monad-time-0.2: Type class for monads which carry the notion of the current time.

Safe HaskellSafe
LanguageHaskell2010

Control.Monad.Time

Synopsis

Documentation

class Monad m => MonadTime m where #

Class of monads which carry the notion of the current time.

Minimal complete definition

currentTime

Methods

currentTime :: m UTCTime #

Instances

MonadTime IO #

Base instance for IO.

(MonadTime m, MonadTrans t, Monad (t m)) => MonadTime (t m) #

Generic, overlapping instance.

Methods

currentTime :: t m UTCTime #