// // impl/detached.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 BOOST_ASIO_IMPL_DETACHED_HPP #define BOOST_ASIO_IMPL_DETACHED_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include #include #include namespace boost { namespace asio { namespace detail { // Class to adapt a detached_t as a completion handler. class detached_handler { public: typedef void result_type; detached_handler(detached_t) { } template void operator()(Args...) { } }; } // namespace detail #if !defined(GENERATING_DOCUMENTATION) template struct async_result { typedef boost::asio::detail::detached_handler completion_handler_type; typedef void return_type; explicit async_result(completion_handler_type&) { } void get() { } template static return_type initiate(Initiation&& initiation, RawCompletionToken&&, Args&&... args) { static_cast(initiation)( detail::detached_handler(detached_t()), static_cast(args)...); } }; #endif // !defined(GENERATING_DOCUMENTATION) } // namespace asio } // namespace boost #include #endif // BOOST_ASIO_IMPL_DETACHED_HPP