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  1. #include <iostream>
  2. #include <vector>
  3. #include <memory>
  4.  
  5. struct foo {
  6. 	virtual void print() =0;
  7. };
  8.  
  9. struct goo : public foo {
  10. 	int a;
  11. 	void print() { std::cout << "goo"; }
  12. };
  13.  
  14. struct moo : public foo {
  15. 	int a,b;
  16. 	void print() { std::cout << "moo"; }
  17. };
  18. typedef std::unique_ptr<foo> foo_ptr;
  19. int main() {
  20. 	std::vector<std::unique_ptr<foo> > foos;
  21. 	foos.push_back(foo_ptr(new moo));
  22. 	foos.push_back(foo_ptr(new goo));
  23. 	foos.push_back(foo_ptr(new goo));
  24. 	foos.push_back(foo_ptr(new moo));
  25.  
  26. 	for(auto it = foos.begin(); it!=foos.end(); ++it) {
  27. 		it->get()->print();
  28. 	}
  29. 	return 0;
  30. }
Success #stdin #stdout 0s 3432KB
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moogoogoomoo
https://ideone.com/ym4SY2
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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