williamr@4: #ifndef  BOOST_SERIALIZATION_UTILITY_HPP
williamr@4: #define BOOST_SERIALIZATION_UTILITY_HPP
williamr@4: 
williamr@4: // MS compatible compilers support #pragma once
williamr@4: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
williamr@4: # pragma once
williamr@4: #endif
williamr@4: 
williamr@4: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
williamr@4: // serialization/utility.hpp:
williamr@4: // serialization for stl utility templates
williamr@4: 
williamr@4: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
williamr@4: // Use, modification and distribution is subject to the Boost Software
williamr@4: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
williamr@4: // http://www.boost.org/LICENSE_1_0.txt)
williamr@4: 
williamr@4: //  See http://www.boost.org for updates, documentation, and revision history.
williamr@4: 
williamr@4: #include <utility>
williamr@4: #include <boost/config.hpp>
williamr@4: 
williamr@4: #include <boost/type_traits/remove_const.hpp>
williamr@4: #include <boost/serialization/nvp.hpp>
williamr@4: 
williamr@4: namespace boost { 
williamr@4: namespace serialization {
williamr@4: 
williamr@4: // pair
williamr@4: template<class Archive, class F, class S>
williamr@4: inline void serialize(
williamr@4:     Archive & ar,
williamr@4:     std::pair<F, S> & p,
williamr@4:     const unsigned int /* file_version */
williamr@4: ){
williamr@4:     // note: we remove any const-ness on the first argument.  The reason is that 
williamr@4:     // for stl maps, the type saved is pair<const key, T).  We remove
williamr@4:     // the const-ness in order to be able to load it.
williamr@4:     typedef BOOST_DEDUCED_TYPENAME boost::remove_const<F>::type typef;
williamr@4:     ar & boost::serialization::make_nvp("first", const_cast<typef &>(p.first));
williamr@4:     ar & boost::serialization::make_nvp("second", p.second);
williamr@4: }
williamr@4: 
williamr@4: } // serialization
williamr@4: } // namespace boost
williamr@4: 
williamr@4: #endif // BOOST_SERIALIZATION_UTILITY_HPP