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|
-- !!! instances of functions
--
module ShouldFail where
data NUM = ONE | TWO
class EQ a where
(===) :: a -> a -> Bool
class ORD a where
(<<) :: a -> a -> Bool
a << b = True
instance EQ (a -> b) where
f === g = True
instance ORD (a -> b)
f = (<<) === (<<)
--f :: (EQ a,Num a) => a -> a -> Bool
{-
instance EQ NUM where
-- a /= b = False
a === b = True
-- a /= b = False
-}
|
