newtype IOArray i e Source

An IOArray is a mutable, boxed, non-strict array in the IO monad. The type arguments are as follows:

• i: the index type of the array (should be an instance of Ix)
• e: the element type of the array.

newIOArray :: Ix i => (i, i) -> e -> IO (IOArray i e) Source

Build a new IOArray

unsafeReadIOArray :: IOArray i e -> Int -> IO e Source

Read a value from an IOArray

unsafeWriteIOArray :: IOArray i e -> Int -> e -> IO () Source

Write a new value into an IOArray

readIOArray :: Ix i => IOArray i e -> i -> IO e Source

Read a value from an IOArray

writeIOArray :: Ix i => IOArray i e -> i -> e -> IO () Source

Write a new value into an IOArray

boundsIOArray :: IOArray i e -> (i, i) Source