zoom-refs-0.0.0.0: Zoom (~ Functor) and pairing (~ Applicative) for mutable references.

Safe HaskellNone
LanguageHaskell2010

Data.MultiSTRef

Documentation

data MultiSTRef s a where Source

Constructors

MultiSTRef :: STRef s x -> ATraversal' x a -> MultiSTRef s a 

loosenSTRef :: STRef s a -> MultiSTRef s a Source

makeMultiSTRef :: ATraversal' x a -> STRef s x -> MultiSTRef s a Source

zoomMultiSTRef :: ATraversal' a b -> MultiSTRef s a -> MultiSTRef s b Source

newMultiSTRef :: a -> ST s (MultiSTRef s a) Source

readMultiSTRef :: Monoid a => MultiSTRef s a -> ST s a Source

readMultiSTRefList :: MultiSTRef s a -> ST s [a] Source

readMultiSTRefHead :: MultiSTRef s a -> ST s (Maybe a) Source

modifyMultiSTRef :: MultiSTRef s a -> (a -> a) -> ST s () Source

modifyMultiSTRef' :: MultiSTRef s a -> (a -> a) -> ST s () Source

writeMultiSTRef :: MultiSTRef s a -> a -> ST s () Source