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Contents
//
// experimental/impl/use_promise.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2021-2023 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(decay_t<Args>...),
asio::associated_executor_t<Initiation>, Allocator>
{
using handler_type = experimental::detail::promise_handler<
void(decay_t<Args>...),
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
Version data entries
6 entries across 6 versions & 1 rubygems