{-# OPTIONS -fglasgow-exts #-} ------------------------------------------------------------------------------------------- -- | -- Module : Control.Functor.Composition.Class -- Copyright : 2008 Edward Kmett -- License : BSD -- -- Maintainer : Edward Kmett -- Stability : experimental -- Portability : non-portable (class-associated types) -- ------------------------------------------------------------------------------------------- module Control.Functor.Composition.Class where class Composition c where decompose :: c f g x -> f (g x) compose :: f (g x) -> c f g x