import quincy beta 17.1.0

[ceph.git] / ceph / src / boost / boost / asio / execution / invocable_archetype.hpp

diff --git a/ceph/src/boost/boost/asio/execution/invocable_archetype.hpp b/ceph/src/boost/boost/asio/execution/invocable_archetype.hpp
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+//
+// execution/invocable_archetype.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2020 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_EXECUTION_INVOCABLE_ARCHETYPE_HPP
+#define BOOST_ASIO_EXECUTION_INVOCABLE_ARCHETYPE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+#include <boost/asio/detail/type_traits.hpp>
+#include <boost/asio/detail/variadic_templates.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace execution {
+
+/// An archetypal function object used for determining adherence to the
+/// execution::executor concept.
+struct invocable_archetype
+{
+#if !defined(GENERATING_DOCUMENTATION)
+  // Necessary for compatibility with a C++03 implementation of result_of.
+  typedef void result_type;
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+#if defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES) \
+  || defined(GENERATING_DOCUMENTATION)
+
+  /// Function call operator.
+  template <typename... Args>
+  void operator()(BOOST_ASIO_MOVE_ARG(Args)...)
+  {
+  }
+
+#else // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+      //   || defined(GENERATING_DOCUMENTATION)
+
+  void operator()()
+  {
+  }
+
+#define BOOST_ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF(n) \
+  template <BOOST_ASIO_VARIADIC_TPARAMS(n)> \
+  void operator()(BOOST_ASIO_VARIADIC_UNNAMED_MOVE_PARAMS(n)) \
+  { \
+  } \
+  /**/
+  BOOST_ASIO_VARIADIC_GENERATE(BOOST_ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF)
+#undef BOOST_ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF
+
+#endif // defined(BOOST_ASIO_HAS_VARIADIC_TEMPLATES)
+       //   || defined(GENERATING_DOCUMENTATION)
+};
+
+} // namespace execution
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_EXECUTION_INVOCABLE_ARCHETYPE_HPP
+