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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Pierwsza {
  5.     public:
  6. 		void (Pierwsza::*callback)();
  7. 		void wykonajCallback(){ (this->*callback)(); }
  8. };
  9.  
  10. class Druga : public Pierwsza {
  11.     public:
  12. 		Druga(){
  13. 			callback = static_cast<void (Pierwsza::*)()>(&Druga::b_onCallback);	
  14. 		}
  15. 		void b_onCallback(){ cout << "Test" << endl; }
  16. };
  17.  
  18. int main(){
  19. 	Pierwsza *obj = new Druga();
  20. 	obj->wykonajCallback();
  21. 	delete obj;
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 3272KB
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Standard input is empty
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Test
https://ideone.com/8ccE5D
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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