| Copyright | (C) 2008-2014 Edward Kmett | 
|---|---|
| License | BSD-style (see the file LICENSE) | 
| Maintainer | Edward Kmett <[email protected]> | 
| 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