libdeng2: Method for checking if an Observers set is empty

skyjake · Apr 5, 2013 · de93d83 · de93d83
1 parent aaa80cb
commit de93d83
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/doomsday/libdeng2/include/de/data/observers.h b/doomsday/libdeng2/include/de/data/observers.h
@@ -228,6 +228,10 @@ namespace de
             }
             return 0;
         }
+
+        bool isEmpty() const {
+            return size() == 0;
+        }
 
         iterator begin() {
             checkExists();