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1 | [/ |
2 | Boost.Optional | |
3 | ||
4 | Copyright (c) 2003-2007 Fernando Luis Cacciola Carballal | |
5 | Copyright (c) 2015 Andrzej Krzemienski | |
6 | ||
7 | Distributed under the Boost Software License, Version 1.0. | |
8 | (See accompanying file LICENSE_1_0.txt or copy at | |
9 | http://www.boost.org/LICENSE_1_0.txt) | |
10 | ] | |
11 | ||
12 | [section Header <boost/optional/optional_fwd.hpp>] | |
13 | ||
14 | [section Synopsis] | |
15 | ``` | |
16 | namespace boost { | |
17 | ||
18 | template <class T> class optional ; | |
19 | ||
20 | template <class T> void swap ( optional<T>& , optional<T>& ); | |
21 | ||
22 | template <class T> struct optional_swap_should_use_default_constructor ; | |
23 | ||
24 | } // namespace boost | |
25 | ``` | |
26 | ||
27 | This header only contains declarations. | |
28 | ||
29 | [endsect] | |
30 | ||
31 | ||
32 | [endsect] |