ext-boost/boost/container/detail/pair_key_mapped_of_value.hpp
2018-01-01 20:31:13 +00:00

56 lines
1.4 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2013. 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)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP
#define BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
namespace boost {
namespace container {
template<class Key, class Mapped>
struct pair_key_mapped_of_value
{
typedef Key key_type;
typedef Mapped mapped_type;
template<class Pair>
const key_type & key_of_value(const Pair &p) const
{ return p.first; }
template<class Pair>
const mapped_type & mapped_of_value(const Pair &p) const
{ return p.second; }
template<class Pair>
key_type & key_of_value(Pair &p) const
{ return const_cast<key_type&>(p.first); }
template<class Pair>
mapped_type & mapped_of_value(Pair &p) const
{ return p.second; }
};
}}
#include <boost/container/detail/config_end.hpp>
#endif // BOOST_CONTAINER_PAIR_KEY_MAPPED_OF_VALUE_HPP