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{-# LANGUAGE CPP, KindSignatures #-}
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE UndecidableInstances #-} -- Note [Pass sensitive types]
-- in module PlaceHolder
{-# LANGUAGE ConstraintKinds #-}
{-# LANGUAGE RoleAnnotations #-}
{-# LANGUAGE TypeFamilies #-}
module HsPat where
import SrcLoc( Located )
import Outputable
import HsExtension ( OutputableBndrId, GhcPass )
type role Pat nominal
data Pat (i :: *)
type LPat i = Located (Pat i)
instance (p ~ GhcPass pass, OutputableBndrId p) => Outputable (Pat p)
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