຟ ມ ຢ ຣ ລ ວ ສ ຫ ອ ຮ ຯ ະ ັ າ ຳ ິ ີ ຶ ື ຸ ູ ົ ຼ ຽ ເ ແ ໂ ໃ ໄ ໆ ່ ້ ໊ ໋ ໌ ໍ ໐ ໑ ໒ ໓ ໔ ໕ ໖ ໗ ໘ ໙ ໜ ໝ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ༀ ༁ ༂ ༃ ༄ ༅ ༆ ༇ ༈ ༉ ༊ ་ ༌ ། ༎ ༏ ༐ ༑ ༒ ༓ ༔ ༕ ༖ ༗ ༘ ༙ ༚ ༛ ༜ ༝ ༞ ༟ ༠ ༡ ༢ ༣ ༤ ༥ ༦ ༧ ༨ ༩ ༪ ༫ ༬ ༭ ༮ ༯ ༰ ༱ ༲ ༳ ༴ ༵ ༶ ༷ ༸ ༹ ༺ ༻ ༼ ༽ ༾ ༿ ཀ ཁ ག གྷ ང ཅ ཆ ཇ ཉ ཊ ཋ ཌ ཌྷ ཎ ཏ ཐ ད དྷ ན པ ཕ བ བྷ མ ཙ ཚ ཛ ཛྷ ཝ ཞ ཟ འ ཡ ར ལ ཤ ཥ ས ཧ ཨ ཀྵ ཱ ི ཱི ུ ཱུ ྲྀ ཷ ླྀ ཹ ེ ཻ ོ ཽ ཾ ཿ ྀ ཱྀ ྂ ྃ ྄ ྅ ྆ ྇ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ⴀ Ⴁ Ⴂ Ⴃ Ⴄ Ⴅ Ⴆ Ⴇ Ⴈ Ⴉ Ⴊ Ⴋ Ⴌ Ⴍ Ⴎ Ⴏ Ⴐ Ⴑ Ⴒ Ⴓ Ⴔ Ⴕ Ⴖ Ⴗ Ⴘ Ⴙ Ⴚ Ⴛ Ⴜ Ⴝ Ⴞ Ⴟ Ⴠ Ⴡ Ⴢ Ⴣ Ⴤ Ⴥ ა ბ გ დ ე ვ ზ თ ი კ ლ მ ნ ო პ ჟ რ ს ტ უ ფ ქ ღ ყ შ ჩ ც ძ წ ჭ ხ ჯ ჰ ჱ ჲ ჳ ჴ ჵ ჶ ჻"))))(_(_($62$$62$)(_(printS)(Fay$$list("ᄀ ᄁ ᄂ ᄃ ᄄ ᄅ ᄆ ᄇ ᄈ ᄉ ᄊ ᄋ ᄌ ᄍ ᄎ ᄏ ᄐ ᄑ ᄒ ᄓ ᄔ ᄕ ᄖ ᄗ ᄘ ᄙ ᄚ ᄛ ᄜ ᄝ ᄞ ᄟ ᄠ ᄡ ᄢ ᄣ ᄤ ᄥ ᄦ ᄧ ᄨ ᄩ ᄪ ᄫ ᄬ ᄭ ᄮ ᄯ ᄰ ᄱ ᄲ ᄳ ᄴ ᄵ ᄶ ᄷ ᄸ ᄹ ᄺ ᄻ ᄼ ᄽ ᄾ ᄿ ᅀ ᅁ ᅂ ᅃ ᅄ ᅅ ᅆ ᅇ ᅈ ᅉ ᅊ ᅋ ᅌ ᅍ ᅎ ᅏ ᅐ ᅑ ᅒ ᅓ ᅔ ᅕ ᅖ ᅗ ᅘ ᅙ ᅟ ᅠ ᅡ ᅢ ᅣ ᅤ ᅥ ᅦ ᅧ ᅨ ᅩ ᅪ ᅫ ᅬ ᅭ ᅮ ᅯ ᅰ ᅱ ᅲ ᅳ ᅴ ᅵ ᅶ ᅷ ᅸ ᅹ ᅺ ᅻ ᅼ ᅽ ᅾ ᅿ ᆀ ᆁ ᆂ ᆃ ᆄ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ḁ ḁ Ḃ ḃ Ḅ ḅ Ḇ ḇ Ḉ ḉ Ḋ ḋ Ḍ ḍ Ḏ ḏ Ḑ ḑ Ḓ ḓ Ḕ ḕ Ḗ ḗ Ḙ ḙ Ḛ ḛ Ḝ ḝ Ḟ ḟ Ḡ ḡ Ḣ ḣ Ḥ ḥ Ḧ ḧ Ḩ ḩ Ḫ ḫ Ḭ ḭ Ḯ ḯ Ḱ ḱ Ḳ ḳ Ḵ ḵ Ḷ ḷ Ḹ ḹ Ḻ ḻ Ḽ ḽ Ḿ ḿ Ṁ ṁ Ṃ ṃ Ṅ ṅ Ṇ ṇ Ṉ ṉ Ṋ ṋ Ṍ ṍ Ṏ ṏ Ṑ ṑ Ṓ ṓ Ṕ ṕ Ṗ ṗ Ṙ ṙ Ṛ ṛ Ṝ ṝ Ṟ ṟ Ṡ ṡ Ṣ ṣ Ṥ ṥ Ṧ ṧ Ṩ ṩ Ṫ ṫ Ṭ ṭ Ṯ ṯ Ṱ ṱ Ṳ ṳ Ṵ ṵ Ṷ ṷ Ṹ ṹ Ṻ ṻ Ṽ ṽ Ṿ ṿ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ Ἂ Ἃ Ἄ Ἅ Ἆ Ἇ ἐ ἑ ἒ ἓ ἔ ἕ Ἐ Ἑ Ἒ Ἓ Ἔ Ἕ ἠ ἡ ἢ ἣ ἤ ἥ ἦ ἧ Ἠ Ἡ Ἢ Ἣ Ἤ Ἥ Ἦ Ἧ ἰ ἱ ἲ ἳ ἴ ἵ ἶ ἷ Ἰ Ἱ Ἲ Ἳ Ἴ Ἵ Ἶ Ἷ ὀ ὁ ὂ ὃ ὄ ὅ Ὀ Ὁ Ὂ Ὃ Ὄ Ὅ ὐ ὑ ὒ ὓ ὔ ὕ ὖ ὗ Ὑ Ὓ Ὕ Ὗ ὠ ὡ ὢ ὣ ὤ ὥ ὦ ὧ Ὠ Ὡ Ὢ Ὣ Ὤ Ὥ Ὦ Ὧ ὰ ά ὲ έ ὴ ή ὶ ί ὸ ό ὺ ύ ὼ ώ ᾀ ᾁ ᾂ ᾃ ᾄ ᾅ ᾆ ᾇ ᾈ ᾉ ᾊ ᾋ ᾌ ᾍ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("‐ ‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “ ” „ ‟"))))(_(_($62$$62$)(_(printS)(Fay$$list("⁰ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻ ⁼ ⁽ ⁾ ⁿ ₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₊ ₋ ₌ ₍ ₎"))))(_(_($62$$62$)(_(printS)(Fay$$list("₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ₨ ₩ ₪ ₫"))))(_(_($62$$62$)(_(printS)(Fay$$list("⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡"))))(_(_($62$$62$)(_(printS)(Fay$$list("℀ ℁ ℂ ℃ ℄ ℅ ℆ ℇ ℈ ℉ ℊ ℋ ℌ ℍ ℎ ℏ ℐ ℑ ℒ ℓ ℔ ℕ № ℗ ℘ ℙ ℚ ℛ ℜ ℝ ℞ ℟ ℠ ℡ ™ ℣ ℤ ℥ Ω ℧ ℨ ℩ K Å ℬ ℭ ℮ ℯ ℰ ℱ Ⅎ ℳ ℴ ℵ ℶ ℷ ℸ"))))(_(_($62$$62$)(_(printS)(Fay$$list("⅓ ⅔ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅛ ⅜ ⅝ ⅞ ⅟ Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ Ⅼ Ⅽ Ⅾ Ⅿ ⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ ⅺ ⅻ ⅼ ⅽ ⅾ ⅿ ↀ ↁ ↂ"))))(_(_($62$$62$)(_(printS)(Fay$$list("← ↑ → ↓ ↔ ↕ ↖ ↗ ↘ ↙ ↚ ↛ ↜ ↝ ↞ ↟ ↠ ↡ ↢ ↣ ↤ ↥ ↦ ↧ ↨ ↩ ↪ ↫ ↬ ↭ ↮ ↯ ↰ ↱ ↲ ↳ ↴ ↵ ↶ ↷ ↸ ↹ ↺ ↻ ↼ ↽ ↾ ↿ ⇀ ⇁ ⇂ ⇃ ⇄ ⇅ ⇆ ⇇ ⇈ ⇉ ⇊ ⇋ ⇌ ⇍ ⇎ ⇏ ⇐ ⇑ ⇒ ⇓ ⇔ ⇕ ⇖ ⇗ ⇘ ⇙ ⇚ ⇛ ⇜ ⇝ ⇞ ⇟ ⇠ ⇡ ⇢ ⇣ ⇤ ⇥ ⇦ ⇧ ⇨ ⇩ ⇪"))))(_(_($62$$62$)(_(printS)(Fay$$list("∀ ∁ ∂ ∃ ∄ ∅ ∆ ∇ ∈ ∉ ∊ ∋ ∌ ∍ ∎ ∏ ∐ ∑ − ∓ ∔ ∕ ∖ ∗ ∘ ∙ √ ∛ ∜ ∝ ∞ ∟ ∠ ∡ ∢ ∣ ∤ ∥ ∦ ∧ ∨ ∩ ∪ ∫ ∬ ∭ ∮ ∯ ∰ ∱ ∲ ∳ ∴ ∵ ∶ ∷ ∸ ∹ ∺ ∻ ∼ ∽ ∾ ∿ ≀ ≁ ≂ ≃ ≄ ≅ ≆ ≇ ≈ ≉ ≊ ≋ ≌ ≍ ≎ ≏ ≐ ≑ ≒ ≓ ≔ ≕ ≖ ≗ ≘ ≙ ≚ ≛ ≜ ≝ ≞ ≟ ≠ ≡ ≢ ≣ ≤ ≥ ≦ ≧ ≨ ≩ ≪ ≫ ≬ ≭ ≮ ≯ ≰ ≱ ≲ ≳ ≴ ≵ ≶ ≷ ≸ ≹ ≺ ≻ ≼ ≽ ≾ ≿ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("⌀ ⌂ ⌃ ⌄ ⌅ ⌆ ⌇ ⌈ ⌉ ⌊ ⌋ ⌌ ⌍ ⌎ ⌏ ⌐ ⌑ ⌒ ⌓ ⌔ ⌕ ⌖ ⌗ ⌘ ⌙ ⌚ ⌛ ⌜ ⌝ ⌞ ⌟ ⌠ ⌡ ⌢ ⌣ ⌤ ⌥ ⌦ ⌧ ⌨ 〈 〉 ⌫ ⌬ ⌭ ⌮ ⌯ ⌰ ⌱ ⌲ ⌳ ⌴ ⌵ ⌶ ⌷ ⌸ ⌹ ⌺ ⌻ ⌼ ⌽ ⌾ ⌿ ⍀ ⍁ ⍂ ⍃ ⍄ ⍅ ⍆ ⍇ ⍈ ⍉ ⍊ ⍋ ⍌ ⍍ ⍎ ⍏ ⍐ ⍑ ⍒ ⍓ ⍔ ⍕ ⍖ ⍗ ⍘ ⍙ ⍚ ⍛ ⍜ ⍝ ⍞ ⍟ ⍠ ⍡ ⍢ ⍣ ⍤ ⍥ ⍦ ⍧ ⍨ ⍩ ⍪ ⍫ ⍬ ⍭ ⍮ ⍯ ⍰ ⍱ ⍲ ⍳ ⍴ ⍵ ⍶ ⍷ ⍸ ⍹ ⍺"))))(_(_($62$$62$)(_(printS)(Fay$$list("␀ ␁ ␂ ␃ ␄ ␅ ␆ ␇ ␈ ␉ ␊ ␋ ␌ ␍ ␎ ␏ ␐ ␑ ␒ ␓ ␔ ␕ ␖ ␗ ␘ ␙ ␚ ␛ ␜ ␝ ␞ ␟ ␠ ␡ ␢ ␣ ␤"))))(_(_($62$$62$)(_(printS)(Fay$$list("⑀ ⑁ ⑂ ⑃ ⑄ ⑅ ⑆ ⑇ ⑈ ⑉ ⑊"))))(_(_($62$$62$)(_(printS)(Fay$$list("① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ ⑴ ⑵ ⑶ ⑷ ⑸ ⑹ ⑺ ⑻ ⑼ ⑽ ⑾ ⑿ ⒀ ⒁ ⒂ ⒃ ⒄ ⒅ ⒆ ⒇ ⒈ ⒉ ⒊ ⒋ ⒌ ⒍ ⒎ ⒏ ⒐ ⒑ ⒒ ⒓ ⒔ ⒕ ⒖ ⒗ ⒘ ⒙ ⒚ ⒛ ⒜ ⒝ ⒞ ⒟ ⒠ ⒡ ⒢ ⒣ ⒤ ⒥ ⒦ ⒧ ⒨ ⒩ ⒪ ⒫ ⒬ ⒭ ⒮ ⒯ ⒰ ⒱ ⒲ ⒳ ⒴ ⒵ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏ ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟ ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯ ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿ ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏ ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯ ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿"))))(_(_($62$$62$)(_(printS)(Fay$$list("▀ ▁ ▂ ▃ ▄ ▅ ▆ ▇ █ ▉ ▊ ▋ ▌ ▍ ▎ ▏ ▐ ░ ▒ ▓ ▔ ▕"))))(_(_($62$$62$)(_(printS)(Fay$$list("■ □ ▢ ▣ ▤ ▥ ▦ ▧ ▨ ▩ ▪ ▫ ▬ ▭ ▮ ▯ ▰ ▱ ▲ △ ▴ ▵ ▶ ▷ ▸ ▹ ► ▻ ▼ ▽ ▾ ▿ ◀ ◁ ◂ ◃ ◄ ◅ ◆ ◇ ◈ ◉ ◊ ○ ◌ ◍ ◎ ● ◐ ◑ ◒ ◓ ◔ ◕ ◖ ◗ ◘ ◙ ◚ ◛ ◜ ◝ ◞ ◟ ◠ ◡ ◢ ◣ ◤ ◥ ◦ ◧ ◨ ◩ ◪ ◫ ◬ ◭ ◮ ◯"))))(_(_($62$$62$)(_(printS)(Fay$$list("☀ ☁ ☂ ☃ ☄ ★ ☆ ☇ ☈ ☉ ☊ ☋ ☌ ☍ ☎ ☏ ☐ ☑ ☒ ☓ ☚ ☛ ☜ ☝ ☞ ☟ ☠ ☡ ☢ ☣ ☤ ☥ ☦ ☧ ☨ ☩ ☪ ☫ ☬ ☭ ☮ ☯ ☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷ ☸ ☹ ☺ ☻ ☼ ☽ ☾ ☿ ♀ ♁ ♂ ♃ ♄ ♅ ♆ ♇ ♈ ♉ ♊ ♋ ♌ ♍ ♎ ♏ ♐ ♑ ♒ ♓ ♔ ♕ ♖ ♗ ♘ ♙ ♚ ♛ ♜ ♝ ♞ ♟ ♠ ♡ ♢ ♣ ♤ ♥ ♦ ♧ ♨ ♩ ♪ ♫ ♬ ♭ ♮ ♯"))))(_(_($62$$62$)(_(printS)(Fay$$list("✁ ✂ ✃ ✄ ✆ ✇ ✈ ✉ ✌ ✍ ✎ ✏ ✐ ✑ ✒ ✓ ✔ ✕ ✖ ✗ ✘ ✙ ✚ ✛ ✜ ✝ ✞ ✟ ✠ ✡ ✢ ✣ ✤ ✥ ✦ ✧ ✩ ✪ ✫ ✬ ✭ ✮ ✯ ✰ ✱ ✲ ✳ ✴ ✵ ✶ ✷ ✸ ✹ ✺ ✻ ✼ ✽ ✾ ✿ ❀ ❁ ❂ ❃ ❄ ❅ ❆ ❇ ❈ ❉ ❊ ❋ ❍ ❏ ❐ ❑ ❒ ❖ ❘ ❙ ❚ ❛ ❜ ❝ ❞ ❡ ❢ ❣ ❤ ❥ ❦ ❧ ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❿ ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉ ➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒ ➓ ➔ ➘ ➙ ➚ ➛ ➜ ➝ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("　 、 。 〃 〄 々 〆 〇 〈 〉 《 》 「 」 『 』 【 】 〒 〓 〔 〕 〖 〗 〘 〙 〚 〛 〜 〝 〞 〟 〠 〡 〢 〣 〤 〥 〦 〧 〨 〩 〪 〫 〬 〭 〮 〯 〰 〱 〲 〳 〴 〵 〶 〷 〿"))))(_(_($62$$62$)(_(printS)(Fay$$list("ぁ あ ぃ い ぅ う ぇ え ぉ お か が き ぎ く ぐ け げ こ ご さ ざ し じ す ず せ ぜ そ ぞ た だ ち ぢ っ つ づ て で と ど な に ぬ ね の は ば ぱ ひ び ぴ ふ ぶ ぷ へ べ ぺ ほ ぼ ぽ ま み む め も ゃ や ゅ ゆ ょ よ ら り る れ ろ ゎ わ ゐ ゑ を ん ゔ ゙ ゚ ゛ ゜ ゝ ゞ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ァ ア ィ イ ゥ ウ ェ エ ォ オ カ ガ キ ギ ク グ ケ ゲ コ ゴ サ ザ シ ジ ス ズ セ ゼ ソ ゾ タ ダ チ ヂ ッ ツ ヅ テ デ ト ド ナ ニ ヌ ネ ノ ハ バ パ ヒ ビ ピ フ ブ プ ヘ ベ ペ ホ ボ ポ マ ミ ム メ モ ャ ヤ ュ ユ ョ ヨ ラ リ ル レ ロ ヮ ワ ヰ ヱ ヲ ン ヴ ヵ ヶ ヷ ヸ ヹ ヺ ・ ー ヽ ヾ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ㄅ ㄆ ㄇ ㄈ ㄉ ㄊ ㄋ ㄌ ㄍ ㄎ ㄏ ㄐ ㄑ ㄒ ㄓ ㄔ ㄕ ㄖ ㄗ ㄘ ㄙ ㄚ ㄛ ㄜ ㄝ ㄞ ㄟ ㄠ ㄡ ㄢ ㄣ ㄤ ㄥ ㄦ ㄧ ㄨ ㄩ ㄪ ㄫ ㄬ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ㄱ ㄲ ㄳ ㄴ ㄵ ㄶ ㄷ ㄸ ㄹ ㄺ ㄻ ㄼ ㄽ ㄾ ㄿ ㅀ ㅁ ㅂ ㅃ ㅄ ㅅ ㅆ ㅇ ㅈ ㅉ ㅊ ㅋ ㅌ ㅍ ㅎ ㅏ ㅐ ㅑ ㅒ ㅓ ㅔ ㅕ ㅖ ㅗ ㅘ ㅙ ㅚ ㅛ ㅜ ㅝ ㅞ ㅟ ㅠ ㅡ ㅢ ㅣ ㅤ ㅥ ㅦ ㅧ ㅨ ㅩ ㅪ ㅫ ㅬ ㅭ ㅮ ㅯ ㅰ ㅱ ㅲ ㅳ ㅴ ㅵ ㅶ ㅷ ㅸ ㅹ ㅺ ㅻ ㅼ ㅽ ㅾ ㅿ ㆀ ㆁ ㆂ ㆃ ㆄ ㆅ ㆆ ㆇ ㆈ ㆉ ㆊ ㆋ ㆌ ㆍ ㆎ"))))(_(_($62$$62$)(_(printS)(Fay$$list("㆐ ㆑ ㆒ ㆓ ㆔ ㆕ ㆖ ㆗ ㆘ ㆙ ㆚ ㆛ ㆜ ㆝ ㆞ ㆟"))))(_(_($62$$62$)(_(printS)(Fay$$list("㈀ ㈁ ㈂ ㈃ ㈄ ㈅ ㈆ ㈇ ㈈ ㈉ ㈊ ㈋ ㈌ ㈍ ㈎ ㈏ ㈐ ㈑ ㈒ ㈓ ㈔ ㈕ ㈖ ㈗ ㈘ ㈙ ㈚ ㈛ ㈜ ㈠ ㈡ ㈢ ㈣ ㈤ ㈥ ㈦ ㈧ ㈨ ㈩ ㈪ ㈫ ㈬ ㈭ ㈮ ㈯ ㈰ ㈱ ㈲ ㈳ ㈴ ㈵ ㈶ ㈷ ㈸ ㈹ ㈺ ㈻ ㈼ ㈽ ㈾ ㈿ ㉀ ㉁ ㉂ ㉃ ㉠ ㉡ ㉢ ㉣ ㉤ ㉥ ㉦ ㉧ ㉨ ㉩ ㉪ ㉫ ㉬ ㉭ ㉮ ㉯ ㉰ ㉱ ㉲ ㉳ ㉴ ㉵ ㉶ ㉷ ㉸ ㉹ ㉺ ㉻ ㉿ ㊀ ㊁ ㊂ ㊃ ㊄ ㊅ ㊆ ㊇ ㊈ ㊉ ㊊ ㊋ ㊌ ㊍ ㊎ ㊏ ㊐ ㊑ ㊒ ㊓ ㊔ ㊕ ㊖ ㊗ ㊘ ㊙ ㊚ ㊛ ㊜ ㊝ ㊞ ㊟ ㊠ ㊡ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("㌀ ㌁ ㌂ ㌃ ㌄ ㌅ ㌆ ㌇ ㌈ ㌉ ㌊ ㌋ ㌌ ㌍ ㌎ ㌏ ㌐ ㌑ ㌒ ㌓ ㌔ ㌕ ㌖ ㌗ ㌘ ㌙ ㌚ ㌛ ㌜ ㌝ ㌞ ㌟ ㌠ ㌡ ㌢ ㌣ ㌤ ㌥ ㌦ ㌧ ㌨ ㌩ ㌪ ㌫ ㌬ ㌭ ㌮ ㌯ ㌰ ㌱ ㌲ ㌳ ㌴ ㌵ ㌶ ㌷ ㌸ ㌹ ㌺ ㌻ ㌼ ㌽ ㌾ ㌿ ㍀ ㍁ ㍂ ㍃ ㍄ ㍅ ㍆ ㍇ ㍈ ㍉ ㍊ ㍋ ㍌ ㍍ ㍎ ㍏ ㍐ ㍑ ㍒ ㍓ ㍔ ㍕ ㍖ ㍗ ㍘ ㍙ ㍚ ㍛ ㍜ ㍝ ㍞ ㍟ ㍠ ㍡ ㍢ ㍣ ㍤ ㍥ ㍦ ㍧ ㍨ ㍩ ㍪ ㍫ ㍬ ㍭ ㍮ ㍯ ㍰ ㍱ ㍲ ㍳ ㍴ ㍵ ㍶ ㍻ ㍼ ㍽ ㍾ ㍿ ㎀ ㎁ ㎂ ㎃ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("一 丁 丂 七 丄 丅 丆 万 丈 三 上 下 丌 不 与 丏 丐 丑 丒 专 且 丕 世 丗 丘 丙 业 丛 东 丝 丞 丟 丠 両 丢 丣 两 严 並 丧 丨 丩 个 丫 丬 中 丮 丯 丰 丱 串 丳 临 丵 丶 丷 丸 丹 为 主 丼 丽 举 丿 乀 乁 乂 乃 乄 久 乆 乇 么 义 乊 之 乌 乍 乎 