text: 
  #ifndef BOOST_MPL_LIST_AUX_ITERATOR_HPP_INCLUDED
  #define BOOST_MPL_LIST_AUX_ITERATOR_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: iterator.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
  // $Date: 2008-10-11 08:19:02 +0200 (sam., 11 oct. 2008) $
  // $Revision: 49267 $
  
  #include <boost/mpl/iterator_tags.hpp>
  #include <boost/mpl/next_prior.hpp>
  #include <boost/mpl/deref.hpp>
  #include <boost/mpl/list/aux_/item.hpp>
  #include <boost/mpl/aux_/na.hpp>
  #include <boost/mpl/aux_/lambda_spec.hpp>
  #include <boost/mpl/aux_/config/ctps.hpp>
  
  namespace boost { namespace mpl {
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
  
  template< typename Node >
  struct l_iter
  {
      typedef aux::l_iter_tag tag;
      typedef forward_iterator_tag category;
  };
  
  template< typename Node >
  struct deref< l_iter<Node> >
  {
      typedef typename Node::item type;
  };
  
  template< typename Node >
  struct next< l_iter<Node> >
  {
      typedef l_iter< typename Node::next > type;
  };
  
  #else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  
  template< typename Node >
  struct l_iter
  {
      typedef aux::l_iter_tag tag;
      typedef forward_iterator_tag category;
      typedef typename Node::item type;
      typedef l_iter< typename mpl::next<Node>::type > next;
  };
  
  #endif
  
  
  template<> struct l_iter<l_end>
  {
      typedef aux::l_iter_tag tag;
      typedef forward_iterator_tag category;
  #if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
      typedef na type;
      typedef l_iter next;
  #endif
  };
  
  BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(1, l_iter)
  
  }}
  
  #endif // BOOST_MPL_LIST_AUX_ITERATOR_HPP_INCLUDED
  