text: //////////////////////////////////////////////////////////////////////////////
  //
  // (C) Copyright Ion Gaztanaga 2015-2016.
  // 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/move for documentation.
  //
  //////////////////////////////////////////////////////////////////////////////
  #ifndef BOOST_MOVE_ALGO_BASIC_OP
  #define BOOST_MOVE_ALGO_BASIC_OP
  
  #ifndef BOOST_CONFIG_HPP
  #  include <boost/config.hpp>
  #endif
  #
  #if defined(BOOST_HAS_PRAGMA_ONCE)
  #  pragma once
  #endif
  
  #include <boost/move/utility_core.hpp>
  #include <boost/move/adl_move_swap.hpp>
  
  namespace boost {
  namespace movelib {
  
  struct forward_t{};
  struct backward_t{};
  
  struct move_op
  {
     template <class SourceIt, class DestinationIt>
     void operator()(SourceIt source, DestinationIt dest)
     {  *dest = ::boost::move(*source);  }
  
     template <class SourceIt, class DestinationIt>
     DestinationIt operator()(forward_t, SourceIt first, SourceIt last, DestinationIt dest_begin)
     {  return ::boost::move(first, last, dest_begin);  }
  
     template <class SourceIt, class DestinationIt>
     DestinationIt operator()(backward_t, SourceIt first, SourceIt last, DestinationIt dest_last)
     {  return ::boost::move_backward(first, last, dest_last);  }
  };
  
  struct swap_op
  {
     template <class SourceIt, class DestinationIt>
     void operator()(SourceIt source, DestinationIt dest)
     {  boost::adl_move_swap(*dest, *source);  }
  
     template <class SourceIt, class DestinationIt>
     DestinationIt operator()(forward_t, SourceIt first, SourceIt last, DestinationIt dest_begin)
     {  return boost::adl_move_swap_ranges(first, last, dest_begin);  }
  
     template <class SourceIt, class DestinationIt>
     DestinationIt operator()(backward_t, SourceIt first, SourceIt last, DestinationIt dest_begin)
     {  return boost::adl_move_swap_ranges_backward(first, last, dest_begin);  }
  };
  
  }} //namespace boost::movelib
  
  #endif   //BOOST_MOVE_ALGO_BASIC_OP
  