// 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 | |