-- Author: Andy Stewart <lazycat.manatee@gmail.com> -- Maintainer: Andy Stewart <lazycat.manatee@gmail.com> -- -- Copyright (C) 2010 Andy Stewart, all rights reserved. -- -- This program is free software: you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation, either version 3 of the License, or -- any later version. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program. If not, see <http://www.gnu.org/licenses/>. {-# LANGUAGE FlexibleContexts #-} module Manatee.Toolkit.General.Functor where import Control.Arrow () (<<<=) :: Functor f => (b -> c) -> (a -> f b) -> a -> f c (<<<=) = (.) . fmap (=>>>) :: Functor f => (a -> f b) -> (b -> c) -> a -> f c (=>>>) = flip (fmap . fmap) (<<=<) :: Functor f => (b -> f c) -> (a -> b) -> a -> f c (<<=<) = (.) (>=>>) :: Functor f => (a -> b) -> (b -> f c) -> a -> f c (>=>>) = flip (<<=<)