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[project @ 1997-09-08 09:48:01 by simonm]
[ghc-hetmet.git]
/
ghc
/
tests
/
typecheck
/
should_run
/
tcrun001.hs
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--!! Test for (->) instances
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module ShouldRun where
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class Flob k where
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twice :: k a a -> k a a
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instance Flob (->) where
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twice f = f . f
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inc :: Int -> Int
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inc x = x+1
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main = print (twice inc 2)
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