14 #include <boost/concept_check.hpp>
26 typedef typename boost::graph_traits< G >::edge_parallel_category
34 (boost::DefaultConstructibleConcept< vertex_descriptor >));
36 (boost::EqualityComparableConcept< vertex_descriptor >));
37 BOOST_CONCEPT_ASSERT((boost::AssignableConcept< vertex_descriptor >));
39 (boost::DefaultConstructibleConcept< edge_descriptor >));
40 BOOST_CONCEPT_ASSERT((boost::EqualityComparableConcept< edge_descriptor >));
41 BOOST_CONCEPT_ASSERT((boost::AssignableConcept< edge_descriptor >));