Math.Combinatorics.Species.Structures
data Void a
data Unit a
data Const x a
data Id a
data (f :+: g) a
data (f :*: g) a
data (f :.: g) a
data Cycle a
data Bracelet a
data Set a
data Star a
data Mu f a
type family Interp f (self :: * -> *) :: * -> *