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authorAlec Theriault <alec.theriault@gmail.com>2019-03-03 09:23:26 -0800
committerAlec Theriault <alec.theriault@gmail.com>2019-03-03 09:23:26 -0800
commit6c53d18eb2f4e39177174a93d9a8a981a6597962 (patch)
tree8456e315e51390560f4de68b718709705b3ae163 /html-test/src/Bug975.hs
parentb682041ed1cbeaf5aa501f85e4e46a6d2e39da3a (diff)
parent8964666efc4d4ab9756a83d16a02115a38744408 (diff)
Merge branch 'ghc-8.6' into ghc-8.8
Diffstat (limited to 'html-test/src/Bug975.hs')
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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