ceph/src/boost/libs/serialization/include/boost/serialization/is_bitwise_serializable.hpp

   1 // (C) Copyright 2007 Matthias Troyer
   2
   3 // Use, modification and distribution is subject to the Boost Software
   4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 //  Authors: Matthias Troyer
   8
   9 /** @file is_bitwise_serializable.hpp
  10  *
  11  *  This header provides a traits class for determining whether a class
  12  * can be serialized (in a non-portable way) just by copying the bits.
  13  */
  14
  15
  16 #ifndef BOOST_SERIALIZATION_IS_BITWISE_SERIALIZABLE_HPP
  17 #define BOOST_SERIALIZATION_IS_BITWISE_SERIALIZABLE_HPP
  18
  19 // MS compatible compilers support #pragma once
  20 #if defined(_MSC_VER)
  21 # pragma once
  22 #endif
  23
  24 #include <boost/mpl/bool_fwd.hpp>
  25 #include <boost/type_traits/is_arithmetic.hpp>
  26
  27 namespace boost {
  28 namespace serialization {
  29     template<class T>
  30     struct is_bitwise_serializable
  31      : public is_arithmetic< T >
  32     {};
  33 } // namespace serialization
  34 } // namespace boost
  35
  36
  37 // define a macro to make explicit designation of this more transparent
  38 #define BOOST_IS_BITWISE_SERIALIZABLE(T)              \
  39 namespace boost {                                     \
  40 namespace serialization {                             \
  41 template<>                                            \
  42 struct is_bitwise_serializable< T > : mpl::true_ {};  \
  43 }}                                                    \
  44 /**/
  45
  46 #endif //BOOST_SERIALIZATION_IS_BITWISE_SERIALIZABLE_HPP