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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class A
  5. {
  6. public:
  7. 	A(int v) : m_v(v) {}
  8. 	int getvalue() const { return m_v; }
  9. 	void setvalue(const int v) { m_v = v;}
  10. private:
  11. 	int m_v;
  12. };
  13.  
  14. A& operator+(A& a, const int v)
  15. {
  16. 	a.setvalue(a.getvalue() - v);
  17. 	return a;
  18. }
  19.  
  20. int main(void) {
  21. 	A a(10);
  22. 	a = a + 8;
  23.  
  24. 	cout << a.getvalue() << endl;
  25. 	// your code goes here
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 3456KB
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2
https://ideone.com/VcyGLn
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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