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Jeff Thompsona28eed82013-08-22 16:21:10 -07001// Copyright (C) 2003, 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//
Jeff Thompson3d613fd2013-10-15 15:39:04 -070012#ifndef NDNBOOST_NONE_T_17SEP2003_HPP
13#define NDNBOOST_NONE_T_17SEP2003_HPP
Jeff Thompsona28eed82013-08-22 16:21:10 -070014
15namespace ndnboost {
16
17namespace detail { struct none_helper{}; }
18
19typedef int detail::none_helper::*none_t ;
20
21} // namespace ndnboost
22
23#endif
24