104         return GetAddress();
109         return GetAddress();
114         return GetAddress() == nullptr;  in IsEmpty()
119         return IsEmpty() || GetAddress()->IsHole();  in IsNull()
124     inline T *GetAddress() const  in GetAddress()  function
206         return GetAddress();
211         return GetAddress();
216         return GetAddress() == nullptr;  in IsEmpty()
231     inline T *GetAddress() const  in GetAddress()  function
301         return GetAddress();
306         return GetAddress();
311         return GetAddress() == nullptr;  in IsEmpty()
323     inline T *GetAddress() const  in GetAddress()  function