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1 | #ifndef BOOST_SERIALIZATION_UTILITY_HPP |
2 | #define BOOST_SERIALIZATION_UTILITY_HPP | |
3 | ||
4 | // MS compatible compilers support #pragma once | |
5 | #if defined(_MSC_VER) | |
6 | # pragma once | |
7 | #endif | |
8 | ||
9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
10 | // serialization/utility.hpp: | |
11 | // serialization for stl utility templates | |
12 | ||
13 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
14 | // Use, modification and distribution is subject to the Boost Software | |
15 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
16 | // http://www.boost.org/LICENSE_1_0.txt) | |
17 | ||
18 | // See http://www.boost.org for updates, documentation, and revision history. | |
19 | ||
20 | #include <utility> | |
21 | #include <boost/config.hpp> | |
22 | ||
23 | #include <boost/type_traits/remove_const.hpp> | |
24 | #include <boost/serialization/nvp.hpp> | |
25 | #include <boost/serialization/is_bitwise_serializable.hpp> | |
26 | #include <boost/mpl/and.hpp> | |
27 | ||
28 | namespace boost { | |
29 | namespace serialization { | |
30 | ||
31 | // pair | |
32 | template<class Archive, class F, class S> | |
33 | inline void serialize( | |
34 | Archive & ar, | |
35 | std::pair<F, S> & p, | |
36 | const unsigned int /* file_version */ | |
37 | ){ | |
38 | // note: we remove any const-ness on the first argument. The reason is that | |
39 | // for stl maps, the type saved is pair<const key, T). We remove | |
40 | // the const-ness in order to be able to load it. | |
41 | typedef typename boost::remove_const<F>::type typef; | |
42 | ar & boost::serialization::make_nvp("first", const_cast<typef &>(p.first)); | |
43 | ar & boost::serialization::make_nvp("second", p.second); | |
44 | } | |
45 | ||
46 | /// specialization of is_bitwise_serializable for pairs | |
47 | template <class T, class U> | |
48 | struct is_bitwise_serializable<std::pair<T,U> > | |
49 | : public mpl::and_<is_bitwise_serializable< T >,is_bitwise_serializable<U> > | |
50 | { | |
51 | }; | |
52 | ||
53 | } // serialization | |
54 | } // namespace boost | |
55 | ||
56 | #endif // BOOST_SERIALIZATION_UTILITY_HPP |