| 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
Description
Synopsis
- class Comonad w => ComonadTraced m w | w -> m where- trace :: m -> w a -> a
 
- traces :: ComonadTraced m w => (a -> m) -> w a -> a
- type Traced m = TracedT m Identity
- traced :: (m -> a) -> Traced m a
- runTraced :: Traced m a -> m -> a
- newtype TracedT m w a = TracedT {- runTracedT :: w (m -> a)
 
- module Control.Comonad
- module Control.Comonad.Trans.Class
- module Data.Monoid
ComonadTraced class
class Comonad w => ComonadTraced m w | w -> m where Source #
Instances
| ComonadTraced m w => ComonadTraced m (EnvT e w) Source # | |
| Defined in Control.Comonad.Traced.Class | |
| ComonadTraced m w => ComonadTraced m (StoreT s w) Source # | |
| Defined in Control.Comonad.Traced.Class | |
| (Comonad w, Monoid m) => ComonadTraced m (TracedT m w) Source # | |
| Defined in Control.Comonad.Traced.Class | |
| ComonadTraced m w => ComonadTraced m (IdentityT w) Source # | |
| Defined in Control.Comonad.Traced.Class | |
| Monoid m => ComonadTraced m ((->) m) Source # | |
| Defined in Control.Comonad.Traced.Class | |
traces :: ComonadTraced m w => (a -> m) -> w a -> a Source #
The Traced comonad
The TracedT comonad transformer
newtype TracedT m w a Source #
Constructors
| TracedT | |
| Fields 
 | |
Instances
Re-exported modules
module Control.Comonad
module Control.Comonad.Trans.Class
module Data.Monoid