乏 乐 乑 乒 乓 乔 乕 乖 乗 乘 乙 乚 乛 乜 九 乞 也 习 乡 乢 乣 乤 乥 书 乧 乨 乩 乪 乫 乬 乭 乮 乯 买 乱 乲 乳 乴 乵 乶 乷 乸 乹 乺 乻 乼 乽 乾 乿 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("가 각 갂 갃 간 갅 갆 갇 갈 갉 갊 갋 갌 갍 갎 갏 감 갑 값 갓 갔 강 갖 갗 갘 같 갚 갛 개 객 갞 갟 갠 갡 갢 갣 갤 갥 갦 갧 갨 갩 갪 갫 갬 갭 갮 갯 갰 갱 갲 갳 갴 갵 갶 갷 갸 갹 갺 갻 갼 갽 갾 갿 걀 걁 걂 걃 걄 걅 걆 걇 걈 걉 걊 걋 걌 걍 걎 걏 걐 걑 걒 걓 걔 걕 걖 걗 걘 걙 걚 걛 걜 걝 걞 걟 걠 걡 걢 걣 걤 걥 걦 걧 걨 걩 걪 걫 걬 걭 걮 걯 거 걱 걲 걳 건 걵 걶 걷 걸 걹 걺 걻 걼 걽 걾 걿 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("                                                                                                                                ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ﬀ ﬁ ﬂ ﬃ ﬄ ﬅ ﬆ ﬓ ﬔ ﬕ ﬖ ﬗ ﬞ ײַ ﬠ ﬡ ﬢ ﬣ ﬤ ﬥ ﬦ ﬧ ﬨ ﬩ שׁ שׂ שּׁ שּׂ אַ אָ אּ בּ גּ דּ הּ וּ זּ טּ יּ ךּ כּ לּ מּ נּ סּ ףּ פּ צּ קּ רּ שּ תּ וֹ בֿ כֿ פֿ ﭏ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ﭐ ﭑ ﭒ ﭓ ﭔ ﭕ ﭖ ﭗ ﭘ ﭙ ﭚ ﭛ ﭜ ﭝ ﭞ ﭟ ﭠ ﭡ ﭢ ﭣ ﭤ ﭥ ﭦ ﭧ ﭨ ﭩ ﭪ ﭫ ﭬ ﭭ ﭮ ﭯ ﭰ ﭱ ﭲ ﭳ ﭴ ﭵ ﭶ ﭷ ﭸ ﭹ ﭺ ﭻ ﭼ ﭽ ﭾ ﭿ ﮀ ﮁ ﮂ ﮃ ﮄ ﮅ ﮆ ﮇ ﮈ ﮉ ﮊ ﮋ ﮌ ﮍ ﮎ ﮏ ﮐ ﮑ ﮒ ﮓ ﮔ ﮕ ﮖ ﮗ ﮘ ﮙ ﮚ ﮛ ﮜ ﮝ ﮞ ﮟ ﮠ ﮡ ﮢ ﮣ ﮤ ﮥ ﮦ ﮧ ﮨ ﮩ ﮪ ﮫ ﮬ ﮭ ﮮ ﮯ ﮰ ﮱ ﯓ ﯔ ﯕ ﯖ ﯗ ﯘ ﯙ ﯚ ﯛ ﯜ ﯝ ﯞ ﯟ ﯠ ﯡ ﯢ ﯣ ﯤ ﯥ ﯦ ﯧ ﯨ ﯩ ﯪ ﯫ ﯬ ﯭ ﯮ ﯯ ﯰ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("︠ ︡ ︢ ︣"))))(_(_($62$$62$)(_(printS)(Fay$$list("︰ ︱ ︲ ︳ ︴ ︵ ︶ ︷ ︸ ︹ ︺ ︻ ︼ ︽ ︾ ︿ ﹀ ﹁ ﹂ ﹃ ﹄ ﹉ ﹊ ﹋ ﹌ ﹍ ﹎ ﹏"))))(_(_($62$$62$)(_(printS)(Fay$$list("﹐ ﹑ ﹒ ﹔ ﹕ ﹖ ﹗ ﹘ ﹙ ﹚ ﹛ ﹜ ﹝ ﹞ ﹟ ﹠ ﹡ ﹢ ﹣ ﹤ ﹥ ﹦ ﹨ ﹩ ﹪ ﹫"))))(_(_($62$$62$)(_(printS)(Fay$$list("ﹰ ﹱ ﹲ ﹴ ﹶ ﹷ ﹸ ﹹ ﹺ ﹻ ﹼ ﹽ ﹾ ﹿ ﺀ ﺁ ﺂ ﺃ ﺄ ﺅ ﺆ ﺇ ﺈ ﺉ ﺊ ﺋ ﺌ ﺍ ﺎ ﺏ ﺐ ﺑ ﺒ ﺓ ﺔ ﺕ ﺖ ﺗ ﺘ ﺙ ﺚ ﺛ ﺜ ﺝ ﺞ ﺟ ﺠ ﺡ ﺢ ﺣ ﺤ ﺥ ﺦ ﺧ ﺨ ﺩ ﺪ ﺫ ﺬ ﺭ ﺮ ﺯ ﺰ ﺱ ﺲ ﺳ ﺴ ﺵ ﺶ ﺷ ﺸ ﺹ ﺺ ﺻ ﺼ ﺽ ﺾ ﺿ ﻀ ﻁ ﻂ ﻃ ﻄ ﻅ ﻆ ﻇ ﻈ ﻉ ﻊ ﻋ ﻌ ﻍ ﻎ ﻏ ﻐ ﻑ ﻒ ﻓ ﻔ ﻕ ﻖ ﻗ ﻘ ﻙ ﻚ ﻛ ﻜ ﻝ ﻞ ﻟ ﻠ ﻡ ﻢ ﻣ ﻤ ﻥ ﻦ ﻧ ﻨ ﻩ ﻪ ﻫ ﻬ ﻭ ﻮ ﻯ ﻰ ﻱ ..."))))(_(printS)(Fay$$list("！ ＂ ＃ ＄ ％ ＆ ＇ （ ） ＊ ＋ ， － ． ／ ０ １ ２ ３ ４ ５ ６ ７ ８ ９ ： ； ＜ ＝ ＞ ？ ＠ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ ［ ＼ ］ ＾ ＿ ｀ ａ ｂ ｃ ｄ ｅ ｆ ｇ ｈ ｉ ｊ ｋ ｌ ｍ ｎ ｏ ｐ ｑ ｒ ｓ ｔ ｕ ｖ ｗ ｘ ｙ ｚ ｛ ｜ ｝ ～ ｡ ｢ ｣ ､ ･ ｦ ｧ ｨ ｩ ｪ ｫ ｬ ｭ ｮ ｯ ｰ ｱ ｲ ｳ ｴ ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ ﾀ ﾁ ﾂ ..."))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));});var printS = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? 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LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? 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..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ա Բ Գ Դ Ե Զ Է Ը Թ Ժ Ի Լ Խ Ծ Կ Հ Ձ Ղ Ճ Մ Յ Ն Շ Ո Չ Պ Ջ Ռ Ս Վ Տ Ր Ց Ւ Փ Ք Օ Ֆ ՙ ՚ ՛ ՜ ՝ ՞ ՟ ա բ գ դ ե զ է ը թ ժ ի լ խ ծ կ հ ձ ղ ճ մ յ ն շ ո չ պ ջ ռ ս վ տ ր ց ւ փ ք օ ֆ և ։"))))(_(_($62$$62$)(_(printS)(Fay$$list("֑ ֒ ֓ ֔ ֕ ֖ ֗ ֘ ֙ ֚ ֛ ֜ ֝ ֞ ֟ ֠ ֡ ֣ ֤ ֥ ֦ ֧ ֨ ֩ ֪ ֫ ֬ ֭ ֮ ֯ ְ ֱ ֲ ֳ ִ ֵ ֶ ַ ָ ֹ ֻ ּ ֽ ־ ֿ ׀ ׁ ׂ ׃ ׄ א ב ג ד ה ו ז ח ט י ך כ ל ם מ ן נ ס ע ף פ ץ צ ק ר ש ת װ ױ ײ ׳ ״"))))(_(_($62$$62$)(_(printS)(Fay$$list("، ؛ ؟ ء آ أ ؤ إ ئ ا ب ة ت ث ج ح خ د ذ ر ز س ش ص ض ط ظ ع غ ـ ف ق ك ل م ن ه و ى ي ً ٌ ٍ َ ُ ِ ّ ْ ٠ ١ ٢ ٣ ٤ ٥ ٦ ٧ ٨ ٩ ٪ ٫ ٬ ٭ ٰ ٱ ٲ ٳ ٴ ٵ ٶ ٷ ٸ ٹ ٺ ٻ ټ ٽ پ ٿ ڀ ځ ڂ ڃ ڄ څ چ ڇ ڈ ډ ڊ ڋ ڌ ڍ ڎ ڏ ڐ ڑ ڒ ړ ڔ ڕ ږ ڗ ژ ڙ ښ ڛ ڜ ڝ ڞ ڟ ڠ ڡ ڢ ڣ ڤ ڥ ڦ ڧ ڨ ک ڪ ګ ڬ ڭ ڮ گ ڰ ڱ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ँ ं ः अ आ इ ई उ ऊ ऋ ऌ ऍ ऎ ए ऐ ऑ ऒ ओ औ क ख ग घ ङ च छ ज झ ञ ट ठ ड ढ ण त थ द ध न ऩ प फ ब भ म य र ऱ ल ळ ऴ व श ष स ह ़ ऽ ा ि ी ु ू ृ ॄ ॅ ॆ े ै ॉ ॊ ो ौ ् ॐ ॑ ॒ ॓ ॔ क़ ख़ ग़ ज़ ड़ ढ़ फ़ य़ ॠ ॡ ॢ ॣ । ॥ ० १ २ ३ ४ ५ ६ ७ ८ ९ ॰"))))(_(_($62$$62$)(_(printS)(Fay$$list("ঁ ং ঃ অ আ ই ঈ উ ঊ ঋ ঌ এ ঐ ও ঔ ক খ গ ঘ ঙ চ ছ জ ঝ ঞ ট ঠ ড ঢ ণ ত থ দ ধ ন প ফ ব ভ ম য র ল শ ষ স হ ় া ি ী ু ূ ৃ ৄ ে ৈ ো ৌ ্ ৗ ড় ঢ় য় ৠ ৡ ৢ ৣ ০ ১ ২ ৩ ৪ ৫ ৬ ৭ ৮ ৯ ৰ ৱ ৲ ৳ ৴ ৵ ৶ ৷ ৸ ৹ ৺"))))(_(_($62$$62$)(_(printS)(Fay$$list("ਂ ਅ ਆ ਇ ਈ ਉ ਊ ਏ ਐ ਓ ਔ ਕ ਖ ਗ ਘ ਙ ਚ ਛ ਜ ਝ ਞ ਟ ਠ ਡ ਢ ਣ ਤ ਥ ਦ ਧ ਨ ਪ ਫ ਬ ਭ ਮ ਯ ਰ ਲ ਲ਼ ਵ ਸ਼ ਸ ਹ ਼ ਾ ਿ ੀ ੁ ੂ ੇ ੈ ੋ ੌ ੍ ਖ਼ ਗ਼ ਜ਼ ੜ ਫ਼ ੦ ੧ ੨ ੩ ੪ ੫ ੬ ੭ ੮ ੯ ੰ ੱ ੲ ੳ ੴ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ઁ ં ઃ અ આ ઇ ઈ ઉ ઊ ઋ ઍ એ ઐ ઑ ઓ ઔ ક ખ ગ ઘ ઙ ચ છ જ ઝ ઞ ટ ઠ ડ ઢ ણ ત થ દ ધ ન પ ફ બ ભ મ ય ર લ ળ વ શ ષ સ હ ઼ ઽ ા િ ી ુ ૂ ૃ ૄ ૅ ે ૈ ૉ ો ૌ ્ ૐ ૠ ૦ ૧ ૨ ૩ ૪ ૫ ૬ ૭ ૮ ૯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ଁ ଂ ଃ ଅ ଆ ଇ ଈ ଉ ଊ ଋ ଌ ଏ ଐ ଓ ଔ କ ଖ ଗ ଘ ଙ ଚ ଛ ଜ ଝ ଞ ଟ ଠ ଡ ଢ ଣ ତ ଥ ଦ ଧ ନ ପ ଫ ବ ଭ ମ ଯ ର ଲ ଳ ଶ ଷ ସ ହ ଼ ଽ ା ି ୀ ୁ ୂ ୃ େ ୈ ୋ ୌ ୍ ୖ ୗ ଡ଼ ଢ଼ ୟ ୠ ୡ ୦ ୧ ୨ ୩ ୪ ୫ ୬ ୭ ୮ ୯ ୰"))))(_(_($62$$62$)(_(printS)(Fay$$list("ஂ ஃ அ ஆ இ ஈ உ ஊ எ ஏ ஐ ஒ ஓ ஔ க ங ச ஜ ஞ ட ண த ந ன ப ம ய ர ற ல ள ழ வ ஷ ஸ ஹ ா ி ீ ு ூ ெ ே ை ொ ோ ௌ ் ௗ ௧ ௨ ௩ ௪ ௫ ௬ ௭ ௮ ௯ ௰ ௱ ௲"))))(_(_($62$$62$)(_(printS)(Fay$$list("ఁ ం ః అ ఆ ఇ ఈ ఉ ఊ ఋ ఌ ఎ ఏ ఐ ఒ ఓ ఔ క ఖ గ ఘ ఙ చ ఛ జ ఝ ఞ ట ఠ డ ఢ ణ త థ ద ధ న ప ఫ బ భ మ య ర ఱ ల ళ వ శ ష స హ ా ి ీ ు ూ ృ ౄ ె ే ై ొ ో ౌ ్ ౕ ౖ ౠ ౡ ౦ ౧ ౨ ౩ ౪ ౫ ౬ ౭ ౮ ౯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ಂ ಃ ಅ ಆ ಇ ಈ ಉ ಊ ಋ ಌ ಎ ಏ ಐ ಒ ಓ ಔ ಕ ಖ ಗ ಘ ಙ ಚ ಛ ಜ ಝ ಞ ಟ ಠ ಡ ಢ ಣ ತ ಥ ದ ಧ ನ ಪ ಫ ಬ ಭ ಮ ಯ ರ ಱ ಲ ಳ ವ ಶ ಷ ಸ ಹ ಾ ಿ ೀ ು ೂ ೃ ೄ ೆ ೇ ೈ ೊ ೋ ೌ ್ ೕ ೖ ೞ ೠ ೡ ೦ ೧ ೨ ೩ ೪ ೫ ೬ ೭ ೮ ೯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ം ഃ അ ആ ഇ ഈ ഉ ഊ ഋ ഌ എ ഏ ഐ ഒ ഓ ഔ ക ഖ ഗ ഘ ങ ച ഛ ജ ഝ ഞ ട ഠ ഡ ഢ ണ ത ഥ ദ ധ ന പ ഫ ബ ഭ മ യ ര റ ല ള ഴ വ ശ ഷ സ ഹ ാ ി ീ ു ൂ ൃ െ േ ൈ ൊ ോ ൌ ് ൗ ൠ ൡ ൦ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮ ൯"))))(_(_($62$$62$)(_(printS)(Fay$$list("ก ข ฃ ค ฅ ฆ ง จ ฉ ช ซ ฌ ญ ฎ ฏ ฐ ฑ ฒ ณ ด ต ถ ท ธ น บ ป ผ ฝ พ ฟ ภ ม ย ร ฤ ล ฦ ว ศ ษ ส ห ฬ อ ฮ ฯ ะ ั า ำ ิ ี ึ ื ุ ู ฺ ฿ เ แ โ ใ ไ ๅ ๆ ็ ่ ้ ๊ ๋ ์ ํ ๎ ๏ ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ ๚ ๛"))))(_(_($62$$62$)(_(printS)(Fay$$list("ກ ຂ ຄ ງ ຈ ຊ ຍ ດ ຕ ຖ ທ ນ ບ ປ ຜ ຝ ພ ຟ ມ ຢ ຣ ລ ວ ສ ຫ ອ ຮ ຯ ະ ັ າ ຳ ິ ີ ຶ ື ຸ ູ ົ ຼ ຽ ເ ແ ໂ ໃ ໄ ໆ ່ ້ ໊ ໋ ໌ ໍ ໐ ໑ ໒ ໓ ໔ ໕ ໖ ໗ ໘ ໙ ໜ ໝ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ༀ ༁ ༂ ༃ ༄ ༅ ༆ ༇ ༈ ༉ ༊ ་ ༌ ། ༎ ༏ ༐ ༑ ༒ ༓ ༔ ༕ ༖ ༗ ༘ ༙ ༚ ༛ ༜ ༝ ༞ ༟ ༠ ༡ ༢ ༣ ༤ ༥ ༦ ༧ ༨ ༩ ༪ ༫ ༬ ༭ ༮ ༯ ༰ ༱ ༲ ༳ ༴ ༵ ༶ ༷ ༸ ༹ ༺ ༻ ༼ ༽ ༾ ༿ ཀ ཁ ག གྷ ང ཅ ཆ ཇ ཉ ཊ ཋ ཌ ཌྷ ཎ ཏ ཐ ད དྷ ན པ ཕ བ བྷ མ ཙ ཚ ཛ ཛྷ ཝ ཞ ཟ འ ཡ ར ལ ཤ ཥ ས ཧ ཨ ཀྵ ཱ ི ཱི ུ ཱུ ྲྀ ཷ ླྀ ཹ ེ ཻ ོ ཽ ཾ ཿ ྀ ཱྀ ྂ ྃ ྄ ྅ ྆ ྇ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ⴀ Ⴁ Ⴂ Ⴃ Ⴄ Ⴅ Ⴆ Ⴇ Ⴈ Ⴉ Ⴊ Ⴋ Ⴌ Ⴍ Ⴎ Ⴏ Ⴐ Ⴑ Ⴒ Ⴓ Ⴔ Ⴕ Ⴖ Ⴗ Ⴘ Ⴙ Ⴚ Ⴛ Ⴜ Ⴝ Ⴞ Ⴟ Ⴠ Ⴡ Ⴢ Ⴣ Ⴤ Ⴥ ა ბ გ დ ე ვ ზ თ ი კ ლ მ ნ ო პ ჟ რ ს ტ უ ფ ქ ღ ყ შ ჩ ც ძ წ ჭ ხ ჯ ჰ ჱ ჲ ჳ ჴ ჵ ჶ ჻"))))(_(_($62$$62$)(_(printS)(Fay$$list("ᄀ ᄁ ᄂ ᄃ ᄄ ᄅ ᄆ ᄇ ᄈ ᄉ ᄊ ᄋ ᄌ ᄍ ᄎ ᄏ ᄐ ᄑ ᄒ ᄓ ᄔ ᄕ ᄖ ᄗ ᄘ ᄙ ᄚ ᄛ ᄜ ᄝ ᄞ ᄟ ᄠ ᄡ ᄢ ᄣ ᄤ ᄥ ᄦ ᄧ ᄨ ᄩ ᄪ ᄫ ᄬ ᄭ ᄮ ᄯ ᄰ ᄱ ᄲ ᄳ ᄴ ᄵ ᄶ ᄷ ᄸ ᄹ ᄺ ᄻ ᄼ ᄽ ᄾ ᄿ ᅀ ᅁ ᅂ ᅃ ᅄ ᅅ ᅆ ᅇ ᅈ ᅉ ᅊ ᅋ ᅌ ᅍ ᅎ ᅏ ᅐ ᅑ ᅒ ᅓ ᅔ ᅕ ᅖ ᅗ ᅘ ᅙ ᅟ ᅠ ᅡ ᅢ ᅣ ᅤ ᅥ ᅦ ᅧ ᅨ ᅩ ᅪ ᅫ ᅬ ᅭ ᅮ ᅯ ᅰ ᅱ ᅲ ᅳ ᅴ ᅵ ᅶ ᅷ ᅸ ᅹ ᅺ ᅻ ᅼ ᅽ ᅾ ᅿ ᆀ ᆁ ᆂ ᆃ ᆄ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("Ḁ ḁ Ḃ ḃ Ḅ ḅ Ḇ ḇ Ḉ ḉ Ḋ ḋ Ḍ ḍ Ḏ ḏ Ḑ ḑ Ḓ ḓ Ḕ ḕ Ḗ ḗ Ḙ ḙ Ḛ ḛ Ḝ ḝ Ḟ ḟ Ḡ ḡ Ḣ ḣ Ḥ ḥ Ḧ ḧ Ḩ ḩ Ḫ ḫ Ḭ ḭ Ḯ ḯ Ḱ ḱ Ḳ ḳ Ḵ ḵ Ḷ ḷ Ḹ ḹ Ḻ ḻ Ḽ ḽ Ḿ ḿ Ṁ ṁ Ṃ ṃ Ṅ ṅ Ṇ ṇ Ṉ ṉ Ṋ ṋ Ṍ ṍ Ṏ ṏ Ṑ ṑ Ṓ ṓ Ṕ ṕ Ṗ ṗ Ṙ ṙ Ṛ ṛ Ṝ ṝ Ṟ ṟ Ṡ ṡ Ṣ ṣ Ṥ ṥ Ṧ ṧ Ṩ ṩ Ṫ ṫ Ṭ ṭ Ṯ ṯ Ṱ ṱ Ṳ ṳ Ṵ ṵ Ṷ ṷ Ṹ ṹ Ṻ ṻ Ṽ ṽ Ṿ ṿ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ Ἀ Ἁ Ἂ Ἃ Ἄ Ἅ Ἆ Ἇ ἐ ἑ ἒ ἓ ἔ ἕ Ἐ Ἑ Ἒ Ἓ Ἔ Ἕ ἠ ἡ ἢ ἣ ἤ ἥ ἦ ἧ Ἠ Ἡ Ἢ Ἣ Ἤ Ἥ Ἦ Ἧ ἰ ἱ ἲ ἳ ἴ ἵ ἶ ἷ Ἰ Ἱ Ἲ Ἳ Ἴ Ἵ Ἶ Ἷ ὀ ὁ ὂ ὃ ὄ ὅ Ὀ Ὁ Ὂ Ὃ Ὄ Ὅ ὐ ὑ ὒ ὓ ὔ ὕ ὖ ὗ Ὑ Ὓ Ὕ Ὗ ὠ ὡ ὢ ὣ ὤ ὥ ὦ ὧ Ὠ Ὡ Ὢ Ὣ Ὤ Ὥ Ὦ Ὧ ὰ ά ὲ έ ὴ ή ὶ ί ὸ ό ὺ ύ ὼ ώ ᾀ ᾁ ᾂ ᾃ ᾄ ᾅ ᾆ ᾇ ᾈ ᾉ ᾊ ᾋ ᾌ ᾍ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("‐ ‑ ‒ – — ― ‖ ‗ ‘ ’ ‚ ‛ “ ” „ ‟"))))(_(_($62$$62$)(_(printS)(Fay$$list("⁰ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁻ ⁼ ⁽ ⁾ ⁿ ₀ ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₊ ₋ ₌ ₍ ₎"))))(_(_($62$$62$)(_(printS)(Fay$$list("₠ ₡ ₢ ₣ ₤ ₥ ₦ ₧ ₨ ₩ ₪ ₫"))))(_(_($62$$62$)(_(printS)(Fay$$list("⃐ ⃑ ⃒ ⃓ ⃔ ⃕ ⃖ ⃗ ⃘ ⃙ ⃚ ⃛ ⃜ ⃝ ⃞ ⃟ ⃠ ⃡"))))(_(_($62$$62$)(_(printS)(Fay$$list("℀ ℁ ℂ ℃ ℄ ℅ ℆ ℇ ℈ ℉ ℊ ℋ ℌ ℍ ℎ ℏ ℐ ℑ ℒ ℓ ℔ ℕ № ℗ ℘ ℙ ℚ ℛ ℜ ℝ ℞ ℟ ℠ ℡ ™ ℣ ℤ ℥ Ω ℧ ℨ ℩ K Å ℬ ℭ ℮ ℯ ℰ ℱ Ⅎ ℳ ℴ ℵ ℶ ℷ ℸ"))))(_(_($62$$62$)(_(printS)(Fay$$list("⅓ ⅔ ⅕ ⅖ ⅗ ⅘ ⅙ ⅚ ⅛ ⅜ ⅝ ⅞ ⅟ Ⅰ Ⅱ Ⅲ Ⅳ Ⅴ Ⅵ Ⅶ Ⅷ Ⅸ Ⅹ Ⅺ Ⅻ Ⅼ Ⅽ Ⅾ Ⅿ ⅰ ⅱ ⅲ ⅳ ⅴ ⅵ ⅶ ⅷ ⅸ ⅹ ⅺ ⅻ ⅼ ⅽ ⅾ ⅿ ↀ ↁ ↂ"))))(_(_($62$$62$)(_(printS)(Fay$$list("← ↑ → ↓ ↔ ↕ ↖ ↗ ↘ ↙ ↚ ↛ ↜ ↝ ↞ ↟ ↠ ↡ ↢ ↣ ↤ ↥ ↦ ↧ ↨ ↩ ↪ ↫ ↬ ↭ ↮ ↯ ↰ ↱ ↲ ↳ ↴ ↵ ↶ ↷ ↸ ↹ ↺ ↻ ↼ ↽ ↾ ↿ ⇀ ⇁ ⇂ ⇃ ⇄ ⇅ ⇆ ⇇ ⇈ ⇉ ⇊ ⇋ ⇌ ⇍ ⇎ ⇏ ⇐ ⇑ ⇒ ⇓ ⇔ ⇕ ⇖ ⇗ ⇘ ⇙ ⇚ ⇛ ⇜ ⇝ ⇞ ⇟ ⇠ ⇡ ⇢ ⇣ ⇤ ⇥ ⇦ ⇧ ⇨ ⇩ ⇪"))))(_(_($62$$62$)(_(printS)(Fay$$list("∀ ∁ ∂ ∃ ∄ ∅ ∆ ∇ ∈ ∉ ∊ ∋ ∌ ∍ ∎ ∏ ∐ ∑ − ∓ ∔ ∕ ∖ ∗ ∘ ∙ √ ∛ ∜ ∝ ∞ ∟ ∠ ∡ ∢ ∣ ∤ ∥ ∦ ∧ ∨ ∩ ∪ ∫ ∬ ∭ ∮ ∯ ∰ ∱ ∲ ∳ ∴ ∵ ∶ ∷ ∸ ∹ ∺ ∻ ∼ ∽ ∾ ∿ ≀ ≁ ≂ ≃ ≄ ≅ ≆ ≇ ≈ ≉ ≊ ≋ ≌ ≍ ≎ ≏ ≐ ≑ ≒ ≓ ≔ ≕ ≖ ≗ ≘ ≙ ≚ ≛ ≜ ≝ ≞ ≟ ≠ ≡ ≢ ≣ ≤ ≥ ≦ ≧ ≨ ≩ ≪ ≫ ≬ ≭ ≮ ≯ ≰ ≱ ≲ ≳ ≴ ≵ ≶ ≷ ≸ ≹ ≺ ≻ ≼ ≽ ≾ ≿ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("⌀ ⌂ ⌃ ⌄ ⌅ ⌆ ⌇ ⌈ ⌉ ⌊ ⌋ ⌌ ⌍ ⌎ ⌏ ⌐ ⌑ ⌒ ⌓ ⌔ ⌕ ⌖ ⌗ ⌘ ⌙ ⌚ ⌛ ⌜ ⌝ ⌞ ⌟ ⌠ ⌡ ⌢ ⌣ ⌤ ⌥ ⌦ ⌧ ⌨ 〈 〉 ⌫ ⌬ ⌭ ⌮ ⌯ ⌰ ⌱ ⌲ ⌳ ⌴ ⌵ ⌶ ⌷ ⌸ ⌹ ⌺ ⌻ ⌼ ⌽ ⌾ ⌿ ⍀ ⍁ ⍂ ⍃ ⍄ ⍅ ⍆ ⍇ ⍈ ⍉ ⍊ ⍋ ⍌ ⍍ ⍎ ⍏ ⍐ ⍑ ⍒ ⍓ ⍔ ⍕ ⍖ ⍗ ⍘ ⍙ ⍚ ⍛ ⍜ ⍝ ⍞ ⍟ ⍠ ⍡ ⍢ ⍣ ⍤ ⍥ ⍦ ⍧ ⍨ ⍩ ⍪ ⍫ ⍬ ⍭ ⍮ ⍯ ⍰ ⍱ ⍲ ⍳ ⍴ ⍵ ⍶ ⍷ ⍸ ⍹ ⍺"))))(_(_($62$$62$)(_(printS)(Fay$$list("␀ ␁ ␂ ␃ ␄ ␅ ␆ ␇ ␈ ␉ ␊ ␋ ␌ ␍ ␎ ␏ ␐ ␑ ␒ ␓ ␔ ␕ ␖ ␗ ␘ ␙ ␚ ␛ ␜ ␝ ␞ ␟ ␠ ␡ ␢ ␣ ␤"))))(_(_($62$$62$)(_(printS)(Fay$$list("⑀ ⑁ ⑂ ⑃ ⑄ ⑅ ⑆ ⑇ ⑈ ⑉ ⑊"))))(_(_($62$$62$)(_(printS)(Fay$$list("① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯ ⑰ ⑱ ⑲ ⑳ ⑴ ⑵ ⑶ ⑷ ⑸ ⑹ ⑺ ⑻ ⑼ ⑽ ⑾ ⑿ ⒀ ⒁ ⒂ ⒃ ⒄ ⒅ ⒆ ⒇ ⒈ ⒉ ⒊ ⒋ ⒌ ⒍ ⒎ ⒏ ⒐ ⒑ ⒒ ⒓ ⒔ ⒕ ⒖ ⒗ ⒘ ⒙ ⒚ ⒛ ⒜ ⒝ ⒞ ⒟ ⒠ ⒡ ⒢ ⒣ ⒤ ⒥ ⒦ ⒧ ⒨ ⒩ ⒪ ⒫ ⒬ ⒭ ⒮ ⒯ ⒰ ⒱ ⒲ ⒳ ⒴ ⒵ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("─ ━ │ ┃ ┄ ┅ ┆ ┇ ┈ ┉ ┊ ┋ ┌ ┍ ┎ ┏ ┐ ┑ ┒ ┓ └ ┕ ┖ ┗ ┘ ┙ ┚ ┛ ├ ┝ ┞ ┟ ┠ ┡ ┢ ┣ ┤ ┥ ┦ ┧ ┨ ┩ ┪ ┫ ┬ ┭ ┮ ┯ ┰ ┱ ┲ ┳ ┴ ┵ ┶ ┷ ┸ ┹ ┺ ┻ ┼ ┽ ┾ ┿ ╀ ╁ ╂ ╃ ╄ ╅ ╆ ╇ ╈ ╉ ╊ ╋ ╌ ╍ ╎ ╏ ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ ╭ ╮ ╯ ╰ ╱ ╲ ╳ ╴ ╵ ╶ ╷ ╸ ╹ ╺ ╻ ╼ ╽ ╾ ╿"))))(_(_($62$$62$)(_(printS)(Fay$$list("▀ ▁ ▂ ▃ ▄ ▅ ▆ ▇ █ ▉ ▊ ▋ ▌ ▍ ▎ ▏ ▐ ░ ▒ ▓ ▔ ▕"))))(_(_($62$$62$)(_(printS)(Fay$$list("■ □ ▢ ▣ ▤ ▥ ▦ ▧ ▨ ▩ ▪ ▫ ▬ ▭ ▮ ▯ ▰ ▱ ▲ △ ▴ ▵ ▶ ▷ ▸ ▹ ► ▻ ▼ ▽ ▾ ▿ ◀ ◁ ◂ ◃ ◄ ◅ ◆ ◇ ◈ ◉ ◊ ○ ◌ ◍ ◎ ● ◐ ◑ ◒ ◓ ◔ ◕ ◖ ◗ ◘ ◙ ◚ ◛ ◜ ◝ ◞ ◟ ◠ ◡ ◢ ◣ ◤ ◥ ◦ ◧ ◨ ◩ ◪ ◫ ◬ ◭ ◮ ◯"))))(_(_($62$$62$)(_(printS)(Fay$$list("☀ ☁ ☂ ☃ ☄ ★ ☆ ☇ ☈ ☉ ☊ ☋ ☌ ☍ ☎ ☏ ☐ ☑ ☒ ☓ ☚ ☛ ☜ ☝ ☞ ☟ ☠ ☡ ☢ ☣ ☤ ☥ ☦ ☧ ☨ ☩ ☪ ☫ ☬ ☭ ☮ ☯ ☰ ☱ ☲ ☳ ☴ ☵ ☶ ☷ ☸ ☹ ☺ ☻ ☼ ☽ ☾ ☿ ♀ ♁ ♂ ♃ ♄ ♅ ♆ ♇ ♈ ♉ ♊ ♋ ♌ ♍ ♎ ♏ ♐ ♑ ♒ ♓ ♔ ♕ ♖ ♗ ♘ ♙ ♚ ♛ ♜ ♝ ♞ ♟ ♠ ♡ ♢ ♣ ♤ ♥ ♦ ♧ ♨ ♩ ♪ ♫ ♬ ♭ ♮ ♯"))))(_(_($62$$62$)(_(printS)(Fay$$list("✁ ✂ ✃ ✄ ✆ ✇ ✈ ✉ ✌ ✍ ✎ ✏ ✐ ✑ ✒ ✓ ✔ ✕ ✖ ✗ ✘ ✙ ✚ ✛ ✜ ✝ ✞ ✟ ✠ ✡ ✢ ✣ ✤ ✥ ✦ ✧ ✩ ✪ ✫ ✬ ✭ ✮ ✯ ✰ ✱ ✲ ✳ ✴ ✵ ✶ ✷ ✸ ✹ ✺ ✻ ✼ ✽ ✾ ✿ ❀ ❁ ❂ ❃ ❄ ❅ ❆ ❇ ❈ ❉ ❊ ❋ ❍ ❏ ❐ ❑ ❒ ❖ ❘ ❙ ❚ ❛ ❜ ❝ ❞ ❡ ❢ ❣ ❤ ❥ ❦ ❧ ❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾ ❿ ➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉ ➊ ➋ ➌ ➍ ➎ ➏ ➐ ➑ ➒ ➓ ➔ ➘ ➙ ➚ ➛ ➜ ➝ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("　 、 。 