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{-# LANGUAGE DataKinds #-}
{-# LANGUAGE GADTs #-}
{-# LANGUAGE PolyKinds #-}
{-# LANGUAGE TypeFamilies #-}
module Bug1103 where
import Data.Kind
data family Foo1 :: Type -> Type
data instance Foo1 Bool = Foo1Bool
data instance Foo1 (Maybe a)
data family Foo2 :: k -> Type
data instance Foo2 Bool = Foo2Bool
data instance Foo2 (Maybe a)
data instance Foo2 :: Char -> Type
data instance Foo2 :: (Char -> Char) -> Type where
data family Foo3 :: k
data instance Foo3
data instance Foo3 Bool = Foo3Bool
data instance Foo3 (Maybe a)
data instance Foo3 :: Char -> Type
data instance Foo3 :: (Char -> Char) -> Type where
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