From 24dda56d4cc572bf1b24fe982019b2ba415dc132 Mon Sep 17 00:00:00 2001
From: Charlie Groves <charlie@threerings.net>
Date: Fri, 29 Jul 2011 06:37:10 +0000
Subject: [PATCH] Add isEmpty

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6686 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/main/as/com/threerings/presents/dobj/DSet.as | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/as/com/threerings/presents/dobj/DSet.as b/src/main/as/com/threerings/presents/dobj/DSet.as
index 5d7f3f322..d942fc49b 100644
--- a/src/main/as/com/threerings/presents/dobj/DSet.as
+++ b/src/main/as/com/threerings/presents/dobj/DSet.as
@@ -63,6 +63,14 @@ public class DSet
     }
 
     /**
+     * Returns true if this set contains no entries.
+     */
+    public function isEmpty () :Boolean
+    {
+        return _entries.length == 0;
+    }
+
+   /**
      * Returns true if the set contains an entry whose
      * <code>getKey()</code> method returns a key that
      * <code>equals()</code> the key returned by <code>getKey()</code> of