comonad-5.0.8: Comonads
Copyright(C) 2008-2015 Edward Kmett
LicenseBSD-style (see the file LICENSE)
MaintainerEdward Kmett <ekmett@gmail.com>
Stabilityexperimental
Portabilitynon-portable (fundeps, MPTCs)
Safe HaskellSafe
LanguageHaskell2010

Control.Comonad.Env.Class

Description

 

Documentation

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

Methods

ask :: w a -> e #

Instances

Instances details
ComonadEnv e (Arg e) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: Arg e a -> e #

ComonadEnv e ((,) e) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: (e, a) -> e #

(ComonadEnv e w, Monoid m) => ComonadEnv e (TracedT m w) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: TracedT m w a -> e #

ComonadEnv e w => ComonadEnv e (IdentityT w) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: IdentityT w a -> e #

ComonadEnv e w => ComonadEnv e (StoreT t w) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: StoreT t w a -> e #

Comonad w => ComonadEnv e (EnvT e w) # 
Instance details

Defined in Control.Comonad.Env.Class

Methods

ask :: EnvT e w a -> e #

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