/usr/include/boost/none_t.hpp is in libboost1.49-dev 1.49.0-3.2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | // Copyright (C) 2003, Fernando Luis Cacciola Carballal.
//
// Use, modification, and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/optional for documentation.
//
// You are welcome to contact the author at:
// fernando_cacciola@hotmail.com
//
#ifndef BOOST_NONE_T_17SEP2003_HPP
#define BOOST_NONE_T_17SEP2003_HPP
namespace boost {
namespace detail { struct none_helper{}; }
typedef int detail::none_helper::*none_t ;
} // namespace boost
#endif
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