what's polymorphic type in C++?

Question

I found in one article saying \"static_cast is used for non-polymorphic type casting and dynamic_cast is used for polymorphic type casting\". I understand that int and double ar

Answer 1

Well, the answer is simple. A class having atleast one virtual function is called a polymorphic type. This can be only a destructor also.

So the following is a 'polymorphic type'.

struct Test {
  virtual ~Test();
};