| // 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 relation/symmetrical_base.hpp |
| /// \brief Base class for symmetrical types |
| |
| #ifndef BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP |
| #define BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER>=1200) |
| #pragma once |
| #endif |
| |
| #include <boost/config.hpp> |
| |
| #include <boost/mpl/if.hpp> |
| #include <boost/type_traits/remove_const.hpp> |
| |
| // Boost.Bimap |
| #include <boost/bimap/tags/tagged.hpp> |
| #include <boost/bimap/tags/support/default_tagged.hpp> |
| |
| #include <boost/bimap/relation/member_at.hpp> |
| |
| |
| namespace boost { |
| namespace bimaps { |
| namespace relation { |
| |
| /// \brief Base of symetrical tagged types. |
| /** |
| |
| **/ |
| |
| template< class TA, class TB, bool force_mutable = false > |
| class symmetrical_base |
| { |
| |
| public: |
| |
| typedef BOOST_DEDUCED_TYPENAME tags::support::default_tagged |
| < |
| TA, |
| member_at::left |
| |
| >::type tagged_left_type; |
| |
| typedef BOOST_DEDUCED_TYPENAME tags::support::default_tagged |
| < |
| TB, |
| member_at::right |
| |
| >::type tagged_right_type; |
| |
| public: |
| |
| //@{ |
| /// The type stored in the relation |
| |
| typedef BOOST_DEDUCED_TYPENAME ::boost::mpl::if_c< force_mutable, |
| |
| BOOST_DEDUCED_TYPENAME ::boost::remove_const< |
| BOOST_DEDUCED_TYPENAME tagged_left_type::value_type >::type, |
| BOOST_DEDUCED_TYPENAME tagged_left_type::value_type |
| |
| >::type left_value_type; |
| |
| typedef BOOST_DEDUCED_TYPENAME ::boost::mpl::if_c< force_mutable, |
| |
| BOOST_DEDUCED_TYPENAME ::boost::remove_const< |
| BOOST_DEDUCED_TYPENAME tagged_right_type::value_type >::type, |
| BOOST_DEDUCED_TYPENAME tagged_right_type::value_type |
| |
| >::type right_value_type; |
| //@} |
| |
| //@{ |
| /// The tag of the member. By default it is \c member_at::{side} |
| typedef BOOST_DEDUCED_TYPENAME tagged_left_type ::tag left_tag; |
| typedef BOOST_DEDUCED_TYPENAME tagged_right_type::tag right_tag; |
| //@} |
| }; |
| |
| |
| |
| } // namespace relation |
| } // namespace bimaps |
| } // namespace boost |
| |
| |
| #endif // BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP |
| |