diff --git a/src/as/com/threerings/util/ArrayUtil.as b/src/as/com/threerings/util/ArrayUtil.as
index e27ffe321..d149a0d33 100644
--- a/src/as/com/threerings/util/ArrayUtil.as
+++ b/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.