〃 〄 々 〆 〇 〈 〉 《 》 「 」 『 』 【 】 〒 〓 〔 〕 〖 〗 〘 〙 〚 〛 〜 〝 〞 〟 〠 〡 〢 〣 〤 〥 〦 〧 〨 〩 〪 〫 〬 〭 〮 〯 〰 〱 〲 〳 〴 〵 〶 〷 〿"))))(_(_($62$$62$)(_(printS)(Fay$$list("ぁ あ ぃ い ぅ う ぇ え ぉ お か が き ぎ く ぐ け げ こ ご さ ざ し じ す ず せ ぜ そ ぞ た だ ち ぢ っ つ づ て で と ど な に ぬ ね の は ば ぱ ひ び ぴ ふ ぶ ぷ へ べ ぺ ほ ぼ ぽ ま み む め も ゃ や ゅ ゆ ょ よ ら り る れ ろ ゎ わ ゐ ゑ を ん ゔ ゙ ゚ ゛ ゜ ゝ ゞ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ァ ア ィ イ ゥ ウ ェ エ ォ オ カ ガ キ ギ ク グ ケ ゲ コ ゴ サ ザ シ ジ ス ズ セ ゼ ソ ゾ タ ダ チ ヂ ッ ツ ヅ テ デ ト ド ナ ニ ヌ ネ ノ ハ バ パ ヒ ビ ピ フ ブ プ ヘ ベ ペ ホ ボ ポ マ ミ ム メ モ ャ ヤ ュ ユ ョ ヨ ラ リ ル レ ロ ヮ ワ ヰ ヱ ヲ ン ヴ ヵ ヶ ヷ ヸ ヹ ヺ ・ ー ヽ ヾ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ㄅ ㄆ ㄇ ㄈ ㄉ ㄊ ㄋ ㄌ ㄍ ㄎ ㄏ ㄐ ㄑ ㄒ ㄓ ㄔ ㄕ ㄖ ㄗ ㄘ ㄙ ㄚ ㄛ ㄜ ㄝ ㄞ ㄟ ㄠ ㄡ ㄢ ㄣ ㄤ ㄥ ㄦ ㄧ ㄨ ㄩ ㄪ ㄫ ㄬ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ㄱ ㄲ ㄳ ㄴ ㄵ ㄶ ㄷ ㄸ ㄹ ㄺ ㄻ ㄼ ㄽ ㄾ ㄿ ㅀ ㅁ ㅂ ㅃ ㅄ ㅅ ㅆ ㅇ ㅈ ㅉ ㅊ ㅋ ㅌ ㅍ ㅎ ㅏ ㅐ ㅑ ㅒ ㅓ ㅔ ㅕ ㅖ ㅗ ㅘ ㅙ ㅚ ㅛ ㅜ ㅝ ㅞ ㅟ ㅠ ㅡ ㅢ ㅣ ㅤ ㅥ ㅦ ㅧ ㅨ ㅩ ㅪ ㅫ ㅬ ㅭ ㅮ ㅯ ㅰ ㅱ ㅲ ㅳ ㅴ ㅵ ㅶ ㅷ ㅸ ㅹ ㅺ ㅻ ㅼ ㅽ ㅾ ㅿ ㆀ ㆁ ㆂ ㆃ ㆄ ㆅ ㆆ ㆇ ㆈ ㆉ ㆊ ㆋ ㆌ ㆍ ㆎ"))))(_(_($62$$62$)(_(printS)(Fay$$list("㆐ ㆑ ㆒ ㆓ ㆔ ㆕ ㆖ ㆗ ㆘ ㆙ ㆚ ㆛ ㆜ ㆝ ㆞ ㆟"))))(_(_($62$$62$)(_(printS)(Fay$$list("㈀ ㈁ ㈂ ㈃ ㈄ ㈅ ㈆ ㈇ ㈈ ㈉ ㈊ ㈋ ㈌ ㈍ ㈎ ㈏ ㈐ ㈑ ㈒ ㈓ ㈔ ㈕ ㈖ ㈗ ㈘ ㈙ ㈚ ㈛ ㈜ ㈠ ㈡ ㈢ ㈣ ㈤ ㈥ ㈦ ㈧ ㈨ ㈩ ㈪ ㈫ ㈬ ㈭ ㈮ ㈯ ㈰ ㈱ ㈲ ㈳ ㈴ ㈵ ㈶ ㈷ ㈸ ㈹ ㈺ ㈻ ㈼ ㈽ ㈾ ㈿ ㉀ ㉁ ㉂ ㉃ ㉠ ㉡ ㉢ ㉣ ㉤ ㉥ ㉦ ㉧ ㉨ ㉩ ㉪ ㉫ ㉬ ㉭ ㉮ ㉯ ㉰ ㉱ ㉲ ㉳ ㉴ ㉵ ㉶ ㉷ ㉸ ㉹ ㉺ ㉻ ㉿ ㊀ ㊁ ㊂ ㊃ ㊄ ㊅ ㊆ ㊇ ㊈ ㊉ ㊊ ㊋ ㊌ ㊍ ㊎ ㊏ ㊐ ㊑ ㊒ ㊓ ㊔ ㊕ ㊖ ㊗ ㊘ ㊙ ㊚ ㊛ ㊜ ㊝ ㊞ ㊟ ㊠ ㊡ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("㌀ ㌁ ㌂ ㌃ ㌄ ㌅ ㌆ ㌇ ㌈ ㌉ ㌊ ㌋ ㌌ ㌍ ㌎ ㌏ ㌐ ㌑ ㌒ ㌓ ㌔ ㌕ ㌖ ㌗ ㌘ ㌙ ㌚ ㌛ ㌜ ㌝ ㌞ ㌟ ㌠ ㌡ ㌢ ㌣ ㌤ ㌥ ㌦ ㌧ ㌨ ㌩ ㌪ ㌫ ㌬ ㌭ ㌮ ㌯ ㌰ ㌱ ㌲ ㌳ ㌴ ㌵ ㌶ ㌷ ㌸ ㌹ ㌺ ㌻ ㌼ ㌽ ㌾ ㌿ ㍀ ㍁ ㍂ ㍃ ㍄ ㍅ ㍆ ㍇ ㍈ ㍉ ㍊ ㍋ ㍌ ㍍ ㍎ ㍏ ㍐ ㍑ ㍒ ㍓ ㍔ ㍕ ㍖ ㍗ ㍘ ㍙ ㍚ ㍛ ㍜ ㍝ ㍞ ㍟ ㍠ ㍡ ㍢ ㍣ ㍤ ㍥ ㍦ ㍧ ㍨ ㍩ ㍪ ㍫ ㍬ ㍭ ㍮ ㍯ ㍰ ㍱ ㍲ ㍳ ㍴ ㍵ ㍶ ㍻ ㍼ ㍽ ㍾ ㍿ ㎀ ㎁ ㎂ ㎃ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("一 丁 丂 七 丄 丅 丆 万 丈 三 上 下 丌 不 与 丏 丐 丑 丒 专 且 丕 世 丗 丘 丙 业 丛 东 丝 丞 丟 丠 両 丢 丣 两 严 並 丧 丨 丩 个 丫 丬 中 丮 丯 丰 丱 串 丳 临 丵 丶 丷 丸 丹 为 主 丼 丽 举 丿 乀 乁 乂 乃 乄 久 乆 乇 么 义 乊 之 乌 乍 乎 乏 乐 乑 乒 乓 乔 乕 乖 乗 乘 乙 乚 乛 乜 九 乞 也 习 乡 乢 乣 乤 乥 书 乧 乨 乩 乪 乫 乬 乭 乮 乯 买 乱 乲 乳 乴 乵 乶 乷 乸 乹 乺 乻 乼 乽 乾 乿 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("가 각 갂 갃 간 갅 갆 갇 갈 갉 갊 갋 갌 갍 갎 갏 감 갑 값 갓 갔 강 갖 갗 갘 같 갚 갛 개 객 갞 갟 갠 갡 갢 갣 갤 갥 갦 갧 갨 갩 갪 갫 갬 갭 갮 갯 갰 갱 갲 갳 갴 갵 갶 갷 갸 갹 갺 갻 갼 갽 갾 갿 걀 걁 걂 걃 걄 걅 걆 걇 걈 걉 걊 걋 걌 걍 걎 걏 걐 걑 걒 걓 걔 걕 걖 걗 걘 걙 걚 걛 걜 걝 걞 걟 걠 걡 걢 걣 걤 걥 걦 걧 걨 걩 걪 걫 걬 걭 걮 걯 거 걱 걲 걳 건 걵 걶 걷 걸 걹 걺 걻 걼 걽 걾 걿 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("ﬀ ﬁ ﬂ ﬃ ﬄ ﬅ ﬆ ﬓ ﬔ ﬕ ﬖ ﬗ ﬞ ײַ ﬠ ﬡ ﬢ ﬣ ﬤ ﬥ ﬦ ﬧ ﬨ ﬩ שׁ שׂ שּׁ שּׂ אַ אָ אּ בּ גּ דּ הּ וּ זּ טּ יּ ךּ כּ לּ מּ נּ סּ ףּ פּ צּ קּ רּ שּ תּ וֹ בֿ כֿ פֿ ﭏ"))))(_(_($62$$62$)(_(printS)(Fay$$list("ﭐ ﭑ ﭒ ﭓ ﭔ ﭕ ﭖ ﭗ ﭘ ﭙ ﭚ ﭛ ﭜ ﭝ ﭞ ﭟ ﭠ ﭡ ﭢ ﭣ ﭤ ﭥ ﭦ ﭧ ﭨ ﭩ ﭪ ﭫ ﭬ ﭭ ﭮ ﭯ ﭰ ﭱ ﭲ ﭳ ﭴ ﭵ ﭶ ﭷ ﭸ ﭹ ﭺ ﭻ ﭼ ﭽ ﭾ ﭿ ﮀ ﮁ ﮂ ﮃ ﮄ ﮅ ﮆ ﮇ ﮈ ﮉ ﮊ ﮋ ﮌ ﮍ ﮎ ﮏ ﮐ ﮑ ﮒ ﮓ ﮔ ﮕ ﮖ ﮗ ﮘ ﮙ ﮚ ﮛ ﮜ ﮝ ﮞ ﮟ ﮠ ﮡ ﮢ ﮣ ﮤ ﮥ ﮦ ﮧ ﮨ ﮩ ﮪ ﮫ ﮬ ﮭ ﮮ ﮯ ﮰ ﮱ ﯓ ﯔ ﯕ ﯖ ﯗ ﯘ ﯙ ﯚ ﯛ ﯜ ﯝ ﯞ ﯟ ﯠ ﯡ ﯢ ﯣ ﯤ ﯥ ﯦ ﯧ ﯨ ﯩ ﯪ ﯫ ﯬ ﯭ ﯮ ﯯ ﯰ ..."))))(_(_($62$$62$)(_(printS)(Fay$$list("︠ ︡ ︢ ︣"))))(_(_($62$$62$)(_(printS)(Fay$$list("︰ ︱ ︲ ︳ ︴ ︵ ︶ ︷ ︸ ︹ ︺ ︻ ︼ ︽ ︾ ︿ ﹀ ﹁ ﹂ ﹃ ﹄ ﹉ ﹊ ﹋ ﹌ ﹍ ﹎ ﹏"))))(_(_($62$$62$)(_(printS)(Fay$$list("﹐ ﹑ ﹒ ﹔ ﹕ ﹖ ﹗ ﹘ ﹙ ﹚ ﹛ ﹜ ﹝ ﹞ ﹟ ﹠ ﹡ ﹢ ﹣ ﹤ ﹥ ﹦ ﹨ ﹩ ﹪ ﹫"))))(_(_($62$$62$)(_(printS)(Fay$$list("ﹰ ﹱ ﹲ ﹴ ﹶ ﹷ ﹸ ﹹ ﹺ ﹻ ﹼ ﹽ ﹾ ﹿ ﺀ ﺁ ﺂ ﺃ ﺄ ﺅ ﺆ ﺇ ﺈ ﺉ ﺊ ﺋ ﺌ ﺍ ﺎ ﺏ ﺐ ﺑ ﺒ ﺓ ﺔ ﺕ ﺖ ﺗ ﺘ ﺙ ﺚ ﺛ ﺜ ﺝ ﺞ ﺟ ﺠ ﺡ ﺢ ﺣ ﺤ ﺥ ﺦ ﺧ ﺨ ﺩ ﺪ ﺫ ﺬ ﺭ ﺮ ﺯ ﺰ ﺱ ﺲ ﺳ ﺴ ﺵ ﺶ ﺷ ﺸ ﺹ ﺺ ﺻ ﺼ ﺽ ﺾ ﺿ ﻀ ﻁ ﻂ ﻃ ﻄ ﻅ ﻆ ﻇ ﻈ ﻉ ﻊ ﻋ ﻌ ﻍ ﻎ ﻏ ﻐ ﻑ ﻒ ﻓ ﻔ ﻕ ﻖ ﻗ ﻘ ﻙ ﻚ ﻛ ﻜ ﻝ ﻞ ﻟ ﻠ ﻡ ﻢ ﻣ ﻤ ﻥ ﻦ ﻧ ﻨ ﻩ ﻪ ﻫ ﻬ ﻭ ﻮ ﻯ ﻰ ﻱ ..."))))(_(printS)(Fay$$list("！ ＂ ＃ ＄ ％ ＆ ＇ （ ） ＊ ＋ ， － ． ／ ０ １ ２ ３ ４ ５ ６ ７ ８ ９ ： ； ＜ ＝ ＞ ？ ＠ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ ［ ＼ ］ ＾ ＿ ｀ ａ ｂ ｃ ｄ ｅ ｆ ｇ ｈ ｉ ｊ ｋ ｌ ｍ ｎ ｏ ｐ ｑ ｒ ｓ ｔ ｕ ｖ ｗ ｘ ｙ ｚ ｛ ｜ ｝ ～ ｡ ｢ ｣ ､ ･ ｦ ｧ ｨ ｩ ｪ ｫ ｬ ｭ ｮ ｯ ｰ ｱ ｲ ｳ ｴ ｵ ｶ ｷ ｸ ｹ ｺ ｻ ｼ ｽ ｾ ｿ ﾀ ﾁ ﾂ ...")))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))));});var printS = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.printS = printS;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Utf8();
 main._(main.main);
 
