40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
// This file copy from boost/none_t.hpp and boost/none.hpp and boost version:
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// 1.41.0
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// Modified the following points:
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// 1. modify namespace from boost::none to paddle::none
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// 2. modify namespace from boost::none_t to paddle::none_t
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// Copyright (C) 2003, Fernando Luis Cacciola Carballal.
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/optional for documentation.
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//
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// You are welcome to contact the author at:
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// fernando_cacciola@hotmail.com
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//
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#pragma once
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namespace paddle {
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namespace detail {
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struct none_helper {};
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} // namespace detail
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typedef int detail::none_helper::*none_t;
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} // namespace paddle
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// NOTE: Borland users have to include this header outside any precompiled
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// headers
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// (bcc<=5.64 cannot include instance data in a precompiled header)
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// -- * To be verified, now that there's no unnamed namespace
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namespace paddle {
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none_t const none = ((none_t)0);
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} // namespace paddle
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