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74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
/*
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/~` _ _ _|_. _ _ |_ | _
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\_,(_)| | | || ||_|(_||_)|(/_
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https://github.com/Naios/continuable
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v4.0.0
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Copyright(c) 2015 - 2019 Denis Blank <denis.blank at outlook dot com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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**/
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#ifndef CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED
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#define CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED
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#include <continuable/continuable-base.hpp>
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#include <continuable/detail/support/asio.hpp>
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#include <continuable/detail/utility/traits.hpp>
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CTI_DETAIL_ASIO_NAMESPACE_BEGIN
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// Class used to specify an asynchronous operation should return a continuable.
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struct use_cti_t {};
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// Special value for instance of `use_cti_t`.
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constexpr use_cti_t use_cti{};
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template <typename Signature>
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class async_result<use_cti_t, Signature> {
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public:
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template <typename Initiation, typename... Args>
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static auto initiate(Initiation initiation, use_cti_t, Args... args) {
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return cti::make_continuable<
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cti::detail::asio::continuable_result_t<Signature>>(
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[initiation = std::move(initiation),
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init_args =
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std::make_tuple(std::move(args)...)](auto&& promise) mutable {
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cti::detail::traits::unpack(
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[initiation = std::move(initiation),
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handler = cti::detail::asio::promise_resolver_handler(
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std::forward<decltype(promise)>(promise))](
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auto&&... args) mutable {
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std::move(initiation)(std::move(handler),
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std::forward<decltype(args)>(args)...);
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},
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std::move(init_args));
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});
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}
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};
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CTI_DETAIL_ASIO_NAMESPACE_END
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#undef CTI_DETAIL_ASIO_NAMESPACE_BEGIN
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#undef CTI_DETAIL_ASIO_NAMESPACE_END
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#endif // CONTINUABLE_SUPPORT_ASIO_HPP_INCLUDED
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