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