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c# - Is it possible to assign a base class object to a derived class reference with an explicit typecast? - Stack Overflow
What are VPTR and Vtables in c++? How does a compiler work while switching the call of virtual and non virtual functions with the help of VPTR and Vtables? - Quora
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c++ - Why can't a derived class pointer point to a base class object without casting? - Stack Overflow
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