category-extras-0.44.4: Various modules and constructs inspired by category theory

Portabilitynon-portable (class-associated types)
Stabilityexperimental
MaintainerEdward Kmett <ekmett@gmail.com>

Control.Functor.Contravariant

Description

 

Documentation

newtype ContraF a b Source

Constructors

ContraF 

Fields

runContraF :: b -> a