/extlibs/Boost/include/boost/none.hpp

 1// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
 2//
 3// Distributed under the Boost Software License, Version 1.0.
 4// (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#ifndef BOOST_NONE_17SEP2003_HPP
13#define BOOST_NONE_17SEP2003_HPP
14
15#include "boost/none_t.hpp"
16
17// NOTE: Borland users have to include this header outside any precompiled headers
18// (bcc<=5.64 cannot include instance data in a precompiled header)
19//  -- * To be verified, now that there's no unnamed namespace
20
21namespace boost {
22
23none_t const none = ((none_t)0) ;
24
25} // namespace boost
26
27#endif
28