| Safe Haskell | Safe-Inferred |
|---|---|
| Language | Haskell2010 |
Fresnel.Bifunctor.Contravariant
Synopsis
- class Bicontravariant p where
- contrabimap :: (a' -> a) -> (b' -> b) -> p a b -> p a' b'
- contrafirst :: Bicontravariant p => (a' -> a) -> p a b -> p a' b
- contrasecond :: Bicontravariant p => (b' -> b) -> p a b -> p a b'
- rphantom :: (Profunctor p, Bicontravariant p) => p a b -> p a c
- biphantom :: (Bifunctor p, Bicontravariant p) => p a b -> p c d
Bicontravariant functors
class Bicontravariant p where Source #
Methods
contrabimap :: (a' -> a) -> (b' -> b) -> p a b -> p a' b' Source #
Instances
| Contravariant m => Bicontravariant (Kleisli m) Source # | |
Defined in Fresnel.Bifunctor.Contravariant Methods contrabimap :: (a' -> a) -> (b' -> b) -> Kleisli m a b -> Kleisli m a' b' Source # | |
| Contravariant f => Bicontravariant (OptionalStar f) Source # | |
Defined in Fresnel.Profunctor.OptionalStar Methods contrabimap :: (a' -> a) -> (b' -> b) -> OptionalStar f a b -> OptionalStar f a' b' Source # | |
| Bicontravariant (Forget r :: Type -> Type -> Type) Source # | |
Defined in Fresnel.Bifunctor.Contravariant Methods contrabimap :: (a' -> a) -> (b' -> b) -> Forget r a b -> Forget r a' b' Source # | |
| Contravariant f => Bicontravariant (Star f) Source # | |
Defined in Fresnel.Bifunctor.Contravariant Methods contrabimap :: (a' -> a) -> (b' -> b) -> Star f a b -> Star f a' b' Source # | |
contrafirst :: Bicontravariant p => (a' -> a) -> p a b -> p a' b Source #
contrasecond :: Bicontravariant p => (b' -> b) -> p a b -> p a b' Source #
Phantom parameters
rphantom :: (Profunctor p, Bicontravariant p) => p a b -> p a c Source #
biphantom :: (Bifunctor p, Bicontravariant p) => p a b -> p c d Source #