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 18 19 namespace boost { 20 21 template<class T> class optional ; 22 23 template<class T> void swap ( optional<T>& , optional<T>& ); 24 25 template<class T> struct optional_swap_should_use_default_constructor ; 26 27 } // namespace boost 28 29 #endif 30 31