boost/asio/is_executor.hpp

0001 //
0002 // is_executor.hpp
0003 // ~~~~~~~~~~~~~~~
0004 //
0005 // Copyright (c) 2003-2023 Christopher M. Kohlhoff (chris at kohlhoff dot com)
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See accompanying
0008 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
0009 //
0010
0011 #ifndef BOOST_ASIO_IS_EXECUTOR_HPP
0012 #define BOOST_ASIO_IS_EXECUTOR_HPP
0013
0014 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
0015 # pragma once
0016 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
0017
0018 #include <boost/asio/detail/config.hpp>
0019 #include <boost/asio/detail/is_executor.hpp>
0020
0021 #include <boost/asio/detail/push_options.hpp>
0022
0023 namespace boost {
0024 namespace asio {
0025
0026 /// The is_executor trait detects whether a type T meets the Executor type
0027 /// requirements.
0028 /**
0029  * Class template @c is_executor is a UnaryTypeTrait that is derived from @c
0030  * true_type if the type @c T meets the syntactic requirements for Executor,
0031  * otherwise @c false_type.
0032  */
0033 template <typename T>
0034 struct is_executor
0035 #if defined(GENERATING_DOCUMENTATION)
0036   : integral_constant<bool, automatically_determined>
0037 #else // defined(GENERATING_DOCUMENTATION)
0038   : boost::asio::detail::is_executor<T>
0039 #endif // defined(GENERATING_DOCUMENTATION)
0040 {
0041 };
0042
0043 } // namespace asio
0044 } // namespace boost
0045
0046 #include <boost/asio/detail/pop_options.hpp>
0047
0048 #endif // BOOST_ASIO_IS_EXECUTOR_HPP