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  1. #include <iostream>
  2. #include <stdexcept>
  3. using namespace std;
  4.  
  5. class A
  6. {
  7.   public:
  8.     A* operator -> ()
  9.     {
  10.       if ( m_value < 0 )
  11.         throw std::out_of_range("must be positive");
  12.  
  13.       return this;
  14.     }
  15.     int Get()
  16.     {
  17.       return m_value;
  18.     }
  19.   private:
  20.     int m_value = 1;
  21. };
  22.  
  23.  
  24. int main() {
  25.  
  26. 	A a;
  27.  
  28. 	int n1 = a->Get();
  29. 	int n2 = a.Get();
  30.  
  31. 	cout << n1 << ", " << n2 << endl;
  32.  
  33. 	// your code goes here
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 15224KB
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1, 1
https://ideone.com/vEDJoz
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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