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
47