Data.Comp.Multi.Ops
data (f :+: g) h e
caseH
type family Elem f g :: Emb
class Subsume e f g
type f :<: g
inj
proj
type f :=: g
spl
data (f :&: a) g e
class DistAnn s p s'
class RemA s s'
data (f :*: g) a
ffst
fsnd