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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class myClass {
  5. friend ostream &operator<< (ostream &os, myClass const &mc) {
  6. os << 5 << '\n';
  7. return os;
  8. }
  9. };
  10.  
  11. int main() {
  12. cout << myClass{};
  13. return 0;
  14. }
Success #stdin #stdout 0s 15240KB
stdin
Standard input is empty
stdout
5