text: #ifndef BOOST_SERIALIZATION_BINARY_OBJECT_HPP
  #define BOOST_SERIALIZATION_BINARY_OBJECT_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
  // nvp.hpp: interface for serialization system.
  
  // (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 <cassert>
  
  #include <cstddef> // std::size_t
  #include <boost/config.hpp>
  #if defined(BOOST_NO_STDC_NAMESPACE)
  namespace std{ 
      using ::size_t; 
  } // namespace std
  #endif
  
  #include <boost/preprocessor/stringize.hpp>
  #include <boost/serialization/tracking.hpp>
  #include <boost/serialization/level.hpp>
  #include <boost/serialization/split_member.hpp>
  #include <boost/serialization/nvp.hpp>
  
  namespace boost {
  namespace serialization {
  
  struct binary_object {
      /* const */ void * const m_t;
      const std::size_t m_size;
      template<class Archive>
      void save(Archive & ar, const unsigned int /* file_version */) const {
          ar.save_binary(m_t, m_size);
      }
      template<class Archive>
      void load(Archive & ar, const unsigned int /* file_version */){
          ar.load_binary(const_cast<void *>(m_t), m_size);
      }
      BOOST_SERIALIZATION_SPLIT_MEMBER()
          binary_object(/* const */ void * const t, std::size_t size) :
          m_t(t),
          m_size(size)
      {}
      binary_object(const binary_object & rhs) :
          m_t(rhs.m_t),
          m_size(rhs.m_size)
      {}
  };
  
  // just a little helper to support the convention that all serialization
  // wrappers follow the naming convention make_xxxxx
  inline 
  binary_object make_binary_object(/* const */ void * t, std::size_t size){
      return binary_object(t, size);
  }
  
  // make special version of nvp which for binary object wrapper rather than
  // a pointer to them.  This permits a better composition of nvp(binary_object)
  // than would otherwise be possible.
  
  template<>
  struct nvp<binary_object> : 
      public std::pair<const char *, binary_object>,
      public traits<nvp<binary_object>, object_serializable, track_never>
  {
      explicit nvp(const char * name, binary_object & t) : 
          std::pair<const char *, binary_object>(name, t)
      {}
      nvp(const nvp<binary_object> & rhs) : 
          std::pair<const char *, binary_object>(rhs.first, rhs.second)
      {}
  
      const char * name() const {
          return this->first;
      }
      binary_object & value() {
          return this->second;
      }
      const binary_object & value() const {
          return this->second;
      }
      // default treatment for name-value pairs. The name is
      // just discarded and only the value is serialized.  Note the unusual
      // fact that his is "const".  This is because wrappers themselves are
      // in fact "const" - even though the things they wrap may not be.
      // note: removed "const" because it confuses MSVC 6.0
      template<class Archive>
      void serialize(Archive & ar, const unsigned int /* file_version */) /*const*/
      {
          ar & value();
      }
  };
  
  inline nvp<binary_object> make_nvp(const char * name, binary_object t){
      return nvp<binary_object>(name, t);
  }
  
  } // namespace serialization
  } // boost
  
  // don't need versioning info for this type
  BOOST_CLASS_IMPLEMENTATION(
      binary_object, 
      boost::serialization::object_serializable
  )
  
  // don't track binary objects - usually they will be created on the stack
  // and tracking algorithm (which uses the object address) might get
  // confused.  note that these address will likely be members of some
  // other structure which itself is tracked, so as a practical matter
  // suppressing tracking shouldn't cause any redundancy.
  
  BOOST_CLASS_TRACKING(binary_object, boost::serialization::track_never) 
  
  #endif // BOOST_SERIALIZATION_BINARY_OBJECT_HPP
  