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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class I
  6. {
  7.     int i;
  8. public:
  9.     I(int i = 0):i(i){}
  10.     operator int() const { return i; }
  11. };
  12.  
  13. I operator >> (const I& a, I& b)
  14. {
  15.     I c = b;
  16.     b = a;
  17.     return c;
  18. }
  19.  
  20. int main(int argc, const char * argv[])
  21. {
  22.     I a(3), b(4), c(5);
  23.     a >> b >> c;
  24.     cout << a << "  " << b << "  " << c << endl;
  25. }
  26.  
Success #stdin #stdout 0s 4388KB
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Standard input is empty
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3  3  4
https://ideone.com/Ca5S7p
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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