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  1. class Foo {
  2. 	private:
  3. 		int a;
  4. 		int b;
  5. 	public:
  6. 		Foo(int _a, int _b): a(_a), b(_b){}
  7. 		Foo operator + (const Foo &other) const {
  8. 			return Foo(a + other.a, b + other.b);
  9. 		}
  10. };
  11.  
  12. class Bar {
  13. 	private:
  14. 		int a;
  15. 		int b;
  16. 	public:
  17. 		Bar(int _a, int _b): a(_a), b(_b){}
  18. 		friend Bar operator + (const Bar &l, const Bar &r) {
  19.             return Bar(l.a + r.a, l.b + r.b);
  20.         }
  21. };
  22.  
  23.  
  24. int main() {
  25.  
  26. 	const Foo a(1,2);
  27. 	const Foo b(3,4);
  28. 	const Foo c = a + b;
  29.  
  30.     const Bar d(1,2);
  31.     const Bar e(3,4);
  32.     const Bar f = d + e;
  33.  
  34. 	return 0;
  35. }
  36.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/TuF2Kd
language:
C++14 (clang 8.0)
created:
8 years ago
visibility:
public

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