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45 lines
1 KiB
C++
45 lines
1 KiB
C++
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//
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// detail/functional.hpp
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// ~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2022 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 ASIO_DETAIL_FUNCTIONAL_HPP
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#define ASIO_DETAIL_FUNCTIONAL_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 "asio/detail/config.hpp"
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#include <functional>
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#if !defined(ASIO_HAS_STD_FUNCTION)
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# include <boost/function.hpp>
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#endif // !defined(ASIO_HAS_STD_FUNCTION)
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namespace asio {
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namespace detail {
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#if defined(ASIO_HAS_STD_FUNCTION)
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using std::function;
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#else // defined(ASIO_HAS_STD_FUNCTION)
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using boost::function;
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#endif // defined(ASIO_HAS_STD_FUNCTION)
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} // namespace detail
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#if defined(ASIO_HAS_STD_REFERENCE_WRAPPER)
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using std::ref;
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using std::reference_wrapper;
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#endif // defined(ASIO_HAS_STD_REFERENCE_WRAPPER)
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} // namespace asio
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#endif // ASIO_DETAIL_FUNCTIONAL_HPP
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