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55 lines
1.3 KiB
55 lines
1.3 KiB
// |
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// detail/noncopyable.hpp |
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// ~~~~~~~~~~~~~~~~~~~~~~ |
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// |
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// Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
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// |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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// |
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#ifndef BOOST_ASIO_DETAIL_NONCOPYABLE_HPP |
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#define BOOST_ASIO_DETAIL_NONCOPYABLE_HPP |
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#if defined(_MSC_VER) && (_MSC_VER >= 1200) |
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# pragma once |
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
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#include <boost/asio/detail/config.hpp> |
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#include <boost/noncopyable.hpp> |
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#include <boost/detail/workaround.hpp> |
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#include <boost/asio/detail/push_options.hpp> |
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namespace boost { |
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namespace asio { |
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namespace detail { |
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
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// Redefine the noncopyable class for Borland C++ since that compiler does not |
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// apply the empty base optimisation unless the base class contains a dummy |
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// char data member. |
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class noncopyable |
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{ |
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protected: |
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noncopyable() {} |
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~noncopyable() {} |
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private: |
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noncopyable(const noncopyable&); |
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const noncopyable& operator=(const noncopyable&); |
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char dummy_; |
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}; |
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#else |
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using boost::noncopyable; |
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#endif |
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} // namespace detail |
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using boost::asio::detail::noncopyable; |
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} // namespace asio |
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} // namespace boost |
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#include <boost/asio/detail/pop_options.hpp> |
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#endif // BOOST_ASIO_DETAIL_NONCOPYABLE_HPP
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