| Safe Haskell | None |
|---|---|
| Language | Haskell2010 |
Reflex.Monad.ReaderWriter
- data ReaderWriterT r w m a
- type ReaderWriter r w a = ReaderWriterT r w Identity a
- runReaderWriterT :: (Monad m, Monoid w) => ReaderWriterT r w m a -> r -> m (a, w)
- runReaderWriter :: Monoid w => ReaderWriter r w a -> r -> (a, w)
- execReaderWriterT :: (Functor m, Monad m, Monoid w) => ReaderWriterT r w m a -> r -> m w
Documentation
data ReaderWriterT r w m a Source
Fusion between ReaderT and WriterT (But not StateT unlike RWST) which is switchable using MonadSwitch
Uses implementation based on RSST which implements WriterT using state in order to avoid space leaks incurred by the original WriterT
Instances
| MonadState s m => MonadState s (ReaderWriterT r w m) Source | |
| Monad m => MonadReader r (ReaderWriterT r w m) Source | |
| (Monad m, Monoid w) => MonadWriter w (ReaderWriterT r w m) Source | |
| MonadSample t m => MonadSample t (ReaderWriterT r w m) Source | |
| MonadHold t m => MonadHold t (ReaderWriterT r w m) Source | |
| (MonadSwitch t m, SwitchMerge t w) => MonadSwitch t (ReaderWriterT r w m) Source | |
| MonadTrans (ReaderWriterT r w) Source | |
| Monad m => Monad (ReaderWriterT r w m) Source | |
| Functor m => Functor (ReaderWriterT r w m) Source | |
| MonadFix m => MonadFix (ReaderWriterT r w m) Source | |
| Monad m => Applicative (ReaderWriterT r w m) Source |
type ReaderWriter r w a = ReaderWriterT r w Identity a Source
runReaderWriterT :: (Monad m, Monoid w) => ReaderWriterT r w m a -> r -> m (a, w) Source
runReaderWriter :: Monoid w => ReaderWriter r w a -> r -> (a, w) Source
execReaderWriterT :: (Functor m, Monad m, Monoid w) => ReaderWriterT r w m a -> r -> m w Source