| Safe Haskell | Safe |
|---|---|
| Language | Haskell2010 |
Control.Functor.Polyvariant.Bicontravariant
Documentation
class Bicontravariant t where Source #
Minimal complete definition
Methods
bicontramap :: (b -> a) -> (d -> c) -> t a c -> t b d Source #
morphisms-functors-0.1.7: Functors, theirs compositions and transformations
| Safe Haskell | Safe |
|---|---|
| Language | Haskell2010 |
Control.Functor.Polyvariant.Bicontravariant
class Bicontravariant t where Source #
Minimal complete definition
Methods
bicontramap :: (b -> a) -> (d -> c) -> t a c -> t b d Source #