.. _program_listing_file_include_rcl_type_hash.h:

Program Listing for File type_hash.h
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_rcl_type_hash.h>` (``include/rcl/type_hash.h``)

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

.. code-block:: cpp

   // Copyright 2023 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 RCL__TYPE_HASH_H_
   #define RCL__TYPE_HASH_H_
   
   #ifdef __cplusplus
   extern "C"
   {
   #endif
   
   #include "rcl/types.h"
   #include "rcl/visibility_control.h"
   #include "rcutils/sha256.h"
   #include "rosidl_runtime_c/type_hash.h"
   #include "type_description_interfaces/msg/type_description.h"
   
   
   RCL_PUBLIC
   rcl_ret_t
   rcl_type_description_to_hashable_json(
     const type_description_interfaces__msg__TypeDescription * type_description,
     rcutils_char_array_t * output_repr);
   
   
   RCL_PUBLIC
   rcl_ret_t
   rcl_calculate_type_hash(
     const type_description_interfaces__msg__TypeDescription * type_description,
     rosidl_type_hash_t * out_type_hash);
   
   #ifdef __cplusplus
   }
   #endif
   
   #endif  // RCL__TYPE_HASH_H_