[boost] [graph] (doc) boost::graph_traits<G>::null_vertex() missing in page "Graph concepts"

From: Jens Müller (jens.mueller_at_[hidden])
Date: 2007-03-09 08:41:17

http://www.boost.org/libs/graph/doc/Graph.html mentions it:

Valid Expressions

boost::graph_traits<G>::null_vertex()

        Returns a special boost::graph_traits<G>::vertex_descriptor object 
which does not refer to any vertex of graph object which type is G. 	

http://www.boost.org/libs/graph/doc/graph_concepts.html does not ...