Safe Haskell	None
Language	Haskell2010

Control.Monad.Trans.SimulatedTime

Description

An implementation of MonadTime with a monad transformer.

Synopsis

newtype SimulatedTimeT m a = SimulatedTimeT {
- unSimulatedTimeT :: ReaderT TimeEnv m a
}
runSimulatedTimeT :: SimulatedTimeT m a -> TimeEnv -> m a
newtype RealTimeT m a = RealTimeT {
- runRealTimeT :: m a
}
getTimeEnv :: Monad m => SimulatedTimeT m TimeEnv
module Test.SimulatedTime

Documentation

newtype SimulatedTimeT m a Source #

A newtype wrapper over ReaderT TimeEnv

Constructors

SimulatedTimeT
Fields unSimulatedTimeT :: ReaderT TimeEnv m a

Instances

Instances details

MonadTrans SimulatedTimeT Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods lift :: Monad m => m a -> SimulatedTimeT m a #
MonadWriter w m => MonadWriter w (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods writer :: (a, w) -> SimulatedTimeT m a # tell :: w -> SimulatedTimeT m () # listen :: SimulatedTimeT m a -> SimulatedTimeT m (a, w) # pass :: SimulatedTimeT m (a, w -> w) -> SimulatedTimeT m a #
MonadState s m => MonadState s (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods get :: SimulatedTimeT m s # put :: s -> SimulatedTimeT m () # state :: (s -> (a, s)) -> SimulatedTimeT m a #
MonadReader r m => MonadReader r (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods ask :: SimulatedTimeT m r # local :: (r -> r) -> SimulatedTimeT m a -> SimulatedTimeT m a # reader :: (r -> a) -> SimulatedTimeT m a #
MonadError e m => MonadError e (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods throwError :: e -> SimulatedTimeT m a # catchError :: SimulatedTimeT m a -> (e -> SimulatedTimeT m a) -> SimulatedTimeT m a #
Monad m => Monad (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods (>>=) :: SimulatedTimeT m a -> (a -> SimulatedTimeT m b) -> SimulatedTimeT m b # (>>) :: SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m b # return :: a -> SimulatedTimeT m a #
Functor m => Functor (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods fmap :: (a -> b) -> SimulatedTimeT m a -> SimulatedTimeT m b # (<$) :: a -> SimulatedTimeT m b -> SimulatedTimeT m a #
MonadFix m => MonadFix (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mfix :: (a -> SimulatedTimeT m a) -> SimulatedTimeT m a #
MonadFail m => MonadFail (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods fail :: String -> SimulatedTimeT m a #
Applicative m => Applicative (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods pure :: a -> SimulatedTimeT m a # (<>) :: SimulatedTimeT m (a -> b) -> SimulatedTimeT m a -> SimulatedTimeT m b # liftA2 :: (a -> b -> c) -> SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m c # (>) :: SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m b # (<*) :: SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m a #
MonadZip m => MonadZip (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mzip :: SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m (a, b) # mzipWith :: (a -> b -> c) -> SimulatedTimeT m a -> SimulatedTimeT m b -> SimulatedTimeT m c # munzip :: SimulatedTimeT m (a, b) -> (SimulatedTimeT m a, SimulatedTimeT m b) #
MonadIO m => MonadIO (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods liftIO :: IO a -> SimulatedTimeT m a #
Alternative m => Alternative (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods empty :: SimulatedTimeT m a # (<\|>) :: SimulatedTimeT m a -> SimulatedTimeT m a -> SimulatedTimeT m a # some :: SimulatedTimeT m a -> SimulatedTimeT m [a] # many :: SimulatedTimeT m a -> SimulatedTimeT m [a] #
MonadPlus m => MonadPlus (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mzero :: SimulatedTimeT m a # mplus :: SimulatedTimeT m a -> SimulatedTimeT m a -> SimulatedTimeT m a #
MonadThrow m => MonadThrow (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods throwM :: Exception e => e -> SimulatedTimeT m a #
MonadCatch m => MonadCatch (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods catch :: Exception e => SimulatedTimeT m a -> (e -> SimulatedTimeT m a) -> SimulatedTimeT m a #
MonadMask m => MonadMask (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mask :: ((forall a. SimulatedTimeT m a -> SimulatedTimeT m a) -> SimulatedTimeT m b) -> SimulatedTimeT m b # uninterruptibleMask :: ((forall a. SimulatedTimeT m a -> SimulatedTimeT m a) -> SimulatedTimeT m b) -> SimulatedTimeT m b # generalBracket :: SimulatedTimeT m a -> (a -> ExitCase b -> SimulatedTimeT m c) -> (a -> SimulatedTimeT m b) -> SimulatedTimeT m (b, c) #
MonadCont m => MonadCont (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods callCC :: ((a -> SimulatedTimeT m b) -> SimulatedTimeT m a) -> SimulatedTimeT m a #
PrimMonad m => PrimMonad (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Associated Types type PrimState (SimulatedTimeT m) # Methods primitive :: (State# (PrimState (SimulatedTimeT m)) -> (# State# (PrimState (SimulatedTimeT m)), a #)) -> SimulatedTimeT m a #
MonadResource m => MonadResource (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods liftResourceT :: ResourceT IO a -> SimulatedTimeT m a #
MonadUnliftIO m => MonadUnliftIO (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods withRunInIO :: ((forall a. SimulatedTimeT m a -> IO a) -> IO b) -> SimulatedTimeT m b #
MonadIO m => MonadTime (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods getCurrentTime :: SimulatedTimeT m UTCTime Source # threadDelay :: Int -> SimulatedTimeT m () Source #
type PrimState (SimulatedTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime type PrimState (SimulatedTimeT m) = PrimState (ReaderT TimeEnv m)

runSimulatedTimeT :: SimulatedTimeT m a -> TimeEnv -> m a Source #

Run the reader

newtype RealTimeT m a Source #

An implementation for MonadTime that uses real time directly, not allowing for control. Use it from code where you need to choose implementation for MockTime, but don't need to control the time.

