Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

boost/fusion/include/std_pair.hpp

/*=============================================================================
    Copyright (c) 2001-2007 Joel de Guzman

    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)
==============================================================================*/
#if !defined(FUSION_INCLUDE_STD_PAIR)
#define FUSION_INCLUDE_STD_PAIR

#include <boost/fusion/support/config.hpp>
#include <boost/fusion/adapted/std_pair.hpp>

#endif