/usr/include/caf/continue_helper.hpp is in libcaf-dev 0.13.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#ifndef CONTINUE_HELPER_HPP
#define CONTINUE_HELPER_HPP
#include <functional>
#include "caf/on.hpp"
#include "caf/behavior.hpp"
#include "caf/message_id.hpp"
#include "caf/message_handler.hpp"
namespace caf {
class local_actor;
/**
* Helper class to enable users to add continuations
* when dealing with synchronous sends.
*/
class continue_helper {
public:
using message_id_wrapper_tag = int;
continue_helper(message_id mid);
/**
* Returns the ID of the expected response message.
*/
message_id get_message_id() const {
return m_mid;
}
private:
message_id m_mid;
};
} // namespace caf
#endif // CONTINUE_HELPER_HPP
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