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1//
2// is_executor.hpp
3// ~~~~~~~~~~~~~~~
4//
f67539c2 5// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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6//
7// Distributed under the Boost Software License, Version 1.0. (See accompanying
8// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
9//
10
11#ifndef BOOST_ASIO_IS_EXECUTOR_HPP
12#define BOOST_ASIO_IS_EXECUTOR_HPP
13
14#if defined(_MSC_VER) && (_MSC_VER >= 1200)
15# pragma once
16#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
17
18#include <boost/asio/detail/config.hpp>
19#include <boost/asio/detail/is_executor.hpp>
20
21#include <boost/asio/detail/push_options.hpp>
22
23namespace boost {
24namespace asio {
25
26/// The is_executor trait detects whether a type T meets the Executor type
27/// requirements.
28/**
29 * Class template @c is_executor is a UnaryTypeTrait that is derived from @c
30 * true_type if the type @c T meets the syntactic requirements for Executor,
31 * otherwise @c false_type.
32 */
33template <typename T>
34struct is_executor
35#if defined(GENERATING_DOCUMENTATION)
36 : integral_constant<bool, automatically_determined>
37#else // defined(GENERATING_DOCUMENTATION)
38 : boost::asio::detail::is_executor<T>
39#endif // defined(GENERATING_DOCUMENTATION)
40{
41};
42
43} // namespace asio
44} // namespace boost
45
46#include <boost/asio/detail/pop_options.hpp>
47
48#endif // BOOST_ASIO_IS_EXECUTOR_HPP