.. _program_listing_file_include_rclcpp_future_return_code.hpp:

Program Listing for File future_return_code.hpp
===============================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rclcpp_future_return_code.hpp>` (``include/rclcpp/future_return_code.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // Copyright 2014 Open Source Robotics Foundation, Inc.
   //
   // Licensed under the Apache License, Version 2.0 (the "License");
   // you may not use this file except in compliance with the License.
   // You may obtain a copy of the License at
   //
   //     http://www.apache.org/licenses/LICENSE-2.0
   //
   // Unless required by applicable law or agreed to in writing, software
   // distributed under the License is distributed on an "AS IS" BASIS,
   // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   // See the License for the specific language governing permissions and
   // limitations under the License.
   
   #ifndef RCLCPP__FUTURE_RETURN_CODE_HPP_
   #define RCLCPP__FUTURE_RETURN_CODE_HPP_
   
   #include <iostream>
   #include <string>
   
   #include "rclcpp/visibility_control.hpp"
   
   namespace rclcpp
   {
   
   
   enum class FutureReturnCode {SUCCESS, INTERRUPTED, TIMEOUT};
   
   RCLCPP_PUBLIC
   std::ostream &
   operator<<(std::ostream & os, const FutureReturnCode & future_return_code);
   
   RCLCPP_PUBLIC
   std::string
   to_string(const FutureReturnCode & future_return_code);
   
   }  // namespace rclcpp
   
   #endif  // RCLCPP__FUTURE_RETURN_CODE_HPP_