std::_Reference_wrapper_base< _Tp >

       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++                                        Tue Jul 19 2022       std::_Reference_wrapper_base<_Tp>(3cxx)

template<typename_Tp>
       struct std::_Reference_wrapper_base< _Tp >" Derives from unary_function or binary_function when it can.
       Specializations handle all of the easy cases. The primary template determines what to do with a class
       type, which may derive from both unary_function and binary_function.

       Definition at line 214 of file refwrap.h.

       std::_Reference_wrapper_base< _Tp >

       Inherits std::_Weak_result_type<_Tp>, std::_Refwrap_base_arg1< _Tp, typename >, and
       std::_Refwrap_base_arg2< _Tp, typename >.

       Inherited by std::_Reference_wrapper_base_memfun< remove_cv< _Tp >::type >, and
       std::_Reference_wrapper_base_memfun< _Tp, bool >.