diff --git a/tests/where.hs b/tests/where.hs
--- a/tests/where.hs
+++ b/tests/where.hs
@@ -1,5 +1,10 @@
 {-# LANGUAGE NoImplicitPrelude #-}
 
+module Where where
+
+import           Language.Fay.FFI
+import           Language.Fay.Prelude
+
 main = print $ "Hello " ++ friends ++ family
   where friends = "my friends"
         family = " and family"
diff --git a/tests/where.js b/tests/where.js
--- a/tests/where.js
+++ b/tests/where.js
@@ -1,6 +1,6 @@
 /** @constructor
 */
-var Main = function(){
+var Where = function(){
 var True = true;
 var False = false;
 
@@ -32,20 +32,14 @@
 }
 
 // Force the thunk.
-$.prototype.force = function(nocache){
-    return nocache
-        ? this.value()
-        : this.forced
-        ? this.value
-        : (this.forced = true, this.value = this.value());
+$.prototype.force = function(nocache) {
+  return nocache ?
+    this.value() :
+    (this.forced ?
+     this.value :
+     (this.value = this.value(), this.forced = true, this.value));
 };
 
-
-// Eval in the context of the Haskell bindings.
-function Fay$$eval(str){
-    return eval(str);
-}
-
 /*******************************************************************************
  * Monad.
  */
@@ -164,6 +158,11 @@
         jsObj = _(fayObj);
         break;
     }
+    case "int": {
+        // Serialize int, just force the argument. Ints are unboxed.
+        jsObj = _(fayObj);
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         jsObj = _(fayObj);
@@ -213,6 +212,14 @@
         fayObj = jsObj;
         break;
     }
+    case "int": {
+        // Int are unboxed, so there's no forcing to do.
+        // But we can do validation that the int has no decimal places.
+        // E.g. Math.round(x)!=x? throw "NOT AN INTEGER, GET OUT!"
+        fayObj = Math.round(jsObj);
+        if(fayObj!==jsObj) throw "Argument " + jsObj + " is not an integer!";
+        break;
+    }
     case "bool": {
         // Bools are unboxed.
         fayObj = jsObj;
@@ -274,30 +281,42 @@
 // Built-in *.
 function Fay$$mult(x){
     return function(y){
-        return _(x) * _(y);
+        return new $(function(){
+            return _(x) * _(y);
+        });
     };
 }
+var $42$ = Fay$$mult;
 
 // Built-in +.
 function Fay$$add(x){
     return function(y){
-        return _(x) + _(y);
+        return new $(function(){
+            return _(x) + _(y);
+        });
     };
 }
+var $43$ = Fay$$add;
 
 // Built-in -.
 function Fay$$sub(x){
     return function(y){
-        return _(x) - _(y);
+        return new $(function(){
+            return _(x) - _(y);
+        });
     };
 }
+var $45$ = Fay$$sub;
 
 // Built-in /.
 function Fay$$div(x){
     return function(y){
-        return _(x) / _(y);
+        return new $(function(){
+            return _(x) / _(y);
+        });
     };
 }
+var $47$ = Fay$$div;
 
 /*******************************************************************************
  * Booleans.
@@ -326,66 +345,98 @@
             if (lit1 === null || lit2 === null)
                 return lit1 === lit2;
         } while (true);
+    } else if (typeof lit1 == 'object' && typeof lit2 == 'object' && lit1 && lit2 &&
+              lit1.constructor === lit2.constructor) {
+      for(var x in lit1) {
+        if(!(lit1.hasOwnProperty(x) && lit2.hasOwnProperty(x) &&
+            Fay$$equal(lit1[x],lit2[x])))
+          return false;
+      }
+      return true;
     } else {
-        return false;
+      return false;
     }
 }
 
 // Built-in ==.
 function Fay$$eq(x){
     return function(y){
-        return Fay$$equal(x,y);
+        return new $(function(){
+            return Fay$$equal(x,y);
+        });
     };
 }
+var $61$$61$ = Fay$$eq;
 
 // Built-in /=.
 function Fay$$neq(x){
     return function(y){
-        return !(Fay$$equal(x,y));
+        return new $(function(){
+            return !(Fay$$equal(x,y));
+        });
     };
 }
+var $47$$61$ = Fay$$neq;
 
 // Built-in >.
 function Fay$$gt(x){
     return function(y){
-        return _(x) > _(y);
+        return new $(function(){
+            return _(x) > _(y);
+        });
     };
 }
+var $62$ = Fay$$gt;
 
 // Built-in <.
 function Fay$$lt(x){
     return function(y){
-        return _(x) < _(y);
+        return new $(function(){
+            return _(x) < _(y);
+        });
     };
 }
+var $60$ = Fay$$lt;
 
 // Built-in >=.
 function Fay$$gte(x){
     return function(y){
-        return _(x) >= _(y);
+        return new $(function(){
+            return _(x) >= _(y);
+        });
     };
 }
+var $62$$61$ = Fay$$gte;
 
 // Built-in <=.
 function Fay$$lte(x){
     return function(y){
-        return _(x) <= _(y);
+        return new $(function(){
+            return _(x) <= _(y);
+        });
     };
 }
+var $60$$61$ = Fay$$lte;
 
 // Built-in &&.
 function Fay$$and(x){
     return function(y){
-        return _(x) && _(y);
+        return new $(function(){
+            return _(x) && _(y);
+        });
     };
 }
+var $38$$38$ = Fay$$and;
 
 // Built-in ||.
 function Fay$$or(x){
     return function(y){
-        return _(x) || _(y);
+        return new $(function(){
+            return _(x) || _(y);
+        });
     };
 }
+var $124$$124$ = Fay$$or;
 
 /*******************************************************************************
  * Mutable references.
@@ -417,8 +468,55 @@
  * Application code.
  */
 
-var main = new $(function(){var friends = new $(function(){return Fay$$list("my friends");});var family = new $(function(){return Fay$$list(" and family");});return _(_($36$)(print))(_(_($43$$43$)(Fay$$list("Hello ")))(_(_($43$$43$)(friends))(family)));});var print = function($_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$_a)));});};var $_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $_Just(slot1);});};var $_Nothing = function(){};var Nothing = new $(function(){return new $_Nothing();});var show = function($_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$_a)));});};var fromInteger = function($_a){return new $(function(){var x = $_a;return x;});};var fromRational = function($_a){return new $(function(){var x = $_a;return x;});};var snd = function($_a){return new $(function(){var x = Fay$$index(1)(_($_a));return x;throw ["unhandled case in Ident \"snd\"",[$_a]];});};var fst = function($_a){return new $(function(){var x = Fay$$index(0)(_($_a));return x;throw ["unhandled case in Ident \"fst\"",[$_a]];});};var find = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$_a,$_b]];});};};var any = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$_a,$_b]];});};};var filter = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var p = $_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$_a,$_b]];});};};var not = function($_a){return new $(function(){var p = $_a;return _(p) ? false : true;});};var $_null = function($_a){return new $(function(){if (_($_a) === null) {return true;}return false;});};var map = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$_a,$_b]];});};};var nub = function($_a){return new $(function(){var ls = $_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($_a){return function($_b){return new $(function(){if (_($_a) === null) {return null;}var ls = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$_a,$_b]];});};};var elem = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var y = $_$_b.car;var ys = $_$_b.cdr;var x = $_a;return _(_(_(Fay$$eq)(x))(y)) || _(_(_(elem)(x))(ys));}if (_($_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$_a,$_b]];});};};var $_GT = function(){};var GT = new $(function(){return new $_GT();});var $_LT = function(){};var LT = new $(function(){return new $_LT();});var $_EQ = function(){};var EQ = new $(function(){return new $_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(x) > _(y)) ? GT : _(_(x) < _(y)) ? LT : EQ;});};};var sortBy = function($_a){return new $(function(){var cmp = $_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var x = $_b;return Fay$$list([x]);}var ys = $_c;var x = $_b;var cmp = $_a;return (function($_ys){if (_($_ys) === null) {return Fay$$list([x]);}var $_$_ys = _($_ys);if ($_$_ys instanceof Fay$$Cons) {var y = $_$_ys.car;var ys$39$ = $_$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$_ys]); })();})(ys);});};};};var when = function($_a){return function($_b){return new $(function(){var m = $_b;var p = $_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($_a){return new $(function(){var i = $_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(i) + 1));});};var enumFromTo = function($_a){return function($_b){return new $(function(){var n = $_b;var i = $_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(i) + 1))(n));});};};var zipWith = function($_a){return function($_b){return function($_c){return new $(function(){var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var b = $_$_c.car;var bs = $_$_c.cdr;var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var a = $_$_b.car;var as = $_$_b.cdr;var f = $_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var b = $_$_b.car;var bs = $_$_b.cdr;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var a = $_$_a.car;var as = $_$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($_a){return function($_b){return function($_c){return new $(function(){var y = $_c;var x = $_b;var f = $_a;return _(_(f)(y))(x);});};};};var maybe = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) instanceof $_Nothing) {var m = $_a;return m;}if (_($_c) instanceof $_Just) {var x = _($_c).slot1;var f = $_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$_a,$_b,$_c]];});};};};var $46$ = function($_a){return function($_b){return function($_c){return new $(function(){var x = $_c;var g = $_b;var f = $_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($_a){return function($_b){return new $(function(){var y = $_b;var x = $_a;return _(_(conc)(x))(y);});};};var $36$ = function($_a){return function($_b){return new $(function(){var x = $_b;var f = $_a;return _(f)(x);});};};var conc = function($_a){return function($_b){return new $(function(){var ys = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $_b;if (_($_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$_a,$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$_a,$_b,$_c]];});};};};var foldl = function($_a){return function($_b){return function($_c){return new $(function(){if (_($_c) === null) {var z = $_b;return z;}var $_$_c = _($_c);if ($_$_c instanceof Fay$$Cons) {var x = $_$_c.car;var xs = $_$_c.cdr;var z = $_b;var f = $_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$_a,$_b,$_c]];});};};};var lookup = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {var _key = $_a;return Nothing;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($_$_b.car));var y = Fay$$index(1)(_($_$_b.car));var xys = $_$_b.cdr;var key = $_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$_a,$_b]];});};};var intersperse = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$_a,$_b]];});};};var prependToAll = function($_a){return function($_b){return new $(function(){if (_($_b) === null) {return null;}var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var sep = $_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$_a,$_b]];});};};var intercalate = function($_a){return function($_b){return new $(function(){var xss = $_b;var xs = $_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($_a){return function($_b){return new $(function(){var m = $_b;var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$_a,$_b]];});};};var mapM_ = function($_a){return function($_b){return new $(function(){var $_$_b = _($_b);if ($_$_b instanceof Fay$$Cons) {var x = $_$_b.car;var xs = $_$_b.cdr;var m = $_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$_a,$_b]];});};};var $_const = function($_a){return function($_b){return new $(function(){var a = $_a;return a;});};};var length = function($_a){return new $(function(){var $_$_a = _($_a);if ($_$_a instanceof Fay$$Cons) {var x = $_$_a.car;var xs = $_$_a.cdr;return 1 + _(_(length)(xs));}if (_($_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$_a]];});};var mod = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$_a) % Fay$$fayToJs(["double"],$_b));});};};var min = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var max = function($_a){return function($_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$_a),Fay$$fayToJs(["double"],$_b)));});};};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $_EQ) {return {"instance": "EQ"};}if (_obj instanceof $_LT) {return {"instance": "LT"};}if (_obj instanceof $_GT) {return {"instance": "GT"};}if (_obj instanceof $_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $_EQ();}if (obj["instance"] === "LT") {return new $_LT();}if (obj["instance"] === "GT") {return new $_GT();}if (obj["instance"] === "Nothing") {return new $_Nothing();}if (obj["instance"] === "Just") {return new $_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
+var main = new $(function(){var friends = new $(function(){return Fay$$list("my friends");});var family = new $(function(){return Fay$$list(" and family");});return _(_($36$)(print))(_(_($43$$43$)(Fay$$list("Hello ")))(_(_($43$$43$)(friends))(family)));});var print = function($36$_a){return new $(function(){return Fay$$jsToFay(["action",[["unknown"]]],console.log(Fay$$fayToJs(["string"],$36$_a)));});};var $36$_Just = function(slot1){this.slot1 = slot1;};var Just = function(slot1){return new $(function(){return new $36$_Just(slot1);});};var $36$_Nothing = function(){};var Nothing = new $(function(){return new $36$_Nothing();});var show = function($36$_a){return new $(function(){return Fay$$jsToFay(["string"],JSON.stringify(Fay$$fayToJs(["unknown"],$36$_a)));});};var fromInteger = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var fromRational = function($36$_a){return new $(function(){var x = $36$_a;return x;});};var snd = function($36$_a){return new $(function(){var x = Fay$$index(1)(_($36$_a));return x;throw ["unhandled case in Ident \"snd\"",[$36$_a]];});};var fst = function($36$_a){return new $(function(){var x = Fay$$index(0)(_($36$_a));return x;throw ["unhandled case in Ident \"fst\"",[$36$_a]];});};var find = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(Just)(x) : _(_(find)(p))(xs);}if (_($36$_b) === null) {return Nothing;}throw ["unhandled case in Ident \"find\"",[$36$_a,$36$_b]];});};};var any = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? true : _(_(any)(p))(xs);}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"any\"",[$36$_a,$36$_b]];});};};var filter = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var p = $36$_a;return _(_(p)(x)) ? _(_(Fay$$cons)(x))(_(_(filter)(p))(xs)) : _(_(filter)(p))(xs);}if (_($36$_b) === null) {return null;}throw ["unhandled case in Ident \"filter\"",[$36$_a,$36$_b]];});};};var not = function($36$_a){return new $(function(){var p = $36$_a;return _(p) ? false : true;});};var $_null = function($36$_a){return new $(function(){if (_($36$_a) === null) {return true;}return false;});};var map = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(f)(x)))(_(_(map)(f))(xs));}throw ["unhandled case in Ident \"map\"",[$36$_a,$36$_b]];});};};var nub = function($36$_a){return new $(function(){var ls = $36$_a;return _(_(nub$39$)(ls))(null);});};var nub$39$ = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_a) === null) {return null;}var ls = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(_(elem)(x))(ls)) ? _(_(nub$39$)(xs))(ls) : _(_(Fay$$cons)(x))(_(_(nub$39$)(xs))(_(_(Fay$$cons)(x))(ls)));}throw ["unhandled case in Ident \"nub'\"",[$36$_a,$36$_b]];});};};var elem = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var y = $36$_$36$_b.car;var ys = $36$_$36$_b.cdr;var x = $36$_a;return _(Fay$$or)(_(_(_(Fay$$eq)(x))(y)))(_(_(_(elem)(x))(ys)));}if (_($36$_b) === null) {return false;}throw ["unhandled case in Ident \"elem\"",[$36$_a,$36$_b]];});};};var $36$_GT = function(){};var GT = new $(function(){return new $36$_GT();});var $36$_LT = function(){};var LT = new $(function(){return new $36$_LT();});var $36$_EQ = function(){};var EQ = new $(function(){return new $36$_EQ();});var sort = new $(function(){return _(sortBy)(compare);});var compare = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(Fay$$gt)(_(x))(_(y))) ? GT : _(_(Fay$$lt)(_(x))(_(y))) ? LT : EQ;});};};var sortBy = function($36$_a){return new $(function(){var cmp = $36$_a;return _(_(foldr)(_(insertBy)(cmp)))(null);});};var insertBy = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var x = $36$_b;return Fay$$list([x]);}var ys = $36$_c;var x = $36$_b;var cmp = $36$_a;return (function($36$_ys){if (_($36$_ys) === null) {return Fay$$list([x]);}var $36$_$36$_ys = _($36$_ys);if ($36$_$36$_ys instanceof Fay$$Cons) {var y = $36$_$36$_ys.car;var ys$39$ = $36$_$36$_ys.cdr;return (function($tmp){if (_($tmp) instanceof $36$_GT) {return _(_(Fay$$cons)(y))(_(_(_(insertBy)(cmp))(x))(ys$39$));}return _(_(Fay$$cons)(x))(ys);})(_(_(cmp)(x))(y));}return (function(){ throw (["unhandled case",$36$_ys]); })();})(ys);});};};};var when = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var p = $36$_a;return _(p) ? _(_($62$$62$)(m))(_($_return)(Fay$$unit)) : _($_return)(Fay$$unit);});};};var enumFrom = function($36$_a){return new $(function(){var i = $36$_a;return _(_(Fay$$cons)(i))(_(enumFrom)(_(Fay$$add)(_(i))(1)));});};var enumFromTo = function($36$_a){return function($36$_b){return new $(function(){var n = $36$_b;var i = $36$_a;return _(_(_(Fay$$eq)(i))(n)) ? Fay$$list([i]) : _(_(Fay$$cons)(i))(_(_(enumFromTo)(_(Fay$$add)(_(i))(1)))(n));});};};var zipWith = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var b = $36$_$36$_c.car;var bs = $36$_$36$_c.cdr;var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var a = $36$_$36$_b.car;var as = $36$_$36$_b.cdr;var f = $36$_a;return _(_(Fay$$cons)(_(_(f)(a))(b)))(_(_(_(zipWith)(f))(as))(bs));}}return null;});};};};var zip = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var b = $36$_$36$_b.car;var bs = $36$_$36$_b.cdr;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var a = $36$_$36$_a.car;var as = $36$_$36$_a.cdr;return _(_(Fay$$cons)(Fay$$list([a,b])))(_(_(zip)(as))(bs));}}return null;});};};var flip = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var y = $36$_c;var x = $36$_b;var f = $36$_a;return _(_(f)(y))(x);});};};};var maybe = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) instanceof $36$_Nothing) {var m = $36$_a;return m;}if (_($36$_c) instanceof $36$_Just) {var x = _($36$_c).slot1;var f = $36$_b;return _(f)(x);}throw ["unhandled case in Ident \"maybe\"",[$36$_a,$36$_b,$36$_c]];});};};};var $46$ = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){var x = $36$_c;var g = $36$_b;var f = $36$_a;return _(f)(_(g)(x));});};};};var $43$$43$ = function($36$_a){return function($36$_b){return new $(function(){var y = $36$_b;var x = $36$_a;return _(_(conc)(x))(y);});};};var $36$ = function($36$_a){return function($36$_b){return new $(function(){var x = $36$_b;var f = $36$_a;return _(f)(x);});};};var conc = function($36$_a){return function($36$_b){return new $(function(){var ys = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_(Fay$$cons)(x))(_(_(conc)(xs))(ys));}var ys = $36$_b;if (_($36$_a) === null) {return ys;}throw ["unhandled case in Ident \"conc\"",[$36$_a,$36$_b]];});};};var concat = new $(function(){return _(_(foldr)(conc))(null);});var foldr = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(f)(x))(_(_(_(foldr)(f))(z))(xs));}throw ["unhandled case in Ident \"foldr\"",[$36$_a,$36$_b,$36$_c]];});};};};var foldl = function($36$_a){return function($36$_b){return function($36$_c){return new $(function(){if (_($36$_c) === null) {var z = $36$_b;return z;}var $36$_$36$_c = _($36$_c);if ($36$_$36$_c instanceof Fay$$Cons) {var x = $36$_$36$_c.car;var xs = $36$_$36$_c.cdr;var z = $36$_b;var f = $36$_a;return _(_(_(foldl)(f))(_(_(f)(z))(x)))(xs);}throw ["unhandled case in Ident \"foldl\"",[$36$_a,$36$_b,$36$_c]];});};};};var lookup = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {var _key = $36$_a;return Nothing;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = Fay$$index(0)(_($36$_$36$_b.car));var y = Fay$$index(1)(_($36$_$36$_b.car));var xys = $36$_$36$_b.cdr;var key = $36$_a;return _(_(_(Fay$$eq)(key))(x)) ? _(Just)(y) : _(_(lookup)(key))(xys);}throw ["unhandled case in Ident \"lookup\"",[$36$_a,$36$_b]];});};};var intersperse = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs));}throw ["unhandled case in Ident \"intersperse\"",[$36$_a,$36$_b]];});};};var prependToAll = function($36$_a){return function($36$_b){return new $(function(){if (_($36$_b) === null) {return null;}var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var sep = $36$_a;return _(_(Fay$$cons)(sep))(_(_(Fay$$cons)(x))(_(_(prependToAll)(sep))(xs)));}throw ["unhandled case in Ident \"prependToAll\"",[$36$_a,$36$_b]];});};};var intercalate = function($36$_a){return function($36$_b){return new $(function(){var xss = $36$_b;var xs = $36$_a;return _(concat)(_(_(intersperse)(xs))(xss));});};};var forM_ = function($36$_a){return function($36$_b){return new $(function(){var m = $36$_b;var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($62$$62$)(_(m)(x)))(_(_(forM_)(xs))(m));}if (_($36$_a) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"forM_\"",[$36$_a,$36$_b]];});};};var mapM_ = function($36$_a){return function($36$_b){return new $(function(){var $36$_$36$_b = _($36$_b);if ($36$_$36$_b instanceof Fay$$Cons) {var x = $36$_$36$_b.car;var xs = $36$_$36$_b.cdr;var m = $36$_a;return _(_($62$$62$)(_(m)(x)))(_(_(mapM_)(m))(xs));}if (_($36$_b) === null) {return _($_return)(Fay$$unit);}throw ["unhandled case in Ident \"mapM_\"",[$36$_a,$36$_b]];});};};var $_const = function($36$_a){return function($36$_b){return new $(function(){var a = $36$_a;return a;});};};var length = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var xs = $36$_$36$_a.cdr;return _(Fay$$add)(1)(_(_(length)(xs)));}if (_($36$_a) === null) {return 0;}throw ["unhandled case in Ident \"length\"",[$36$_a]];});};var mod = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["double"],$36$_a) % Fay$$fayToJs(["double"],$36$_b));});};};var min = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.min(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var max = function($36$_a){return function($36$_b){return new $(function(){return Fay$$jsToFay(["double"],Math.max(Fay$$fayToJs(["double"],$36$_a),Fay$$fayToJs(["double"],$36$_b)));});};};var fromIntegral = function($36$_a){return new $(function(){return Fay$$jsToFay(["double"],Fay$$fayToJs(["int"],$36$_a));});};var otherwise = true;var reverse = function($36$_a){return new $(function(){var $36$_$36$_a = _($36$_a);if ($36$_$36$_a instanceof Fay$$Cons) {var x = $36$_$36$_a.car;var xs = $36$_$36$_a.cdr;return _(_($43$$43$)(_(reverse)(xs)))(Fay$$list([x]));}if (_($36$_a) === null) {return null;}throw ["unhandled case in Ident \"reverse\"",[$36$_a]];});};var Fay$$fayToJsUserDefined = function(type,obj){var _obj = _(obj);var argTypes = type[2];if (_obj instanceof $36$_EQ) {return {"instance": "EQ"};}if (_obj instanceof $36$_LT) {return {"instance": "LT"};}if (_obj instanceof $36$_GT) {return {"instance": "GT"};}if (_obj instanceof $36$_Nothing) {return {"instance": "Nothing"};}if (_obj instanceof $36$_Just) {return {"instance": "Just","slot1": Fay$$fayToJs(["unknown"],_(_obj.slot1))};}return obj;};var Fay$$jsToFayUserDefined = function(type,obj){if (obj["instance"] === "EQ") {return new $36$_EQ();}if (obj["instance"] === "LT") {return new $36$_LT();}if (obj["instance"] === "GT") {return new $36$_GT();}if (obj["instance"] === "Nothing") {return new $36$_Nothing();}if (obj["instance"] === "Just") {return new $36$_Just(Fay$$jsToFay(["unknown"],obj["slot1"]));}return obj;};
 // Exports
+this.reverse = reverse;
+this.otherwise = otherwise;
+this.fromIntegral = fromIntegral;
+this.max = max;
+this.min = min;
+this.mod = mod;
+this.length = length;
+this.$_const = $_const;
+this.mapM_ = mapM_;
+this.forM_ = forM_;
+this.intercalate = intercalate;
+this.prependToAll = prependToAll;
+this.intersperse = intersperse;
+this.lookup = lookup;
+this.foldl = foldl;
+this.foldr = foldr;
+this.concat = concat;
+this.conc = conc;
+this.$36$ = $36$;
+this.$43$$43$ = $43$$43$;
+this.$46$ = $46$;
+this.maybe = maybe;
+this.flip = flip;
+this.zip = zip;
+this.zipWith = zipWith;
+this.enumFromTo = enumFromTo;
+this.enumFrom = enumFrom;
+this.when = when;
+this.insertBy = insertBy;
+this.sortBy = sortBy;
+this.compare = compare;
+this.sort = sort;
+this.elem = elem;
+this.nub$39$ = nub$39$;
+this.nub = nub;
+this.map = map;
+this.$_null = $_null;
+this.not = not;
+this.filter = filter;
+this.any = any;
+this.find = find;
+this.fst = fst;
+this.snd = snd;
+this.fromRational = fromRational;
+this.fromInteger = fromInteger;
+this.show = show;
+this.print = print;
 this.main = main;
 
 // Built-ins
@@ -429,6 +527,6 @@
 
 };
 ;
-var main = new Main();
+var main = new Where();
 main._(main.main);
 
