| // 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/pair_layout.hpp |
| /// \brief Tags for pair layouts |
| |
| #ifndef BOOST_BIMAP_RELATION_PAIR_LAYOUT_HPP |
| #define BOOST_BIMAP_RELATION_PAIR_LAYOUT_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER>=1200) |
| #pragma once |
| #endif |
| |
| #include <boost/config.hpp> |
| |
| namespace boost { |
| namespace bimaps { |
| namespace relation { |
| |
| //@{ |
| |
| /// \brief Tag for normal layout. ( A,B -> A,B ) |
| |
| struct normal_layout {}; |
| |
| /// \brief Tag for mirror layout. ( A,B -> B,A ) |
| |
| struct mirror_layout {}; |
| |
| //@} |
| |
| /** \struct boost::bimaps::relation::inverse_layout |
| \brief Metafunction to obtain the inverse of a layout. |
| |
| \code |
| template< class Layout > |
| struct inverse_layout |
| { |
| typedef {InverseLayout} type; |
| }; |
| \endcode |
| |
| See also normal_layout, mirror_layout. |
| **/ |
| |
| #ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES |
| |
| template< class Layout > |
| struct inverse_layout |
| { |
| typedef normal_layout type; |
| }; |
| |
| template<> |
| struct inverse_layout< normal_layout > |
| { |
| typedef mirror_layout type; |
| }; |
| |
| #endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES |
| |
| } // namespace relation |
| } // namespace bimaps |
| } // namespace boost |
| |
| #endif // BOOST_BIMAP_RELATION_DETAIL_PAIR_LAYOUT_HPP |
| |