Chris@16: // Boost.Bimap
Chris@16: //
Chris@16: // Copyright (c) 2006-2007 Matias Capeletto
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: // (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: /// \file relation/symmetrical_base.hpp
Chris@16: /// \brief Base class for symmetrical types
Chris@16: 
Chris@16: #ifndef BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP
Chris@16: #define BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP
Chris@16: 
Chris@101: #if defined(_MSC_VER)
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: #include <boost/mpl/if.hpp>
Chris@16: #include <boost/type_traits/remove_const.hpp>
Chris@16: 
Chris@16: // Boost.Bimap
Chris@16: #include <boost/bimap/tags/tagged.hpp>
Chris@16: #include <boost/bimap/tags/support/default_tagged.hpp>
Chris@16: 
Chris@16: #include <boost/bimap/relation/member_at.hpp>
Chris@16: 
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace bimaps {
Chris@16: namespace relation {
Chris@16: 
Chris@16: /// \brief Base of symetrical tagged types.
Chris@16: /**
Chris@16: 
Chris@16:                                                            **/
Chris@16: 
Chris@16: template< class TA, class TB, bool force_mutable = false >
Chris@16: class symmetrical_base
Chris@16: {
Chris@16: 
Chris@16:     public:
Chris@16: 
Chris@16:     typedef BOOST_DEDUCED_TYPENAME tags::support::default_tagged
Chris@16:     <
Chris@16:         TA,
Chris@16:         member_at::left
Chris@16: 
Chris@16:     >::type tagged_left_type;
Chris@16: 
Chris@16:     typedef BOOST_DEDUCED_TYPENAME tags::support::default_tagged
Chris@16:     <
Chris@16:         TB,
Chris@16:         member_at::right
Chris@16: 
Chris@16:     >::type tagged_right_type;
Chris@16: 
Chris@16:     public:
Chris@16: 
Chris@16:     //@{
Chris@16:         /// The type stored in the relation
Chris@16: 
Chris@16:         typedef BOOST_DEDUCED_TYPENAME ::boost::mpl::if_c< force_mutable,
Chris@16: 
Chris@16:             BOOST_DEDUCED_TYPENAME ::boost::remove_const<
Chris@16:                 BOOST_DEDUCED_TYPENAME tagged_left_type::value_type >::type,
Chris@16:             BOOST_DEDUCED_TYPENAME tagged_left_type::value_type
Chris@16: 
Chris@16:         >::type left_value_type;
Chris@16: 
Chris@16:         typedef BOOST_DEDUCED_TYPENAME ::boost::mpl::if_c< force_mutable,
Chris@16: 
Chris@16:             BOOST_DEDUCED_TYPENAME ::boost::remove_const<
Chris@16:                 BOOST_DEDUCED_TYPENAME tagged_right_type::value_type >::type,
Chris@16:             BOOST_DEDUCED_TYPENAME tagged_right_type::value_type
Chris@16: 
Chris@16:         >::type right_value_type;
Chris@16:     //@}
Chris@16: 
Chris@16:     //@{
Chris@16:         /// The tag of the member. By default it is \c member_at::{side}
Chris@16:         typedef BOOST_DEDUCED_TYPENAME tagged_left_type ::tag  left_tag;
Chris@16:         typedef BOOST_DEDUCED_TYPENAME tagged_right_type::tag right_tag;
Chris@16:     //@}
Chris@16: };
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: } // namespace relation
Chris@16: } // namespace bimaps
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_BIMAP_RELATION_SYMMETRICAL_BASE_HPP
Chris@16: