text: 
  #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 49267 2008-10-11 06:19:02Z agurtovoy $
  // $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
  // $Revision: 49267 $
  
  #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
  