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- // 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)
- #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
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