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{-# LANGUAGE PartialTypeSignatures #-}
module NamedWildcardsEnabled where
foo :: Eq a => a -> (a, _)
foo x = (x, x)
test = foo id
-- As id (forall a. a -> a) doesn't implement Eq, the we cannot apply
-- foo with it. This test checks that foo gets the annotated type,
-- including constraints, not just the inferred type.
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