hls-tactics-plugin-1.2.0.0: test/golden/DestructTyToDataFam.expected.hs
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE UndecidableInstances #-}
type family T1 a where
T1 a = T2 Int
type family T2 a
type instance T2 Int = T3
type family T3 where
T3 = Yo
data family Yo
data instance Yo = Heya Int
test :: T1 Bool -> Int
test (Heya n) = _