Copyright	(C) 2008-2012 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.Class

Description

Documentation

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

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