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added more specializations of hash

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[SVN r15103]
This commit is contained in:
Jeremy Siek
2002-08-26 17:10:28 +00:00
parent fdb0f8e6b4
commit 4e687216b7
1 changed files with 32 additions and 3 deletions
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35
include/boost/graph/detail/adjacency_list.hpp
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@@ -2508,14 +2508,43 @@ namespace boost {
#if !defined(BOOST_NO_HASH) && !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
namespace BOOST_STD_EXTENSION_NAMESPACE {
template <typename V, typename P>
struct hash< boost::detail::stored_edge_property <V,P> >
template <>
struct hash< void* > // Need this when vertex_descriptor=void*
{
std::size_t operator()(const boost::detail::stored_edge_property<V,P>& e) const
std::size_t
operator()(void* v) const { return (std::size_t)v; }
};
template <typename V>
struct hash< boost::detail::stored_edge<V> >
{
std::size_t
operator()(const boost::detail::stored_edge<V>& e) const
{
return hash<V>()(e.m_target);
}
};
template <typename V, typename P>
struct hash< boost::detail::stored_edge_property <V,P> >
{
std::size_t
operator()(const boost::detail::stored_edge_property<V,P>& e) const
{
return hash<V>()(e.m_target);
}
};
template <typename V, typename I, typename P>
struct hash< boost::detail::stored_edge_iter<V,I, P> >
{
std::size_t
operator()(const boost::detail::stored_edge_iter<V,I,P>& e) const
{
return hash<V>()(e.m_target);
}
};
}
#endif