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Contents
//
// execution/invocable_archetype.hpp
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2022 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_EXECUTION_INVOCABLE_ARCHETYPE_HPP
#define ASIO_EXECUTION_INVOCABLE_ARCHETYPE_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/type_traits.hpp"
#include "asio/detail/variadic_templates.hpp"
#include "asio/detail/push_options.hpp"
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(ASIO_HAS_VARIADIC_TEMPLATES) \
|| defined(GENERATING_DOCUMENTATION)
/// Function call operator.
template <typename... Args>
void operator()(ASIO_MOVE_ARG(Args)...)
{
}
#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
// || defined(GENERATING_DOCUMENTATION)
void operator()()
{
}
#define ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF(n) \
template <ASIO_VARIADIC_TPARAMS(n)> \
void operator()(ASIO_VARIADIC_UNNAMED_MOVE_PARAMS(n)) \
{ \
} \
/**/
ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF)
#undef ASIO_PRIVATE_INVOCABLE_ARCHETYPE_CALL_DEF
#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
// || defined(GENERATING_DOCUMENTATION)
};
} // namespace execution
} // namespace asio
#include "asio/detail/pop_options.hpp"
#endif // ASIO_EXECUTION_INVOCABLE_ARCHETYPE_HPP
Version data entries
6 entries across 6 versions & 1 rubygems