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{-# LANGUAGE Haskell2010 #-}
-- !!! tcfail044: duplicated type variable in instance decls
--
module ShouldFail where
instance (Eq a) => Eq (a->a)
instance Show (a->b)
instance (Num a) => Num (a->a) where
f + g = \x -> f x + g x
negate f = \x -> - (f x)
f * g = \x -> f x * g x
fromInteger n = \x -> fromInteger n
ss :: Float -> Float
cc :: Float -> Float
tt :: Float -> Float
ss = sin * sin
cc = cos * cos
tt = ss + cc
--main = putStr ((show (tt 0.4))++ " "++(show (tt 1.652)))
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