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  1. #include <iostream>
  2.  
  3. namespace mine {
  4. class Marker {
  5. public:
  6.      friend std::ostream& operator<<(std::ostream& out, const Marker& marker);
  7.      friend std::ostream& operator<<(std::ostream& out, Marker* marker);
  8. };
  9.  
  10. inline std::ostream& operator<<(std::ostream& out, const Marker& marker) {
  11.      out << "Marker";
  12.      return out;
  13. }
  14.  
  15. inline std::ostream& operator<<(std::ostream& out, Marker* marker) {
  16.      out << *marker;
  17.      return out;
  18. }
  19. } // namespace mine
  20.  
  21. int main() {
  22.   mine::Marker marker;
  23.   mine::Marker* m = &marker;
  24.  
  25.   std::cout << m << "\n";
  26. }
Success #stdin #stdout 0.01s 2724KB
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Standard input is empty
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Marker
https://ideone.com/EbN34
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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