Data.Profunctor.Star

newtype Star :: forall k. (k -> Type) -> Type -> k -> Typenewtype Star f a b

Star turns a Functor into a Profunctor.

Star f is also the Kleisli category for f

Constructors

• Star (a -> f b)

Instances

• Newtype (Star f a b) _
• (Bind f) => Semigroupoid (Star f)
• (Monad f) => Category (Star f)
• (Functor f) => Functor (Star f a)
• (Invariant f) => Invariant (Star f a)
• (Apply f) => Apply (Star f a)
• (Applicative f) => Applicative (Star f a)
• (Bind f) => Bind (Star f a)
• (Monad f) => Monad (Star f a)
• (Alt f) => Alt (Star f a)
• (Plus f) => Plus (Star f a)
• (Alternative f) => Alternative (Star f a)
• (MonadPlus f) => MonadPlus (Star f a)
• (Distributive f) => Distributive (Star f a)
• (Functor f) => Profunctor (Star f)
• (Functor f) => Strong (Star f)
• (Applicative f) => Choice (Star f)
• (Distributive f) => Closed (Star f)

hoistStar :: forall f g a b. (f ~> g) -> Star f a b -> Star g a b