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1 | // Boost.Bimap |
| 2 | // | |
| 3 | // Copyright (c) 2006-2007 Matias Capeletto | |
| 4 | // | |
| 5 | // Distributed under the Boost Software License, Version 1.0. | |
| 6 | // (See accompanying file LICENSE_1_0.txt or copy at | |
| 7 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 8 | ||
| 9 | /// \file relation/support/pair_type_by.hpp | |
| 10 | /// \brief pair_type_by<tag,relation> metafunction | |
| 11 | ||
| 12 | #ifndef BOOST_BIMAP_RELATION_SUPPORT_PAIR_TYPE_BY_HPP | |
| 13 | #define BOOST_BIMAP_RELATION_SUPPORT_PAIR_TYPE_BY_HPP | |
| 14 | ||
| 15 | #if defined(_MSC_VER) | |
| 16 | #pragma once | |
| 17 | #endif | |
| 18 | ||
| 19 | #include <boost/config.hpp> | |
| 20 | ||
| 21 | #include <boost/bimap/relation/detail/metadata_access_builder.hpp> | |
| 22 | ||
| 23 | /** \struct boost::bimaps::relation::support::pair_type_by | |
| 24 | ||
| 25 | \brief Metafunction to obtain the view type indexed by one of the sides. | |
| 26 | ||
| 27 | \code | |
| 28 | ||
| 29 | template< class Tag, class Relation > | |
| 30 | struct pair_type_by | |
| 31 | { | |
| 32 | typedef {signature-compatible with std::pair} type; | |
| 33 | }; | |
| 34 | ||
| 35 | \endcode | |
| 36 | ||
| 37 | See also member_at, pair_by(). | |
| 38 | \ingroup relation_group | |
| 39 | **/ | |
| 40 | ||
| 41 | namespace boost { | |
| 42 | namespace bimaps { | |
| 43 | namespace relation { | |
| 44 | namespace support { | |
| 45 | ||
| 46 | // Implementation of pair type by metafunction | |
| 47 | ||
| 48 | BOOST_BIMAP_SYMMETRIC_METADATA_ACCESS_BUILDER | |
| 49 | ( | |
| 50 | pair_type_by, | |
| 51 | left_pair, | |
| 52 | right_pair | |
| 53 | ) | |
| 54 | ||
| 55 | } // namespace support | |
| 56 | } // namespace relation | |
| 57 | } // namespace bimaps | |
| 58 | } // namespace boost | |
| 59 | ||
| 60 | ||
| 61 | #endif // BOOST_BIMAP_RELATION_SUPPORT_PAIR_BY_TYPE_HPP | |
| 62 |