Data.STRef.Lazy

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Data.STRef.Lazy |
Portability | non-portable (requires non-portable module ST)
Stability | experimental
Maintainer | libraries@haskell.org
Description
Mutable references in the lazy ST monad.
Synopsis
data STRef s a
newSTRef :: a -> ST s (STRef s a)
readSTRef :: STRef s a -> ST s a
writeSTRef :: STRef s a -> a -> ST s ()
modifySTRef :: STRef s a -> (a -> a) -> ST s ()
STRefs
data STRef s a
a value of type `STRef s a` is a mutable variable in state thread `s`, containing a value of type `a`
Instances
(Typeable a, Typeable b) => Typeable (STRef a b)
Eq (STRef s a)
newSTRef :: a -> ST s (STRef s a)
readSTRef :: STRef s a -> ST s a
writeSTRef :: STRef s a -> a -> ST s ()
modifySTRef :: STRef s a -> (a -> a) -> ST s ()
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