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  1. #include <iostream>
  2.  
  3. class Test {
  4. public:
  5. 	Test() {};
  6. 	Test(int V):N(V) {};
  7.  
  8.  
  9. 	static void F0() {
  10. 		//std::cout << this->N << std::endl;// not have this.
  11. 	}
  12.  
  13. 	static void F1(Test& T) {
  14. 		T.N = 1;
  15. 	}
  16.  
  17. 	friend std::ostream& operator <<(std::ostream&os ,Test& T) {
  18. 		os << T.N;
  19. 		return os;
  20. 	}
  21.  
  22. protected:
  23. 	int N;
  24. };
  25.  
  26.  
  27. int main() {
  28. 	Test T(10);
  29.  
  30. 	T.F1(T);
  31.  
  32. 	std::cout << T << std::endl;
  33. 	return 0;
  34. }
Success #stdin #stdout 0s 15240KB
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https://ideone.com/qDEfdG
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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