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-- !!! Duplicate class assertion warning
-- ghc 6.6 now warns about duplicate class assertions,
module ShouldSucceed where
class Eq' a where
doubleeq :: a -> a -> Bool
class (Eq' a) => Ord' a where
lt :: a -> a -> Bool
instance Eq' Int where
doubleeq x y = True
instance (Eq' a, Eq' a) => Eq' [a] where
doubleeq x y = True
f x y = doubleeq x [1]
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