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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Example {
  5.   public:
  6. 	int val;
  7. 	Example(int val) {
  8. 		this->val = val;
  9. 	}
  10. };
  11.  
  12. void swap(Example & a, Example & b) {
  13. 	auto temp = a;
  14. 	a = b;
  15. 	b = temp;
  16. }
  17.  
  18. int main() {
  19. 	auto a = Example(1);
  20. 	auto b = Example(2);
  21.  
  22. 	swap(a, b);
  23.  
  24. 	cout << a.val << " " << b.val;
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 3412KB
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https://ideone.com/b3hUTE
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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