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authorAlec Theriault <alec.theriault@gmail.com>2020-03-20 20:17:01 -0400
committerAlec Theriault <alec.theriault@gmail.com>2020-03-20 20:17:01 -0400
commit053c9add568dad4264f4629bff0de9b10d9316e1 (patch)
tree0e6f4de693a1748fb59df1ef32e5596e6008af0b /html-test/src/Bug975.hs
parent70f4b3a03a47b38ee301f0da9c72d5a7ff0ed9b0 (diff)
parentdae8d9de6aaf3913a3776f1af235fb72404e9970 (diff)
Merge branch 'ghc-8.8' into ghc-8.10
Diffstat (limited to 'html-test/src/Bug975.hs')
-rw-r--r--html-test/src/Bug975.hs15
1 files changed, 15 insertions, 0 deletions
diff --git a/html-test/src/Bug975.hs b/html-test/src/Bug975.hs
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+{-# LANGUAGE ExplicitForAll #-}
+module Bug973 where
+
+showRead
+ :: forall a b. (Show a, Read b)
+ => a -- ^ this gets turned into a string...
+ -> b -- ^ ...from which this is read
+showRead = read . show
+
+-- | Same as 'showRead', but with type variable order flipped
+showRead'
+ :: forall b a. (Show a, Read b)
+ => a -- ^ this gets turned into a string...
+ -> b -- ^ ...from which this is read
+showRead' = read . show