Copyright	(C) 2008-2014 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.Traced

Contents

Description

Synopsis

ComonadTraced class

class Comonad w => ComonadTraced m w | w -> m where Source

Methods

trace :: m -> w a -> a Source

Instances

ComonadTraced m w => ComonadTraced m (IdentityT w) Source
Monoid m => ComonadTraced m ((->) m) Source
ComonadTraced m w => ComonadTraced m (StoreT s w) Source
ComonadTraced m w => ComonadTraced m (EnvT e w) Source
(Comonad w, Monoid m) => ComonadTraced m (TracedT m w) Source

traces :: ComonadTraced m w => (a -> m) -> w a -> a Source

The Traced comonad

traced :: (m -> a) -> Traced m a Source

newtype TracedT m w a Source

Constructors

TracedT
Fields runTracedT :: w (m -> a)

Instances

(ComonadEnv e w, Monoid m) => ComonadEnv e (TracedT m w) Source
(ComonadStore s w, Monoid m) => ComonadStore s (TracedT m w) Source
(Comonad w, Monoid m) => ComonadTraced m (TracedT m w) Source
Monoid m => ComonadTrans (TracedT m) Source
Monoid m => ComonadHoist (TracedT m) Source
Functor w => Functor (TracedT m w) Source
Applicative w => Applicative (TracedT m w) Source
Distributive w => Distributive (TracedT m w) Source
(ComonadApply w, Monoid m) => ComonadApply (TracedT m w) Source
(Comonad w, Monoid m) => Comonad (TracedT m w) Source