// Boost.Bimap | |
// | |
// Copyright (c) 2006-2007 Matias Capeletto | |
// | |
// 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) | |
/// \file detail/concept_tags.hpp | |
/// \brief Bimap tags and concepts | |
#ifndef BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP | |
#define BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP | |
#if defined(_MSC_VER) && (_MSC_VER>=1200) | |
#pragma once | |
#endif | |
#include <boost/config.hpp> | |
#include <boost/mpl/identity.hpp> | |
#include <boost/mpl/placeholders.hpp> | |
#include <boost/mpl/bool.hpp> | |
namespace boost { | |
namespace bimaps { | |
namespace detail { | |
/// \brief Tag of {SetType}_of definition classes | |
/** | |
The {SetType}_of classes are derived from this class so it is easy to construct | |
metafunctions. For example now is easy to create a is_set_type_of metafunction. | |
**/ | |
struct set_type_of_tag {}; | |
/// \brief Tag of {SetType}_of_relation defition classes | |
struct set_type_of_relation_tag {}; | |
/// \brief Tag of {Side}_based identifiers | |
struct side_based_tag : set_type_of_relation_tag {}; | |
} // namespace detail | |
/** \struct boost::bimaps::left_based | |
\brief Tag to indicate that the main view will be based on the left side. | |
This is convenient because the multi-index core will be more efficient. | |
If possible use this options or the right based one. | |
See also right_based. | |
**/ | |
/** \struct boost::bimaps::right_based | |
\brief Tag to indicate that the main view will be based on the right side. | |
This is convenient because the multi-index core will be more efficient. | |
If possible use this options or the right based one. | |
See also left_based. | |
**/ | |
#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES | |
struct left_based : ::boost::bimaps::detail::side_based_tag | |
{ | |
// I run into troubles if I do not define bind for side based tags. | |
// Maybe a more coherent way of binding the relation can be developped. | |
template< class Relation > struct bind_to { typedef void type; }; | |
typedef mpl::bool_<true> left_mutable_key; | |
typedef mpl::bool_<true> right_mutable_key; | |
}; | |
struct right_based : ::boost::bimaps::detail::side_based_tag | |
{ | |
// I run into troubles if I do not define bind for side based tags. | |
// Maybe a more coherent way of binding the relation can be developped. | |
template< class Relation > struct bind_to { typedef void type; }; | |
typedef mpl::bool_<true> left_mutable_key; | |
typedef mpl::bool_<true> right_mutable_key; | |
}; | |
#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES | |
typedef mpl::_ _relation; | |
} // namespace bimaps | |
} // namespace boost | |
#endif // BOOST_BIMAP_DETAIL_CONCEPT_TAGS_HPP | |