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{-# LANGUAGE Haskell2010 #-}
{-# LANGUAGE RankNTypes, DataKinds, TypeFamilies #-}
module FunArgs where
f :: forall a. Ord a
=> Int -- ^ First argument
-> a -- ^ Second argument
-> Bool -- ^ Third argument
-> (a -> a) -- ^ Fourth argument
-> () -- ^ Result
f = undefined
g :: a -- ^ First argument
-> b -- ^ Second argument
-> c -- ^ Third argument
-> d -- ^ Result
g = undefined
h :: forall a b c
. a -- ^ First argument
-> b -- ^ Second argument
-> c -- ^ Third argument
-> forall d. d -- ^ Result
h _ _ _ = undefined
i :: forall a (b :: ()) d. (d ~ '())
=> forall c
. a b c d -- ^ abcd
-> () -- ^ Result
i = undefined
j :: forall proxy (a :: ()) b
. proxy a -- ^ First argument
-> b -- ^ Result
j = undefined
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