| author | sl |
| Tue, 10 Jun 2014 14:32:02 +0200 | |
| changeset 1 | 260cb5ec6c19 |
| permissions | -rw-r--r-- |
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// Copyright (C) 2003, Fernando Luis Cacciola Carballal. |
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// Copyright (C) 2007, Anthony Williams |
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// Copyright (C) 2007, Steven Watanabe, Richard Smith |
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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/lib/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@gmail.com |
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// |
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#ifndef BOOST_NONE_17SEP2003_HPP |
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#define BOOST_NONE_17SEP2003_HPP |
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|
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namespace boost |
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{
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namespace detail |
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{
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class none_helper; |
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} |
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|
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inline void none(detail::none_helper); |
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|
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namespace detail |
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{
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class none_helper |
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{
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private: |
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|
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none_helper( none_helper const& ) {}
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|
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friend void boost::none(none_helper); |
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}; |
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} |
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typedef void (*none_t)(detail::none_helper); |
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inline void none(detail::none_helper) {}
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} |
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#endif |