[Boost-commit] svn:boost r77733 - trunk/boost/graph

Subject: [Boost-commit] svn:boost r77733 - trunk/boost/graph
From: jewillco_at_[hidden]
Date: 2012-04-03 00:44:43

Author: jewillco
Date: 2012-04-03 00:44:40 EDT (Tue, 03 Apr 2012)
New Revision: 77733
URL: http://svn.boost.org/trac/boost/changeset/77733

Log:
Added null_vertex()
Text files modified: 
   trunk/boost/graph/vector_as_graph.hpp |     1 +                                       
   1 files changed, 1 insertions(+), 0 deletions(-)

Modified: trunk/boost/graph/vector_as_graph.hpp
==============================================================================
--- trunk/boost/graph/vector_as_graph.hpp	(original)
+++ trunk/boost/graph/vector_as_graph.hpp	2012-04-03 00:44:40 EDT (Tue, 03 Apr 2012)
@@ -79,6 +79,7 @@
     typedef typename std::vector<EdgeList>::size_type vertices_size_type;
     typedef void edges_size_type;
     typedef typename EdgeList::size_type degree_size_type;
+    static V null_vertex() {return V(-1);}
   };
   template <class EdgeList>
   struct edge_property_type< std::vector<EdgeList> >