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3rdparty/boost_1_81_0/boost/serialization/utility.hpp 1.75 KB
0b6a182c   Hu Chunming   添加无鉴权注册和注销
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  #ifndef  BOOST_SERIALIZATION_UTILITY_HPP
  #define BOOST_SERIALIZATION_UTILITY_HPP
  
  // MS compatible compilers support #pragma once
  #if defined(_MSC_VER)
  # pragma once
  #endif
  
  /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  // serialization/utility.hpp:
  // serialization for stl utility 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 <utility>
  #include <boost/config.hpp>
  
  #include <boost/type_traits/remove_const.hpp>
  #include <boost/serialization/nvp.hpp>
  #include <boost/serialization/is_bitwise_serializable.hpp>
  #include <boost/mpl/and.hpp>
  
  namespace boost {
  namespace serialization {
  
  // pair
  template<class Archive, class F, class S>
  inline void serialize(
      Archive & ar,
      std::pair<F, S> & p,
      const unsigned int /* file_version */
  ){
      // note: we remove any const-ness on the first argument.  The reason is that
      // for stl maps, the type saved is pair<const key, T).  We remove
      // the const-ness in order to be able to load it.
      typedef typename boost::remove_const<F>::type typef;
      ar & boost::serialization::make_nvp("first", const_cast<typef &>(p.first));
      ar & boost::serialization::make_nvp("second", p.second);
  }
  
  /// specialization of is_bitwise_serializable for pairs
  template <class T, class U>
  struct is_bitwise_serializable<std::pair<T,U> >
   : public mpl::and_<is_bitwise_serializable< T >,is_bitwise_serializable<U> >
  {
  };
  
  } // serialization
  } // namespace boost
  
  #endif // BOOST_SERIALIZATION_UTILITY_HPP