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
19namespace boost {
20namespace 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
27enum 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
42

source code of boost/boost/serialization/tracking_enum.hpp