ArrayUtil.copyOf()

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@4950 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/as/com/threerings/util/ArrayUtil.as

@@ -30,6 +30,15 @@ package com.threerings.util {
  */
 public class ArrayUtil
 {
+    /**
+     * Creates a shallow copy of the array.
+     * @TODO: add support for copy ranges and deep copies?
+     */
+    public static function copyOf (arr :Array) :Array
+    {
+        return arr.slice();
+    }
+    
     /**
      * Sort the specified array according to natural order- all elements
      * must implement Comparable or be null.