From 7d9366a0d25cce5ceb70e8ce31e9266ab6392126 Mon Sep 17 00:00:00 2001
From: Charlie Groves <charlie@threerings.net>
Date: Sat, 9 Apr 2011 01:31:23 +0000
Subject: [PATCH] Add isEmpty so I don't keep fucking up when I assume DSet is
 a Collection

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@6620 542714f4-19e9-0310-aa3c-eee0fc999fb1
---
 src/main/java/com/threerings/presents/dobj/DSet.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/main/java/com/threerings/presents/dobj/DSet.java b/src/main/java/com/threerings/presents/dobj/DSet.java
index 82d5c49b7..53c5176c7 100644
--- a/src/main/java/com/threerings/presents/dobj/DSet.java
+++ b/src/main/java/com/threerings/presents/dobj/DSet.java
@@ -152,6 +152,14 @@ public class DSet<E extends DSet.Entry>
     {
     }
 
+    /**
+     * Returns <tt>true</tt> if this set contains no entries.
+     */
+    public boolean isEmpty ()
+    {
+        return _size == 0;
+    }
+
     /**
      * Returns the number of entries in this set.
      */