Data.IORefStable

The IORefStable type

Documentation

data IORefStable a

A mutable variable in the IO monad indexed by a Unique to provide an Ord instance

Constructors

IORefStable !Unique !(IORef a)

Instances

Eq (IORefStable a)

Methods

(==) :: IORefStable a -> IORefStable a -> Bool

(/=) :: IORefStable a -> IORefStable a -> Bool

Ord (IORefStable a)

Methods

compare :: IORefStable a -> IORefStable a -> Ordering

(<) :: IORefStable a -> IORefStable a -> Bool

(<=) :: IORefStable a -> IORefStable a -> Bool

(>) :: IORefStable a -> IORefStable a -> Bool

(>=) :: IORefStable a -> IORefStable a -> Bool

max :: IORefStable a -> IORefStable a -> IORefStable a

min :: IORefStable a -> IORefStable a -> IORefStable a

newIORefStable :: a -> IO (IORefStable a)

Build a new IORefStable

readIORefStable :: IORefStable a -> IO a

Read the value of an IORefStable

writeIORefStable :: IORefStable a -> a -> IO ()

Write a new value into an IORefStable

modifyIORefStable :: IORefStable a -> (a -> a) -> IO ()

Mutate the contents of an IORefStable

modifyIORefStable' :: IORefStable a -> (a -> a) -> IO ()

Strict version of modifyIORefStable

atomicModifyIORefStable :: IORefStable a -> (a -> (a, b)) -> IO b

Atomically modifies the contents of an IORefStable

atomicModifyIORefStable' :: IORefStable a -> (a -> (a, b)) -> IO b

Strict version of atomicModifyIORefStable

atomicWriteIORefStable :: IORefStable a -> a -> IO ()

Atomically write a new value into an IORefStable