63e88f80
 Hu Chunming
提交三方库
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/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2014-2014
//
// 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/intrusive for documentation.
//
/////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_INTRUSIVE_DETAIL_TWIN_HPP
#define BOOST_INTRUSIVE_DETAIL_TWIN_HPP
#ifndef BOOST_CONFIG_HPP
# include <boost/config.hpp>
#endif
#if defined(BOOST_HAS_PRAGMA_ONCE)
# pragma once
#endif
//A tiny utility to avoid pulling std::pair / utility for
//very simple algorithms/types
namespace boost {
namespace intrusive {
template <class T>
struct twin
{
typedef T type;
twin()
: first(), second()
{}
twin(const type &f, const type &s)
: first(f), second(s)
{}
T first;
T second;
};
} //namespace intrusive{
} //namespace boost{
#endif //BOOST_INTRUSIVE_DETAIL_TWIN_HPP
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