mirror of
https://github.com/yuzu-emu/ext-boost.git
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154 lines
4 KiB
C++
154 lines
4 KiB
C++
//
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// placeholders.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2019 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_PLACEHOLDERS_HPP
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#define BOOST_ASIO_PLACEHOLDERS_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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#if defined(BOOST_ASIO_HAS_BOOST_BIND)
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# include <boost/bind/arg.hpp>
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#endif // defined(BOOST_ASIO_HAS_BOOST_BIND)
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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 placeholders {
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#if defined(GENERATING_DOCUMENTATION)
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the error argument of a handler for any of the asynchronous functions.
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unspecified error;
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the bytes_transferred argument of a handler for asynchronous functions such
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/// as boost::asio::basic_stream_socket::async_write_some or
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/// boost::asio::async_write.
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unspecified bytes_transferred;
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the iterator argument of a handler for asynchronous functions such as
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/// boost::asio::async_connect.
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unspecified iterator;
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the results argument of a handler for asynchronous functions such as
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/// boost::asio::basic_resolver::async_resolve.
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unspecified results;
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the results argument of a handler for asynchronous functions such as
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/// boost::asio::async_connect.
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unspecified endpoint;
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/// An argument placeholder, for use with boost::bind(), that corresponds to
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/// the signal_number argument of a handler for asynchronous functions such as
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/// boost::asio::signal_set::async_wait.
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unspecified signal_number;
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#elif defined(BOOST_ASIO_HAS_BOOST_BIND)
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# if defined(__BORLANDC__) || defined(__GNUC__)
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inline boost::arg<1> error()
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{
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return boost::arg<1>();
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}
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inline boost::arg<2> bytes_transferred()
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{
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return boost::arg<2>();
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}
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inline boost::arg<2> iterator()
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{
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return boost::arg<2>();
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}
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inline boost::arg<2> results()
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{
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return boost::arg<2>();
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}
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inline boost::arg<2> endpoint()
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{
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return boost::arg<2>();
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}
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inline boost::arg<2> signal_number()
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{
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return boost::arg<2>();
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}
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# else
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namespace detail
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{
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template <int Number>
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struct placeholder
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{
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static boost::arg<Number>& get()
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{
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static boost::arg<Number> result;
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return result;
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}
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};
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}
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# if defined(BOOST_ASIO_MSVC) && (BOOST_ASIO_MSVC < 1400)
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static boost::arg<1>& error
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= boost::asio::placeholders::detail::placeholder<1>::get();
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static boost::arg<2>& bytes_transferred
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= boost::asio::placeholders::detail::placeholder<2>::get();
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static boost::arg<2>& iterator
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= boost::asio::placeholders::detail::placeholder<2>::get();
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static boost::arg<2>& results
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= boost::asio::placeholders::detail::placeholder<2>::get();
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static boost::arg<2>& endpoint
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= boost::asio::placeholders::detail::placeholder<2>::get();
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static boost::arg<2>& signal_number
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= boost::asio::placeholders::detail::placeholder<2>::get();
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# else
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namespace
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{
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boost::arg<1>& error
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= boost::asio::placeholders::detail::placeholder<1>::get();
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boost::arg<2>& bytes_transferred
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= boost::asio::placeholders::detail::placeholder<2>::get();
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boost::arg<2>& iterator
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= boost::asio::placeholders::detail::placeholder<2>::get();
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boost::arg<2>& results
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= boost::asio::placeholders::detail::placeholder<2>::get();
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boost::arg<2>& endpoint
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= boost::asio::placeholders::detail::placeholder<2>::get();
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boost::arg<2>& signal_number
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= boost::asio::placeholders::detail::placeholder<2>::get();
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} // namespace
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# endif
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# endif
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#endif
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} // namespace placeholders
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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_PLACEHOLDERS_HPP
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