extra-1.4.2: Extra functions I use.

Safe Haskell | Safe
Language | Haskell2010

Data.IORef.Extra

Synopsis

- module Data.IORef
- modifyIORef' :: IORef a -> (a -> a) -> IO ()
- writeIORef' :: IORef a -> a -> IO ()
- atomicModifyIORef' :: IORef a -> (a -> (a, b)) -> IO b
- atomicWriteIORef :: IORef a -> a -> IO ()
- atomicWriteIORef' :: IORef a -> a -> IO ()

# Documentation

module Data.IORef

modifyIORef' :: IORef a -> (a -> a) -> IO ()

Strict version of `modifyIORef`

Since: 4.6.0.0

writeIORef' :: IORef a -> a -> IO ()

Evaluates the value before calling `writeIORef`.

atomicModifyIORef' :: IORef a -> (a -> (a, b)) -> IO b

Strict version of `atomicModifyIORef`. This forces both the value stored in the `IORef` as well as the value returned.

Since: 4.6.0.0

atomicWriteIORef :: IORef a -> a -> IO ()

Variant of `writeIORef` with the "barrier to reordering" property that `atomicModifyIORef` has.

Since: 4.6.0.0

atomicWriteIORef' :: IORef a -> a -> IO ()

Evaluates the value before calling `atomicWriteIORef`.