idris2-profunctors/Data/Profunctor/Yoneda.idr
2023-03-06 22:05:33 -05:00

17 lines
344 B
Idris

module Data.Profunctor.Yoneda
import Data.Profunctor
%default total
public export
record Yoneda p a b where
constructor MkYoneda
runYoneda : forall x, y. (x -> a) -> (b -> y) -> p x y
public export
data Coyoneda : (p : Type -> Type -> Type) -> Type -> Type -> Type where
MkCoyoneda : (a -> x) -> (y -> b) -> p x y -> Coyoneda p a b