Copyright | (c) The University of Glasgow 2001 |
---|---|
License | BSD-style (see the file libraries/base/LICENSE) |
Maintainer | [email protected] |
Stability | experimental |
Portability | non-portable (uses Control.Monad.ST.Lazy) |
Safe Haskell | Safe |
Language | Haskell2010 |
Mutable references in the lazy ST monad.
a value of type STRef s a
is a mutable variable in state thread s
, containing a value of type a
newSTRef :: a -> ST s (STRef s a) Source
readSTRef :: STRef s a -> ST s a Source
writeSTRef :: STRef s a -> a -> ST s () Source
modifySTRef :: STRef s a -> (a -> a) -> ST s () Source
© The University of Glasgow and others
Licensed under a BSD-style license (see top of the page).
https://downloads.haskell.org/~ghc/7.10.3/docs/html/libraries/base-4.8.2.0/Data-STRef-Lazy.html