1 -----------------------------------------------------------------------------
3 -- Module : Data.Array.ST
4 -- Copyright : (c) The University of Glasgow 2001
5 -- License : BSD-style (see the file libraries/core/LICENSE)
7 -- Maintainer : libraries@haskell.org
8 -- Stability : experimental
9 -- Portability : non-portable
11 -- $Id: ST.hs,v 1.2 2002/04/24 16:31:43 simonmar Exp $
13 -- Mutable boxed/unboxed arrays in the ST monad.
15 -----------------------------------------------------------------------------
17 module Data.Array.ST (
18 module Data.Array.MArray,
19 STArray, -- instance of: Eq, MArray
20 STUArray, -- instance of: Eq, MArray
21 castSTUArray, -- :: STUArray s i a -> ST s (STUArray s i b)
26 import Data.Array.MArray
27 import Data.Array.Base
29 #ifdef __GLASGOW_HASKELL__
33 castSTUArray :: STUArray s ix a -> ST s (STUArray s ix b)
34 castSTUArray (STUArray l u marr#) = return (STUArray l u marr#)