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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Thing {
  5. 	Thing(const int a) : a(a) {};
  6. 	int a = -1;
  7. 	void set_a(const int a) { this->a = a; };
  8. };
  9.  
  10. void strange(Thing& t) {
  11. 	t.set_a(-1), 2, t.set_a(3);	// <-- ?
  12. }
  13.  
  14. int main() {
  15. 	Thing t(3);
  16. 	strange(t);
  17. 	std::cout << t.a;
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 4524KB
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https://ideone.com/6mqCOI
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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