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{-# LANGUAGE Haskell2010 #-}
{-# LANGUAGE QuantifiedConstraints #-}
module QuantifiedConstraints where
class Foo a where
fooed :: a
needsParensAroundContext :: (forall x. Foo (f x)) => f Int
needsParensAroundContext = fooed
needsNoParensAroundContext :: Foo (f Int) => f Int
needsNoParensAroundContext = fooed
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