minioperational 0.4.7 → 0.4.8

raw patch · 3 files changed

+26/−9 lines, 3 files

Files

• Control/Monad/Operational/Mini.hs +4/−4
• Control/Monad/Trans/Operational/Mini.hs +21/−4
• minioperational.cabal +1/−1

@@ -50,8 +50,8 @@ cloneProgram (Program m) = m return ((>>=) . elevate)
 
 instance Tower (Program t) where
-    type Floors (Program t) = t :> Empty
-    toLoft = simply $ \t -> Program $ \p i -> i t p
+    type Floors (Program t) = t :> ReifiedProgram t :> Empty
+    toLoft = (\t -> Program $ \p i -> i t p) ||> fromReified ||> exhaust
 
 -- | Reified version of 'Program'. It is useful for testing.
 data ReifiedProgram t a where
@@ -82,5 +82,5 @@     (t :>>= m) >>= k = t :>>= (>>= k) . m
 
 instance Tower (ReifiedProgram t) where
-    type Floors (ReifiedProgram t) = t :> Empty
-    toLoft = simply (:>>= Return)+    type Floors (ReifiedProgram t) = t :> Program t :> Empty
+    toLoft = (:>>= Return) ||> cloneProgram ||> exhaust

@@ -33,6 +33,7 @@ import Control.Monad.Trans.Class import Control.Elevator import Data.OpenUnion1.Clean+import qualified Control.Monad.Operational.Mini as P  newtype ProgramT t m a = ProgramT   { unProgramT :: forall r. (a -> r) -> (m r -> r) -> (forall x. t x -> (x -> r) -> r) -> r }@@ -59,8 +60,16 @@ interpret e (ProgramT m) = m return join (\t c -> e t >>= c)  instance (Monad m, Tower m) => Tower (ProgramT t m) where-    type Floors (ProgramT t m) = t :> Floors1 m-    toLoft = (\t -> ProgramT $ \p _ i -> i t p) ||> lift . toLoft1+    type Floors (ProgramT t m) = t+      :> ReifiedProgramT t m+      :> P.Program t+      :> P.ReifiedProgram t+      :> Floors1 m+    toLoft = (\t -> ProgramT $ \p _ i -> i t p)+      ||> fromReifiedT+      ||> P.cloneProgram+      ||> P.cloneProgram . P.fromReified+      ||> lift . toLoft1  instance MonadTrans (ProgramT t) where     lift m = ProgramT $ \p l _ -> l (liftM p m)@@ -110,7 +119,15 @@     Lift a c >>= f = Lift a (c >=> f)  instance (Monad m, Tower m) => Tower (ReifiedProgramT t m) where-    type Floors (ReifiedProgramT t m) = t :> Floors1 m-    toLoft = (:>>= Return) ||> lift . toLoft1+    type Floors (ReifiedProgramT t m) = t+      :> ProgramT t m+      :> P.Program t+      :> P.ReifiedProgram t+      :> Floors1 m+    toLoft = (:>>= Return)+      ||> cloneProgramT+      ||> P.cloneProgram+      ||> P.cloneProgram . P.fromReified+      ||> lift . toLoft1  instance MonadTrans (ReifiedProgramT t) where lift = flip Lift Return

@@ -1,5 +1,5 @@ name:                minioperational
-version:             0.4.7
+version:             0.4.8
 synopsis:            fast and simple operational monad
 description:         This package provides tiny implementation of operational monad.
 homepage:            https://github.com/fumieval/minioperational