summaryrefslogtreecommitdiff
path: root/tests/examples/ghc86/TH_repGuard.hs
diff options
context:
space:
mode:
Diffstat (limited to 'tests/examples/ghc86/TH_repGuard.hs')
-rw-r--r--tests/examples/ghc86/TH_repGuard.hs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/examples/ghc86/TH_repGuard.hs b/tests/examples/ghc86/TH_repGuard.hs
new file mode 100644
index 0000000..15d5c85
--- /dev/null
+++ b/tests/examples/ghc86/TH_repGuard.hs
@@ -0,0 +1,35 @@
+{-# LANGUAGE TemplateHaskell #-}
+module Main
+where
+
+import Language.Haskell.TH
+import System.IO
+
+$(
+ do ds <- [d|
+ foo :: Int -> Int
+ foo x
+ | x == 5 = 6
+ foo x = 7
+ |]
+ runIO $ do { putStrLn (pprint ds); hFlush stdout }
+ return ds
+ )
+
+$(
+ do ds <- [d|
+ bar :: Maybe Int -> Int
+ bar x
+ | Just y <- x = y
+ bar _ = 9
+ |]
+ runIO $ do { putStrLn (pprint ds) ; hFlush stdout }
+ return ds
+ )
+
+main :: IO ()
+main = do putStrLn $ show $ foo 5
+ putStrLn $ show $ foo 8
+ putStrLn $ show $ bar (Just 2)
+ putStrLn $ show $ bar Nothing
+