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►Full C++ Series Playlist: https://www.youtube.com/playlist?list=PLvv0ScY6vfd8j-tlhYVPYgiIyXduu6m-L ►Find full courses on: https://courses.mshah.io/ ►Join as Member to Support the channel: https://www.youtube.com/channel/UCA64pZbN5Mz5NxC3SO4qpDg/join ►Lesson Description: In this lesson I show you what exactly the vtable is in C++. The vtable is the data structure which holds information about which member functions to call for an instance of class when the presence of 'virtual' exists in inheritance. Understanding a little bit about this data structure, will also give you some intuition about a small performance cost (i.e. storage for the pointer, and following a pointer to call a function) about virtual functions as well. ►YouTube Channel: https://www.youtube.com/c/MikeShah ►Please like and subscribe to help the channel!
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