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84 lines
1.8 KiB
84 lines
1.8 KiB
// Boost.Bimap |
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// |
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// Copyright (c) 2006-2007 Matias Capeletto |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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/// \file detail/manage_bimap_key.hpp |
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/// \brief Utility class to manage the set types of a bimap. |
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#ifndef BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP |
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#define BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP |
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#if defined(_MSC_VER) && (_MSC_VER>=1200) |
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#pragma once |
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#endif |
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#include <boost/config.hpp> |
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#include <boost/mpl/eval_if.hpp> |
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#include <boost/mpl/identity.hpp> |
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#include <boost/bimap/detail/is_set_type_of.hpp> |
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#include <boost/bimap/set_of.hpp> |
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namespace boost { |
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namespace bimaps { |
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namespace detail { |
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/** \struct boost::bimaps::detail::manage_bimap_key |
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\brief Metafunction to manage the set types of a bimap. |
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\code |
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template< class Type > |
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struct manage_bimap_key |
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{ |
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typedef -SetType- type; |
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} |
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\endcode |
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See also bimap, bimap_core. |
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**/ |
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#ifndef BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES |
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template< class Type > |
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struct manage_bimap_key |
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{ |
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typedef BOOST_DEDUCED_TYPENAME |
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mpl::eval_if< BOOST_DEDUCED_TYPENAME is_set_type_of< Type >::type, |
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// { |
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mpl::identity< Type >, |
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// } |
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// else |
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// { |
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// Default it to a set |
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mpl::identity< set_of< Type > > |
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// } |
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>::type set_type; |
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// Returns set_type and evaluate the concept_checked_type |
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typedef BOOST_DEDUCED_TYPENAME mpl::if_c< true, set_type, |
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BOOST_DEDUCED_TYPENAME set_type::lazy_concept_checked::type |
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>::type type; |
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}; |
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#endif // BOOST_BIMAP_DOXYGEN_WILL_NOT_PROCESS_THE_FOLLOWING_LINES |
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} // namespace detail |
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} // namespace bimaps |
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} // namespace boost |
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#endif // BOOST_BIMAP_DETAIL_MANAGE_BIMAP_KEY_HPP |
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