mirror of
https://github.com/30hours/blah2.git
synced 2024-11-08 12:25:42 +00:00
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
//
|
|
// experimental/impl/use_promise.hpp
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2021-2022 Klemens D. Morgenstern
|
|
// (klemens dot morgenstern at gmx dot net)
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
|
|
#ifndef ASIO_EXPERIMENTAL_IMPL_USE_PROMISE_HPP
|
|
#define ASIO_EXPERIMENTAL_IMPL_USE_PROMISE_HPP
|
|
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
# pragma once
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
|
|
|
#include "asio/detail/config.hpp"
|
|
#include <memory>
|
|
#include "asio/async_result.hpp"
|
|
|
|
#include "asio/detail/push_options.hpp"
|
|
|
|
namespace asio {
|
|
namespace experimental {
|
|
|
|
template <typename Allocator>
|
|
struct use_promise_t;
|
|
|
|
namespace detail {
|
|
|
|
template<typename Signature, typename Executor, typename Allocator>
|
|
struct promise_handler;
|
|
|
|
} // namespace detail
|
|
} // namespace experimental
|
|
|
|
#if !defined(GENERATING_DOCUMENTATION)
|
|
|
|
template <typename Allocator, typename R, typename... Args>
|
|
struct async_result<experimental::use_promise_t<Allocator>, R(Args...)>
|
|
{
|
|
template <typename Initiation, typename... InitArgs>
|
|
static auto initiate(Initiation initiation,
|
|
experimental::use_promise_t<Allocator> up, InitArgs... args)
|
|
-> experimental::promise<void(typename decay<Args>::type...),
|
|
asio::associated_executor_t<Initiation>, Allocator>
|
|
{
|
|
using handler_type = experimental::detail::promise_handler<
|
|
void(typename decay<Args>::type...),
|
|
asio::associated_executor_t<Initiation>, Allocator>;
|
|
|
|
handler_type ht{up.get_allocator(), get_associated_executor(initiation)};
|
|
std::move(initiation)(ht, std::move(args)...);
|
|
return ht.make_promise();
|
|
}
|
|
};
|
|
|
|
#endif // !defined(GENERATING_DOCUMENTATION)
|
|
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_EXPERIMENTAL_IMPL_USE_PROMISE_HPP
|