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  1. #include <iostream>
  2.  
  3. class myclass {
  4. private:
  5.   int _value;
  6. public:
  7.   myclass& operator=(const int rvalue) {_value = rvalue;}
  8.   bool     operator<(int rvalue)       {return _value < rvalue;}
  9.   myclass& operator++(int)             {_value++;}
  10.   myclass& operator+=(const myclass&)  {}
  11.   myclass& operator-=(const myclass&)  {}
  12.   myclass& operator*=(const myclass&)  {}
  13.   int      operator()()                {return _value;}
  14. };
  15.  
  16. int main() {
  17.  
  18.   #define int myclass
  19.   int i, n;
  20.   for(n = 0; n < 3; n++)
  21.   {
  22.     switch(n()){
  23.          case 0:
  24.                 n+=i;
  25.          case 1:
  26.                 n-=i;
  27.          case 2:
  28.                 n*=i;
  29.     }
  30.     std::cout << n() << std::endl;
  31.   }
  32.  
  33.   return 0;
  34. }
Success #stdin #stdout 0s 2896KB
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https://ideone.com/sK7dJc
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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