From 7044c837f521156d5a7209beca47f1f96b2b4372 Mon Sep 17 00:00:00 2001
From: Prathamesh Sonpatki <prathamesh.sonpatki@betterlabs.net>
Date: Fri, 21 Sep 2012 21:35:26 +0530
Subject: [PATCH] Added description for size method of DirectedGraph

---
 src/org/jruby/ir/util/DirectedGraph.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/org/jruby/ir/util/DirectedGraph.java b/src/org/jruby/ir/util/DirectedGraph.java
index 970da7b93fb..6813dd3ae42 100644
--- a/src/org/jruby/ir/util/DirectedGraph.java
+++ b/src/org/jruby/ir/util/DirectedGraph.java
@@ -81,6 +81,9 @@ public void removeVertexFor(T data) {
         vertex.removeAllEdges();
     }
     
+    /**
+     * @return the number of vertices in the graph.
+     */
     public int size() {
         return allData().size();
     }