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

Methods

ask :: w a -> e Source

Instances

ComonadEnv e w => ComonadEnv e (IdentityT w)
ComonadEnv e (Arg e)
ComonadEnv e ((,) e)
(ComonadEnv e w, Monoid m) => ComonadEnv e (TracedT m w)
ComonadEnv e w => ComonadEnv e (StoreT t w)
Comonad w => ComonadEnv e (EnvT e w)

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