ghc-exactprint-0.6.4: tests/examples/ghc90/MultConstructor.hs
{-# LANGUAGE GADTSyntax, DataKinds, LinearTypes, KindSignatures, ExplicitForAll #-}
module MultConstructor where
import GHC.Types
data T p a where
MkT :: a %p -> T p a
{-
this currently fails
g :: forall (b :: Type). T 'Many b %1 -> (b,b)
g (MkT x) = (x,x)
-}