Data.STRef.Unboxed

Unboxed mutable references backed by unboxed vectors.

Unboxed ST References

newtype STRefU s a

An unboxed mutable variable that can hold any type which is an instance of Unbox. This is backed by a length 1 unboxed mutable vector.

Constructors

STRefU

Fields

• getSTRefU :: MVector s a

newSTRefU :: Unbox a => a -> ST s (STRefU s a)

Create a new STRefU containing the given value.

readSTRefU :: Unbox a => STRefU s a -> ST s a

Read the value in a reference cell.

writeSTRefU :: Unbox a => STRefU s a -> a -> ST s ()

Write a value to a reference cell.

modifySTRefU :: Unbox a => STRefU s a -> (a -> a) -> ST s ()

Modify the value in a reference cell. This is strict in its argument.