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T2538.hs:6:6: error:
• Illegal qualified type: Eq a => a -> a
Perhaps you intended to use RankNTypes
• In the type signature:
f :: (Eq a => a -> a) -> Int
T2538.hs:9:6: error:
• Illegal qualified type: Eq a => a -> a
GHC doesn't yet support impredicative polymorphism
• In the type signature:
g :: [Eq a => a -> a] -> Int
T2538.hs:12:6: error:
• Illegal qualified type: Eq a => a -> a
GHC doesn't yet support impredicative polymorphism
• In the type signature:
h :: Ix (Eq a => a -> a) => Int
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