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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct A {
  5. 	virtual void foo() {
  6. 		cout << "Hello from A" << endl;
  7. 	}
  8. };
  9.  
  10. struct B: A {
  11. 	void foo() {
  12. 		cout << "Hello from B" << endl;
  13. 	}
  14. };
  15.  
  16. int main() {
  17. 	A* b = new B();
  18. 	b->foo();
  19. 	((B*)b)->foo();
  20.  
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5316KB
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stdin
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Standard input is empty
stdout
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Hello from B
Hello from B
https://ideone.com/o01d1j
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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