Control.Monad.Trans.Alarm

Monad transformer for managing an alarm clock.

Transformer

data AlarmT m a

Instances

MonadTrans AlarmT

Monad m => Monad (AlarmT m)

Functor m => Functor (AlarmT m)

MonadFix m => MonadFix (AlarmT m)

Applicative m => Applicative (AlarmT m)

MonadThrow m => MonadThrow (AlarmT m)

MonadCatch m => MonadCatch (AlarmT m)

MonadMask m => MonadMask (AlarmT m)

MonadIO m => MonadIO (AlarmT m)

runAlarmT :: (TimeUnit t, MonadIO m, MonadMask m) => AlarmT m a -> t -> m a

Starting an alarm

startAlarm :: MonadIO m => AlarmT m ()

startAlarm' :: (TimeUnit t, MonadIO m) => t -> AlarmT m ()

Stopping an alarm

stopAlarm :: MonadIO m => AlarmT m ()

Restarting an alarm

restartAlarm :: MonadIO m => AlarmT m ()

restartAlarm' :: (TimeUnit t, MonadIO m) => t -> AlarmT m ()

Higher level functions

alarm :: (MonadIO m, MonadCatch m) => m a -> AlarmT m (Maybe a)

alarm' :: (TimeUnit t, MonadIO m, MonadCatch m) => t -> m a -> AlarmT m (Maybe a)