mirror of
https://github.com/30hours/blah2.git
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122 lines
2.6 KiB
C++
122 lines
2.6 KiB
C++
//
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// experimental/detail/channel_message.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_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_HPP
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#define ASIO_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_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 <tuple>
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#include "asio/detail/type_traits.hpp"
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#include "asio/detail/push_options.hpp"
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namespace asio {
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namespace experimental {
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namespace detail {
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template <typename Signature>
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class channel_message;
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template <typename R>
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class channel_message<R()>
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{
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public:
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channel_message(int)
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{
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}
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template <typename Handler>
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void receive(Handler& handler)
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{
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ASIO_MOVE_OR_LVALUE(Handler)(handler)();
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}
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};
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template <typename R, typename Arg0>
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class channel_message<R(Arg0)>
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{
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public:
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template <typename T0>
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channel_message(int, ASIO_MOVE_ARG(T0) t0)
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: arg0_(ASIO_MOVE_CAST(T0)(t0))
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{
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}
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template <typename Handler>
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void receive(Handler& handler)
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{
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ASIO_MOVE_OR_LVALUE(Handler)(handler)(
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ASIO_MOVE_CAST(arg0_type)(arg0_));
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}
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private:
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typedef typename decay<Arg0>::type arg0_type;
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arg0_type arg0_;
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};
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template <typename R, typename Arg0, typename Arg1>
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class channel_message<R(Arg0, Arg1)>
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{
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public:
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template <typename T0, typename T1>
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channel_message(int, ASIO_MOVE_ARG(T0) t0, ASIO_MOVE_ARG(T1) t1)
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: arg0_(ASIO_MOVE_CAST(T0)(t0)),
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arg1_(ASIO_MOVE_CAST(T1)(t1))
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{
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}
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template <typename Handler>
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void receive(Handler& handler)
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{
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ASIO_MOVE_OR_LVALUE(Handler)(handler)(
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ASIO_MOVE_CAST(arg0_type)(arg0_),
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ASIO_MOVE_CAST(arg1_type)(arg1_));
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}
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private:
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typedef typename decay<Arg0>::type arg0_type;
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arg0_type arg0_;
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typedef typename decay<Arg1>::type arg1_type;
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arg1_type arg1_;
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};
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template <typename R, typename... Args>
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class channel_message<R(Args...)>
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{
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public:
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template <typename... T>
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channel_message(int, ASIO_MOVE_ARG(T)... t)
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: args_(ASIO_MOVE_CAST(T)(t)...)
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{
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}
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template <typename Handler>
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void receive(Handler& h)
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{
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std::apply(ASIO_MOVE_OR_LVALUE(Handler)(h),
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ASIO_MOVE_CAST(args_type)(args_));
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}
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private:
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typedef std::tuple<typename decay<Args>::type...> args_type;
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args_type args_;
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};
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} // namespace detail
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} // namespace experimental
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} // namespace asio
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#include "asio/detail/pop_options.hpp"
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#endif // ASIO_EXPERIMENTAL_DETAIL_CHANNEL_MESSAGE_HPP
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