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1 | #ifndef BOOST_SERIALIZATION_TRACKING_ENUM_HPP |
2 | #define BOOST_SERIALIZATION_TRACKING_ENUM_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 | // tracking_enum.hpp: | |
11 | ||
12 | // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . | |
13 | // Use, modification and distribution is subject to the Boost Software | |
14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
15 | // http://www.boost.org/LICENSE_1_0.txt) | |
16 | ||
17 | // See http://www.boost.org for updates, documentation, and revision history. | |
18 | ||
19 | namespace boost { | |
20 | namespace serialization { | |
21 | ||
22 | // addresses of serialized objects may be tracked to avoid saving/loading | |
23 | // redundant copies. This header defines a class trait that can be used | |
24 | // to specify when objects should be tracked | |
25 | ||
26 | // names for each tracking level | |
27 | enum tracking_type | |
28 | { | |
29 | // never track this type | |
30 | track_never = 0, | |
31 | // track objects of this type if the object is serialized through a | |
32 | // pointer. | |
33 | track_selectively = 1, | |
34 | // always track this type | |
35 | track_always = 2 | |
36 | }; | |
37 | ||
38 | } // namespace serialization | |
39 | } // namespace boost | |
40 | ||
41 | #endif // BOOST_SERIALIZATION_TRACKING_ENUM_HPP |