text: 
  #ifndef BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
  #define BOOST_MPL_AUX_TRANSFORM_ITER_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.
  
  // $Id$
  // $Date$
  // $Revision$
  
  #include <boost/mpl/apply.hpp>
  #include <boost/mpl/iterator_tags.hpp>
  #include <boost/mpl/next.hpp>
  #include <boost/mpl/deref.hpp>
  #include <boost/mpl/aux_/lambda_spec.hpp>
  #include <boost/mpl/aux_/config/ctps.hpp>
  #include <boost/type_traits/is_same.hpp>
  
  namespace boost { namespace mpl { 
  
  namespace aux {
  
  #if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
  
  template<
        typename Iterator
      , typename LastIterator
      , typename F
      >
  struct transform_iter
  {
      typedef Iterator base;
      typedef forward_iterator_tag category;
      typedef transform_iter< typename mpl::next<base>::type,LastIterator,F > next;
      
      typedef typename apply1<
            F
          , typename deref<base>::type
          >::type type;
  };
  
  template<
        typename LastIterator
      , typename F
      >
  struct transform_iter< LastIterator,LastIterator,F >
  {
      typedef LastIterator base;
      typedef forward_iterator_tag category;
  };
  
  #else
  
  template<
        typename Iterator
      , typename LastIterator
      , typename F
      >
  struct transform_iter;
  
  template< bool >
  struct transform_iter_impl 
  {
      template<
            typename Iterator
          , typename LastIterator
          , typename F
          >
      struct result_
      {
          typedef Iterator base;
          typedef forward_iterator_tag category;
          typedef transform_iter< typename mpl::next<Iterator>::type,LastIterator,F > next;
          
          typedef typename apply1<
                F
              , typename deref<Iterator>::type
              >::type type;
      };
  };
  
  template<>
  struct transform_iter_impl<true>
  {
      template<
            typename Iterator
          , typename LastIterator
          , typename F
          >
      struct result_
      {
          typedef Iterator base;
          typedef forward_iterator_tag category;
      };
  };
  
  template<
        typename Iterator
      , typename LastIterator
      , typename F
      >
  struct transform_iter
      : transform_iter_impl<
            ::boost::is_same<Iterator,LastIterator>::value
          >::template result_< Iterator,LastIterator,F >
  {
  };
  
  #endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
  
  } // namespace aux
  
  BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(3, aux::transform_iter)
  
  }}
  
  #endif // BOOST_MPL_AUX_TRANSFORM_ITER_HPP_INCLUDED
  