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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class Set{
  5. public:
  6.     //returns union of two sets
  7.     friend Set operator |(Set set1, Set set2){
  8.         //bla-bla-bla
  9.         return set1;
  10.     }
  11. };
  12.  
  13. class Ring:public Set{
  14. public:
  15.     Ring(){}
  16.     Ring(const Set& ){}
  17. };
  18.  
  19. int main()
  20. {
  21.     Ring r1, r2, r;
  22.     r = r1|r2;
  23. }
  24.  
Success #stdin #stdout 0s 4508KB
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https://ideone.com/9sqHGB
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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