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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A
  5. {
  6. public:
  7. 	A() { cout << "consta" << endl; }
  8. 	A(const A& aa) { cout << "copyconsta" << endl; }
  9. 	virtual void foo() { cout << "A" << endl; }
  10. };
  11.  
  12. class B : public A
  13. {
  14. public:
  15. 	B() { cout << "constb" << endl; }
  16. 	B(const B& bb) { cout << "copyconstb" << endl; }
  17. 	virtual void foo() { cout << "B" << endl; }
  18. };
  19.  
  20. int main() {
  21. 	A a;
  22. 	B b;
  23. 	a.foo();
  24. 	b.foo();
  25.  
  26. 	((A)b).foo();
  27.  
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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consta
consta
constb
A
B
copyconsta
A
https://ideone.com/MRJNa4
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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