text: 
  #ifndef BOOST_MPL_AUX_RANGE_C_EMPTY_HPP_INCLUDED
  #define BOOST_MPL_AUX_RANGE_C_EMPTY_HPP_INCLUDED
  
  // Copyright Aleksey Gurtovoy 2000-2004
  //
  // 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: empty.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/empty_fwd.hpp>
  #include <boost/mpl/equal_to.hpp>
  #include <boost/mpl/aux_/range_c/tag.hpp>
  
  namespace boost { namespace mpl {
  
  template<>
  struct empty_impl< aux::half_open_range_tag >
  {
      template< typename Range > struct apply
          : equal_to<
                typename Range::start
              , typename Range::finish
              >
      {
      };
  };
  
  }}
  
  #endif // BOOST_MPL_AUX_RANGE_C_EMPTY_HPP_INCLUDED
  