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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. struct A {virtual void foo(){}};
  6. struct B {virtual void foo(){}};
  7.  
  8. int main() {
  9.     A *a = new A();	
  10.     B *b = new B();
  11.     A *aPtr1 = dynamic_cast<A*>(b);
  12.     cout << (aPtr1 == 0) << endl;
  13.     A *aPtr2 = dynamic_cast<A*>(a);
  14.     cout << (aPtr2 == 0) << endl;
  15.     delete a;
  16.     delete b;
  17. 	return 0;
  18. }
Success #stdin #stdout 0.01s 2812KB
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https://ideone.com/U823Sd
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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