#ifndef  BOOST_SERIALIZATION_STRING_HPP

 #define BOOST_SERIALIZATION_STRING_HPP

 // MS compatible compilers support #pragma once

 #if defined(_MSC_VER) && (_MSC_VER >= 1020)

 # pragma once

 #endif

 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8

 // serialization/string.hpp:

 // serialization for stl string templates

 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 

 // Use, modification and distribution is subject to 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 for updates, documentation, and revision history.

 #include <string>

 #include <boost/config.hpp>

 #include <boost/serialization/level.hpp>

 BOOST_CLASS_IMPLEMENTATION(std::string, boost::serialization::primitive_type)

 #ifndef BOOST_NO_STD_WSTRING

 BOOST_CLASS_IMPLEMENTATION(std::wstring, boost::serialization::primitive_type)

 #endif

 // left over from a previous incarnation - strings are now always primitive types

 #if 0 

 #include <string>

 #include <boost/serialization/collections_save_imp.hpp>

 #include <boost/serialization/collections_load_imp.hpp>

 #include <boost/serialization/split_free.hpp>

 namespace boost { 

 namespace serialization {

 // basic_string - general case

 template<class Archive, class U, class Allocator>

 inline void save(

     Archive & ar,

     const std::basic_string<U, Allocator> &t,

     const unsigned int file_version

 ){

     boost::serialization::stl::save_collection<

         Archive, std::basic_string<U, Allocator> 

     >(ar, t);

 }

 template<class Archive, class U, class Allocator>

 inline void load(

     Archive & ar,

     std::basic_string<U, Allocator> &t,

     const unsigned int file_version

 ){

     boost::serialization::stl::load_collection<

         Archive,

         std::basic_string<U, Allocator>,

         boost::serialization::stl::archive_input_seq<

             Archive, 

             std::basic_string<U, Allocator> 

         >,

         boost::serialization::stl::reserve_imp<

             std::basic_string<U, Allocator> 

         >

     >(ar, t);

 }

 // split non-intrusive serialization function member into separate

 // non intrusive save/load member functions

 template<class Archive, class U, class Allocator>

 inline void serialize(

     Archive & ar,

     std::basic_string<U, Allocator> & t,

     const unsigned int file_version

 ){

     boost::serialization::split_free(ar, t, file_version);

 }

 } // serialization

 } // namespace boost

 #include <boost/serialization/collection_traits.hpp>

 BOOST_SERIALIZATION_COLLECTION_TRAITS(std::vector)

 #endif

 #endif // BOOST_SERIALIZATION_STRING_HPP