| [/ |
| Boost.Optional |
| |
| Copyright (c) 2003-2007 Fernando Luis Cacciola Carballal |
| Copyright (c) 2015 Andrzej Krzemienski |
| |
| Distributed under the Boost Software License, Version 1.0. |
| (See accompanying file LICENSE_1_0.txt or copy at |
| http://www.boost.org/LICENSE_1_0.txt) |
| ] |
| |
| [section Header <boost/optional/optional_fwd.hpp>] |
| |
| [section Synopsis] |
| ``` |
| namespace boost { |
| |
| template <class T> class optional ; |
| |
| template <class T> void swap ( optional<T>& , optional<T>& ); |
| |
| template <class T> struct optional_swap_should_use_default_constructor ; |
| |
| } // namespace boost |
| ``` |
| |
| This header only contains declarations. |
| |
| [endsect] |
| |
| |
| [endsect] |
