std::_Function_base - Base class of all polymorphic function object wrappers.

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                                                    libstdc++                          std::_Function_base(3cxx)

       Base class of all polymorphic function object wrappers.

       std::_Function_base - Base class of all polymorphic function object wrappers.

       #include <functional>

       Inherited by std::function<_Res(_ArgTypes...)> [private].

   PublicTypesusing_Manager_type = bool(*)(_Any_data &, const _Any_data &, _Manager_operation)

   PublicMemberFunctions
       bool _M_empty () const

   PublicAttributes
       _Any_data _M_functor_Manager_type_M_managerStaticPublicAttributesstatic const size_t _M_max_alignstatic const size_t _M_max_size