.. _exhale_struct_structCatch_1_1Clara_1_1Detail_1_1is__unary__function_3_01F_00_01Catch_1_1Detail_1_1void__t_3_0182394c29954fc08234dda1e3f0b3edaa:

Template Struct is_unary_function< F, Catch::Detail::void_t< decltype(std::declval< F >, ()(fake_arg())) > >
============================================================================================================

- Defined in :ref:`file_include_catch_amalgamated.hpp`


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

Base Type
*********

- ``public std::true_type``


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


.. doxygenstruct:: Catch::Clara::Detail::is_unary_function< F, Catch::Detail::void_t< decltype(std::declval< F >()(fake_arg())) > >
   :project: catch_ros2 Doxygen Project
   :members:
   :protected-members:
   :undoc-members: