66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
|
//
|
||
|
|
// append.hpp
|
||
|
|
// ~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
||
|
|
//
|
||
|
|
// 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_APPEND_HPP
|
||
|
|
#define ASIO_APPEND_HPP
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
# pragma once
|
||
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
|
||
|
|
#include "asio/detail/config.hpp"
|
||
|
|
#include <tuple>
|
||
|
|
#include "asio/detail/type_traits.hpp"
|
||
|
|
|
||
|
|
#include "asio/detail/push_options.hpp"
|
||
|
|
|
||
|
|
namespace asio {
|
||
|
|
|
||
|
|
/// Completion token type used to specify that the completion handler
|
||
|
|
/// arguments should be passed additional values after the results of the
|
||
|
|
/// operation.
|
||
|
|
template <typename CompletionToken, typename... Values>
|
||
|
|
class append_t
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/// Constructor.
|
||
|
|
template <typename T, typename... V>
|
||
|
|
constexpr explicit append_t(T&& completion_token, V&&... values)
|
||
|
|
: token_(static_cast<T&&>(completion_token)),
|
||
|
|
values_(static_cast<V&&>(values)...)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
//private:
|
||
|
|
CompletionToken token_;
|
||
|
|
std::tuple<Values...> values_;
|
||
|
|
};
|
||
|
|
|
||
|
|
/// Completion token type used to specify that the completion handler
|
||
|
|
/// arguments should be passed additional values after the results of the
|
||
|
|
/// operation.
|
||
|
|
template <typename CompletionToken, typename... Values>
|
||
|
|
ASIO_NODISCARD inline constexpr
|
||
|
|
append_t<decay_t<CompletionToken>, decay_t<Values>...>
|
||
|
|
append(CompletionToken&& completion_token, Values&&... values)
|
||
|
|
{
|
||
|
|
return append_t<decay_t<CompletionToken>, decay_t<Values>...>(
|
||
|
|
static_cast<CompletionToken&&>(completion_token),
|
||
|
|
static_cast<Values&&>(values)...);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace asio
|
||
|
|
|
||
|
|
#include "asio/detail/pop_options.hpp"
|
||
|
|
|
||
|
|
#include "asio/impl/append.hpp"
|
||
|
|
|
||
|
|
#endif // ASIO_APPEND_HPP
|