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  1. class B;
  2.  
  3. class A
  4. {
  5.     protected:
  6.         int a;
  7.     public:
  8.         operator B*()
  9.         {
  10.             throw("Bad Type Overload");
  11.         }
  12. };
  13. class B:public A
  14. {
  15.  protected:
  16.     int b;
  17. };
  18. int main()
  19. {
  20.     A *a = new A();
  21.     B *b;
  22.     b=(B*)a;
  23.     return 0;
  24. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/maTeIf
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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