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class Foo (a :: k) where
type family Bar (a :: k) b :: *
-- Defined at T7939.hs:6:4
Bar :: k -> * -> *
type family F a :: * -- Defined at T7939.hs:8:1
type instance F Int = Bool -- Defined at T7939.hs:9:1
F :: * -> *
type family G a :: * where
G Int = Bool
-- Defined at T7939.hs:11:1
G :: * -> *
type family H (a :: Bool) :: Bool where
H 'False = 'True
-- Defined at T7939.hs:14:1
H :: Bool -> Bool
type family J (a :: [k]) :: Bool where
J k '[] = 'False
forall (k :: BOX) (h :: k) (t :: [k]). J k (h : t) = 'True
-- Defined at T7939.hs:17:1
J :: [k] -> Bool
type family K (a :: [k]) :: Maybe k where
K k '[] = 'Nothing
forall (k :: BOX) (h :: k) (t :: [k]). K k (h : t) = 'Just h
-- Defined at T7939.hs:21:1
K :: [k] -> Maybe k
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