.. _exhale_struct_structrclcpp_1_1subscription__traits_1_1extract__message__type:

Template Struct extract_message_type
====================================

- Defined in :ref:`file_include_rclcpp_subscription_traits.hpp`


Inheritance Relationships
-------------------------

Derived Types
*************

- ``public rclcpp::subscription_traits::extract_message_type< std::shared_ptr< MessageT > >`` (:ref:`exhale_struct_structrclcpp_1_1subscription__traits_1_1extract__message__type_3_01std_1_1shared__ptr_3_01MessageT_01_4_01_4`)
- ``public rclcpp::subscription_traits::extract_message_type< std::unique_ptr< MessageT, Deleter > >`` (:ref:`exhale_struct_structrclcpp_1_1subscription__traits_1_1extract__message__type_3_01std_1_1unique__ptr_3_01MessageT_00_01Deleter_01_4_01_4`)


Struct Documentation
--------------------


.. doxygenstruct:: rclcpp::subscription_traits::extract_message_type
   :project: rclcpp Doxygen Project
   :members:
   :protected-members:
   :undoc-members: