Added keys() and values() to Array-ificate Object/Dictionary properties.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5679 542714f4-19e9-0310-aa3c-eee0fc999fb1

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

@@ -45,6 +45,32 @@ public class ArrayUtil
         return arr;
     }
 
+    /**
+     * Get an array containing the property keys of the specified object, in their
+     * natural iteration order.
+     */
+    public static function keys (obj :Object) :Array
+    {
+        var arr :Array = [];
+        for (var k :* in obj) { // no "each": iterate over keys
+            arr.push(k);
+        }
+        return arr;
+    }
+
+    /**
+     * Get an array containing the property values of the specified object, in their
+     * natural iteration order.
+     */
+    public static function values (obj :Object) :Array
+    {
+        var arr :Array = [];
+        for each (var v :* in obj) { // "each" iterates over values
+            arr.push(v);
+        }
+        return arr;
+    }
+
     /**
      * Creates a shallow copy of the array.
      *