/* Copyright 2003-2008 Joaquin M Lopez Munoz. | |
* Distributed under the Boost Software License, Version 1.0. | |
* (See accompanying file LICENSE_1_0.txt or copy at | |
* http://www.boost.org/LICENSE_1_0.txt) | |
* | |
* See http://www.boost.org/libs/multi_index for library home page. | |
*/ | |
#ifndef BOOST_MULTI_INDEX_DETAIL_HAS_TAG_HPP | |
#define BOOST_MULTI_INDEX_DETAIL_HAS_TAG_HPP | |
#if defined(_MSC_VER)&&(_MSC_VER>=1200) | |
#pragma once | |
#endif | |
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ | |
#include <boost/mpl/contains.hpp> | |
namespace boost{ | |
namespace multi_index{ | |
namespace detail{ | |
/* determines whether an index type has a given tag in its tag list */ | |
template<typename Tag> | |
struct has_tag | |
{ | |
template<typename Index> | |
struct apply:mpl::contains<BOOST_DEDUCED_TYPENAME Index::tag_list,Tag> | |
{ | |
}; | |
}; | |
} /* namespace multi_index::detail */ | |
} /* namespace multi_index */ | |
} /* namespace boost */ | |
#endif |