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56 lines
1.4 KiB
C++
56 lines
1.4 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2013. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP
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#define BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/container/detail/config_begin.hpp>
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#include <boost/container/detail/workaround.hpp>
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namespace boost {
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namespace container {
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template<class Key, class Mapped>
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struct pair_key_mapped_of_value
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{
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typedef Key key_type;
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typedef Mapped mapped_type;
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template<class Pair>
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const key_type & key_of_value(const Pair &p) const
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{ return p.first; }
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template<class Pair>
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const mapped_type & mapped_of_value(const Pair &p) const
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{ return p.second; }
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template<class Pair>
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key_type & key_of_value(Pair &p) const
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{ return const_cast<key_type&>(p.first); }
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template<class Pair>
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mapped_type & mapped_of_value(Pair &p) const
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{ return p.second; }
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};
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}}
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#include <boost/container/detail/config_end.hpp>
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#endif // BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP
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