comonad-4.2.7.2: Comonads

Portabilitynon-portable (fundeps, MPTCs)
Stabilityexperimental
MaintainerEdward Kmett <ekmett@gmail.com>
Safe HaskellSafe

Control.Comonad.Traced

Contents

Description

 

Synopsis

ComonadTraced class

class Comonad w => ComonadTraced m w | w -> m whereSource

Methods

trace :: m -> w a -> aSource

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 -> aSource

The Traced comonad

type Traced m = TracedT m IdentitySource

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

runTraced :: Traced m a -> m -> aSource

The TracedT comonad transformer

newtype TracedT m w a Source

Constructors

TracedT 

Fields

runTracedT :: w (m -> a)
 

Instances

(ComonadEnv e w, Monoid m) => ComonadEnv e (TracedT m w) 
(ComonadStore s w, Monoid m) => ComonadStore s (TracedT m w) 
(Comonad w, Monoid m) => ComonadTraced m (TracedT m w) 
Monoid m => ComonadTrans (TracedT m) 
Monoid m => ComonadHoist (TracedT m) 
Functor w => Functor (TracedT m w) 
(Typeable s, Typeable1 w) => Typeable1 (TracedT s w) 
Applicative w => Applicative (TracedT m w) 
(ComonadApply w, Monoid m) => ComonadApply (TracedT m w) 
(Comonad w, Monoid m) => Comonad (TracedT m w) 
Distributive w => Distributive (TracedT m w) 

Re-exported modules