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- //
- // is_executor.hpp
- // ~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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_IS_EXECUTOR_HPP
- #define ASIO_IS_EXECUTOR_HPP
-
- #if defined(_MSC_VER) && (_MSC_VER >= 1200)
- # pragma once
- #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
- #include "asio/detail/config.hpp"
- #include "asio/detail/is_executor.hpp"
-
- #include "asio/detail/push_options.hpp"
-
- namespace asio {
-
- /// The is_executor trait detects whether a type T meets the Executor type
- /// requirements.
- /**
- * Class template @c is_executor is a UnaryTypeTrait that is derived from @c
- * true_type if the type @c T meets the syntactic requirements for Executor,
- * otherwise @c false_type.
- */
- template <typename T>
- struct is_executor
- #if defined(GENERATING_DOCUMENTATION)
- : integral_constant<bool, automatically_determined>
- #else // defined(GENERATING_DOCUMENTATION)
- : asio::detail::is_executor<T>
- #endif // defined(GENERATING_DOCUMENTATION)
- {
- };
-
- } // namespace asio
-
- #include "asio/detail/pop_options.hpp"
-
- #endif // ASIO_IS_EXECUTOR_HPP
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