unliftio-0.2.20.1: The MonadUnliftIO typeclass for unlifting monads to IO (batteries included)

Safe Haskell	Safe-Inferred
Language	Haskell2010

UnliftIO.IORef

Description

Unlifted Data.IORef.

Since: 0.1.0.0

Synopsis

data IORef a
newIORef :: MonadIO m => a -> m (IORef a)
readIORef :: MonadIO m => IORef a -> m a
writeIORef :: MonadIO m => IORef a -> a -> m ()
modifyIORef :: MonadIO m => IORef a -> (a -> a) -> m ()
modifyIORef' :: MonadIO m => IORef a -> (a -> a) -> m ()
atomicModifyIORef :: MonadIO m => IORef a -> (a -> (a, b)) -> m b
atomicModifyIORef' :: MonadIO m => IORef a -> (a -> (a, b)) -> m b
atomicWriteIORef :: MonadIO m => IORef a -> a -> m ()
mkWeakIORef :: MonadUnliftIO m => IORef a -> m () -> m (Weak (IORef a))

Documentation

data IORef a #

A mutable variable in the IO monad

Instances

Instances details

NFData1 IORef	Since: deepseq-1.4.3.0
Instance details Defined in Control.DeepSeq Methods liftRnf :: (a -> ()) -> IORef a -> () #
Eq (IORef a)	Pointer equality. Since: base-4.0.0.0
Instance details Defined in GHC.IORef Methods (==) :: IORef a -> IORef a -> Bool # (/=) :: IORef a -> IORef a -> Bool #
NFData (IORef a)	NOTE: Only strict in the reference and not the referenced value. Since: deepseq-1.4.2.0
Instance details Defined in Control.DeepSeq Methods rnf :: IORef a -> () #

newIORef :: MonadIO m => a -> m (IORef a) Source #

Lifted newIORef.

Since: 0.1.0.0

readIORef :: MonadIO m => IORef a -> m a Source #

Lifted readIORef.

Since: 0.1.0.0

writeIORef :: MonadIO m => IORef a -> a -> m () Source #

Lifted writeIORef.

Since: 0.1.0.0

modifyIORef :: MonadIO m => IORef a -> (a -> a) -> m () Source #

Lifted modifyIORef.

Since: 0.1.0.0

modifyIORef' :: MonadIO m => IORef a -> (a -> a) -> m () Source #

Lifted modifyIORef'.

Since: 0.1.0.0

atomicModifyIORef :: MonadIO m => IORef a -> (a -> (a, b)) -> m b Source #

Lifted atomicModifyIORef.

Since: 0.1.0.0

atomicModifyIORef' :: MonadIO m => IORef a -> (a -> (a, b)) -> m b Source #

Lifted atomicModifyIORef'.

Since: 0.1.0.0

atomicWriteIORef :: MonadIO m => IORef a -> a -> m () Source #

Lifted atomicWriteIORef.

Since: 0.1.0.0

mkWeakIORef :: MonadUnliftIO m => IORef a -> m () -> m (Weak (IORef a)) Source #

Unlifted mkWeakIORef.

Since: 0.1.0.0