71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
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//
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// experimental/channel.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2023 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_CHANNEL_HPP
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#define ASIO_EXPERIMENTAL_CHANNEL_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 "asio/any_io_executor.hpp"
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#include "asio/detail/type_traits.hpp"
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#include "asio/execution/executor.hpp"
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#include "asio/is_executor.hpp"
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#include "asio/experimental/basic_channel.hpp"
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#include "asio/experimental/channel_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 ExecutorOrSignature, typename = void>
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struct channel_type
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{
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template <typename... Signatures>
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struct inner
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{
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typedef basic_channel<any_io_executor, channel_traits<>,
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ExecutorOrSignature, Signatures...> type;
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};
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};
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template <typename ExecutorOrSignature>
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struct channel_type<ExecutorOrSignature,
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typename enable_if<
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is_executor<ExecutorOrSignature>::value
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|| execution::is_executor<ExecutorOrSignature>::value
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>::type>
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{
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template <typename... Signatures>
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struct inner
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{
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typedef basic_channel<ExecutorOrSignature,
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channel_traits<>, Signatures...> type;
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};
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};
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} // namespace detail
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/// Template type alias for common use of channel.
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template <typename ExecutorOrSignature, typename... Signatures>
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using channel = typename detail::channel_type<
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ExecutorOrSignature>::template inner<Signatures...>::type;
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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_CHANNEL_HPP
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