[project @ 1998-02-23 12:22:45 by simonm]

add multi-dimensional array test.

ghc/tests/array/should_run/arr014.hs

+{-# OPTIONS -fglasgow-exts #-}
+
+--!!! multi-dimensional arrays
+
+module Main ( main ) where
+import GlaExts
+import Array
+
+type TwoD s = MutableArray s Int (MutableArray s Int Int)
+
+setup :: ST s (TwoD s)
+setup = let isz = 10
+            imax = isz - 1	  
+            osz = 2
+            omax = osz - 1 in
+	do
+            -- gives : undefined reference to `IOBase_error_closure'
+--	    x <- newArray (0, omax) (error "uninitialised")
+	    dmy <- newArray (0, imax) 0      
+	    x <- newArray (0, omax) dmy
+	    as <- (accumulate . replicate osz) (newArray (0, imax) 6)
+	    mapM_ (\(i,v) -> writeArray x i v) (zip [0..omax] as)
+	    return x	  
+
+main :: IO ()
+main = do
+         a <- stToIO setup
+	 return ()