Data.Functor.Composition

Synopsis

# Documentation

class Composition o where #

We often need to distinguish between various forms of Functor-like composition in Haskell in order to please the type system. This lets us work with these representations uniformly.

Minimal complete definition

Methods

decompose :: o f g x -> f (g x) #

compose :: f (g x) -> o f g x #

Instances

 # Methodsdecompose :: Compose * * f g x -> f (g x) #compose :: f (g x) -> Compose * * f g x #