zoom-refs-0.0.0.1: Zoom (~ Functor) and pairing (~ Applicative) for mutable references.

Safe HaskellNone
LanguageHaskell2010

Control.Concurrent.STM.MultiTVar

Documentation

data MultiTVar a where Source

Constructors

MultiTVar :: TVar x -> ATraversal' x a -> MultiTVar a 

loosenTVar :: TVar a -> MultiTVar a Source

makeMultiTVar :: ATraversal' x a -> TVar x -> MultiTVar a Source

zoomMultiTVar :: ATraversal' a b -> MultiTVar a -> MultiTVar b Source

newMultiTVar :: a -> STM (MultiTVar a) Source

newMultiTVarIO :: a -> IO (MultiTVar a) Source

readMultiTVar :: Monoid a => MultiTVar a -> STM a Source

readMultiTVarIO :: Monoid a => MultiTVar a -> IO a Source

readMultiTVarList :: MultiTVar a -> STM [a] Source

readMultiTVarListIO :: MultiTVar a -> IO [a] Source

readMultiTVarHead :: MultiTVar a -> STM (Maybe a) Source

readMultiTVarHeadIO :: MultiTVar a -> IO (Maybe a) Source

modifyMultiTVar :: MultiTVar a -> (a -> a) -> STM () Source

modifyMultiTVar' :: MultiTVar a -> (a -> a) -> STM () Source

writeMultiTVar :: MultiTVar a -> a -> STM () Source