1 // Copyright (C) 2003, 2008 Fernando Luis Cacciola Carballal.
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)
7 // See http://www.boost.org/libs/optional for documentation.
9 // You are welcome to contact the author at:
10 // fernando_cacciola@hotmail.com
13 // 10 May 2008 (added swap related forward declaration) Niels Dekker
15 #ifndef BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP
16 #define BOOST_OPTIONAL_OPTIONAL_FWD_FLC_19NOV2002_HPP
20 template<class T> class optional ;
22 template<class T> void swap ( optional<T>& , optional<T>& ) ;
24 template<class T> struct optional_swap_should_use_default_constructor ;