1// Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal. 2// 3// Use, modification, and distribution is subject to the Boost Software 4// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5// http://www.boost.org/LICENSE_1_0.txt) 6// 7// See http://www.boost.org/libs/optional for documentation. 8// 9// You are welcome to contact the author at: 10// fernando_cacciola@hotmail.com 11// 12// Revisions: 13// 10 May 2008 (added swap related forward declaration) Niels Dekker 14// 15#ifndef BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP 16#define BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP 17 18namespace boost { 19 20template<class T> class optional ; 21 22template<class T> void swap ( optional<T>& , optional<T>& ) ; 23 24template<class T> struct optional_swap_should_use_default_constructor ; 25 26} // namespace boost 27 28#endif 29 30