Subject: [Boost-commit] svn:boost r77730 - trunk/boost/graph
From: jewillco_at_[hidden]
Date: 2012-04-03 00:39:07
Author: jewillco
Date: 2012-04-03 00:39:03 EDT (Tue, 03 Apr 2012)
New Revision: 77730
URL: http://svn.boost.org/trac/boost/changeset/77730
Log:
Added null_vertex() required by Graph concept
Text files modified:
trunk/boost/graph/graph_archetypes.hpp | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
Modified: trunk/boost/graph/graph_archetypes.hpp
==============================================================================
--- trunk/boost/graph/graph_archetypes.hpp (original)
+++ trunk/boost/graph/graph_archetypes.hpp 2012-04-03 00:39:03 EDT (Tue, 03 Apr 2012)
@@ -53,6 +53,8 @@
typedef void in_edge_iterator;
typedef void vertex_iterator;
typedef void edge_iterator;
+
+ static vertex_descriptor null_vertex() {return vertex_descriptor();}
};
template <typename V, typename D, typename P, typename B>
V source(const typename incidence_graph_archetype<V,D,P,B>::edge_descriptor&,
@@ -105,6 +107,8 @@
typedef void out_edge_iterator;
typedef void vertex_iterator;
typedef void edge_iterator;
+
+ static vertex_descriptor null_vertex() {return vertex_descriptor();}
};
template <typename V, typename D, typename P, typename B>
@@ -154,6 +158,8 @@
typedef void in_edge_iterator;
typedef void edge_iterator;
+
+ static vertex_descriptor null_vertex() {return vertex_descriptor();}
};
template <typename V, typename D, typename P, typename B>