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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Foo {
  5. 	int x, y;
  6.  
  7. 	friend ostream& operator<<(ostream& out, const Foo& f) {
  8. 		return out << "x: " << f.x << "\ty: " << f.y;
  9. 	}
  10.  
  11. 	friend istream& operator>>(istream& in, Foo& f) {
  12. 		return in >> f.x >> f.y;
  13. 	}
  14.  
  15. public:
  16. 	Foo(int x=0, int y=0): x(x), y(y) {}
  17. };
  18.  
  19. int main() {
  20. 	Foo f;
  21. 	cin >> f;
  22. 	cout << f << endl;
  23.  
  24. 	int x, y;
  25. 	cin >> x >> y;
  26. 	Foo f2(x, y);
  27. 	cout << f2 << endl;
  28. 	return 0;
  29. }
Success #stdin #stdout 0s 3344KB
comments (?)
stdin
copy 
10 20
20 10
stdout
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x: 10	y: 20
x: 20	y: 10
https://ideone.com/XT1cOt
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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