.. _exhale_struct_structmpark_1_1lib_1_1cpp17_1_1detail_1_1is__invocable__r:

Template Struct is_invocable_r
==============================

- Defined in :ref:`file__tmp_ws_src_osrf_testing_tools_cpp_osrf_testing_tools_cpp_include_osrf_testing_tools_cpp_vendor_mpark_variant_variant.hpp`


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

Base Type
*********

- ``public std::false_type``


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


.. doxygenstruct:: mpark::lib::cpp17::mpark::lib::detail::mpark::lib::cpp17::detail::is_invocable_r
   :members:
   :protected-members:
   :undoc-members: