pandora-0.5.3: Pandora/Pattern/Functor/Bindable.hs

module Pandora.Pattern.Functor.Bindable where

import Pandora.Pattern.Functor.Covariant (Covariant)

infixr 1 =======<<
infixr 2 ======<<
infixr 3 =====<<
infixr 4 ====<<
infixr 5 ===<<
infixr 6 ==<<
infixr 7 =<<

{- |
> When providing a new instance, you should ensure it satisfies :
> * Interchange: t >>= f = join (f <-|- t)
-}

class Covariant source source t => Bindable source t where
	(=<<) :: source a (t b) -> source (t a) (t b)

	(==<<), (===<<), (====<<), (=====<<), (======<<), (=======<<)  :: source a (t b) -> source (t a) (t b)
	(==<<) = (=<<)
	(===<<) = (=<<)
	(====<<) = (=<<)
	(=====<<) = (=<<)
	(======<<) = (=<<)
	(=======<<) = (=<<)