pair.hpp

Go to the documentation of this file.

 
#ifndef BOOST_MPL_PAIR_HPP_INCLUDED
#define BOOST_MPL_PAIR_HPP_INCLUDED
 
// Copyright Aleksey Gurtovoy 2001-2004
//
// 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/mpl for documentation.
 
// $Id: pair.hpp 13472 2017-08-22 07:53:44Z richean $
// $Date: 2017-08-22 09:53:44 +0200 (Di, 22 Aug 2017) $
// $Revision: 13472 $
 
#include <boost/mpl/aux_/msvc_eti_base.hpp>
#include <boost/mpl/aux_/na_spec.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
#include <boost/mpl/aux_/config/eti.hpp>
 
namespace boost { namespace mpl {
 
template<
      typename BOOST_MPL_AUX_NA_PARAM(T1)
    , typename BOOST_MPL_AUX_NA_PARAM(T2)
    >
struct pair
{
    typedef pair type;
    typedef T1 first;
    typedef T2 second;
 
    BOOST_MPL_AUX_LAMBDA_SUPPORT(2,pair,(T1,T2))
};
 
template<
      typename BOOST_MPL_AUX_NA_PARAM(P)
    >
struct first
{
#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
    typedef typename P::first type;
#else
    typedef typename aux::msvc_eti_base<P>::first type;
#endif
    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,first,(P))
};
 
template<
      typename BOOST_MPL_AUX_NA_PARAM(P)
    >
struct second
{
#if !defined(BOOST_MPL_CFG_MSVC_70_ETI_BUG)
    typedef typename P::second type;
#else
    typedef typename aux::msvc_eti_base<P>::second type;
#endif
    BOOST_MPL_AUX_LAMBDA_SUPPORT(1,second,(P))
};
 
 
BOOST_MPL_AUX_NA_SPEC_NO_ETI(2, pair)
BOOST_MPL_AUX_NA_SPEC(1, first)
BOOST_MPL_AUX_NA_SPEC(1, second)
 
}}
 
#endif // BOOST_MPL_PAIR_HPP_INCLUDED