Example: use this one in the executable, while SimulatedTimeT is used in tests that need to control time.

Constructors

RealTimeT
Fields runRealTimeT :: m a

Instances

Instances details

MonadWriter w m => MonadWriter w (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods writer :: (a, w) -> RealTimeT m a # tell :: w -> RealTimeT m () # listen :: RealTimeT m a -> RealTimeT m (a, w) # pass :: RealTimeT m (a, w -> w) -> RealTimeT m a #
MonadState s m => MonadState s (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods get :: RealTimeT m s # put :: s -> RealTimeT m () # state :: (s -> (a, s)) -> RealTimeT m a #
MonadReader s m => MonadReader s (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods ask :: RealTimeT m s # local :: (s -> s) -> RealTimeT m a -> RealTimeT m a # reader :: (s -> a) -> RealTimeT m a #
MonadError e m => MonadError e (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods throwError :: e -> RealTimeT m a # catchError :: RealTimeT m a -> (e -> RealTimeT m a) -> RealTimeT m a #
Monad m => Monad (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods (>>=) :: RealTimeT m a -> (a -> RealTimeT m b) -> RealTimeT m b # (>>) :: RealTimeT m a -> RealTimeT m b -> RealTimeT m b # return :: a -> RealTimeT m a #
Functor m => Functor (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods fmap :: (a -> b) -> RealTimeT m a -> RealTimeT m b # (<$) :: a -> RealTimeT m b -> RealTimeT m a #
MonadFix m => MonadFix (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mfix :: (a -> RealTimeT m a) -> RealTimeT m a #
MonadFail m => MonadFail (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods fail :: String -> RealTimeT m a #
Applicative m => Applicative (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods pure :: a -> RealTimeT m a # (<>) :: RealTimeT m (a -> b) -> RealTimeT m a -> RealTimeT m b # liftA2 :: (a -> b -> c) -> RealTimeT m a -> RealTimeT m b -> RealTimeT m c # (>) :: RealTimeT m a -> RealTimeT m b -> RealTimeT m b # (<*) :: RealTimeT m a -> RealTimeT m b -> RealTimeT m a #
MonadZip m => MonadZip (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mzip :: RealTimeT m a -> RealTimeT m b -> RealTimeT m (a, b) # mzipWith :: (a -> b -> c) -> RealTimeT m a -> RealTimeT m b -> RealTimeT m c # munzip :: RealTimeT m (a, b) -> (RealTimeT m a, RealTimeT m b) #
MonadIO m => MonadIO (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods liftIO :: IO a -> RealTimeT m a #
Alternative m => Alternative (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods empty :: RealTimeT m a # (<\|>) :: RealTimeT m a -> RealTimeT m a -> RealTimeT m a # some :: RealTimeT m a -> RealTimeT m [a] # many :: RealTimeT m a -> RealTimeT m [a] #
MonadPlus m => MonadPlus (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mzero :: RealTimeT m a # mplus :: RealTimeT m a -> RealTimeT m a -> RealTimeT m a #
MonadThrow m => MonadThrow (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods throwM :: Exception e => e -> RealTimeT m a #
MonadCatch m => MonadCatch (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods catch :: Exception e => RealTimeT m a -> (e -> RealTimeT m a) -> RealTimeT m a #
MonadMask m => MonadMask (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods mask :: ((forall a. RealTimeT m a -> RealTimeT m a) -> RealTimeT m b) -> RealTimeT m b # uninterruptibleMask :: ((forall a. RealTimeT m a -> RealTimeT m a) -> RealTimeT m b) -> RealTimeT m b # generalBracket :: RealTimeT m a -> (a -> ExitCase b -> RealTimeT m c) -> (a -> RealTimeT m b) -> RealTimeT m (b, c) #
MonadCont m => MonadCont (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods callCC :: ((a -> RealTimeT m b) -> RealTimeT m a) -> RealTimeT m a #
PrimMonad m => PrimMonad (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Associated Types type PrimState (RealTimeT m) # Methods primitive :: (State# (PrimState (RealTimeT m)) -> (# State# (PrimState (RealTimeT m)), a #)) -> RealTimeT m a #
MonadResource m => MonadResource (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods liftResourceT :: ResourceT IO a -> RealTimeT m a #
MonadUnliftIO m => MonadUnliftIO (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods withRunInIO :: ((forall a. RealTimeT m a -> IO a) -> IO b) -> RealTimeT m b #
MonadIO m => MonadTime (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime Methods getCurrentTime :: RealTimeT m UTCTime Source # threadDelay :: Int -> RealTimeT m () Source #
type PrimState (RealTimeT m) Source #
Instance details Defined in Control.Monad.Trans.SimulatedTime type PrimState (RealTimeT m) = PrimState m

getTimeEnv :: Monad m => SimulatedTimeT m TimeEnv Source #

Use TimeEnv to control the simulated time, for instance call advance on it to advance in simulated time.

module Test.SimulatedTime

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