ceph/src/boost/boost/asio/is_executor.hpp

   1 //
   2 // is_executor.hpp
   3 // ~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   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
  23 namespace boost {
  24 namespace 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  */
  33 template <typename T>
  34 struct 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