Copyright	(C) 2008-2015 Edward Kmett
License	BSD-style (see the file LICENSE)
Maintainer	Edward Kmett <ekmett@gmail.com>
Stability	experimental
Portability	non-portable (fundeps, MPTCs)
Safe Haskell	Safe
Language	Haskell2010

Control.Comonad.Env.Class

Description

Documentation

class Comonad w => ComonadEnv e w | w -> e where Source #

Minimal complete definition

Methods

ask :: w a -> e Source #

Instances

ComonadEnv e (Arg e) Source #
Methods ask :: Arg e a -> e Source #
ComonadEnv e ((,) e) Source #
Methods ask :: (e, a) -> e Source #
(ComonadEnv e w, Monoid m) => ComonadEnv e (TracedT m w) Source #
Methods ask :: TracedT m w a -> e Source #
ComonadEnv e w => ComonadEnv e (IdentityT * w) Source #
Methods ask :: IdentityT * w a -> e Source #
ComonadEnv e w => ComonadEnv e (StoreT t w) Source #
Methods ask :: StoreT t w a -> e Source #
Comonad w => ComonadEnv e (EnvT e w) Source #
Methods ask :: EnvT e w a -> e Source #

asks :: ComonadEnv e w => (e -> e') -> w a -> e' Source #