monad package:profunctors

module Data.Profunctor.Monad
profunctors
class ProfunctorFunctor t => ProfunctorComonad (t :: Type -> Type -> Type -> Type -> Type -> Type)
profunctors Data.Profunctor.Monad
Laws: 
proextract . promap f ≡ f . proextract
proextract . produplicate ≡ id
promap proextract . produplicate ≡ id
produplicate . produplicate ≡ promap produplicate . produplicate
class ProfunctorFunctor t => ProfunctorMonad (t :: Type -> Type -> Type -> Type -> Type -> Type)
profunctors Data.Profunctor.Monad
Laws: 
promap f . proreturn ≡ proreturn . f
projoin . proreturn ≡ id
projoin . promap proreturn ≡ id
projoin . projoin ≡ projoin . promap projoin