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  1. #include <iostream>
  2. #include <string>
  3.  
  4. class One {
  5. public:
  6. 	virtual void id(const std::string &what = "I'm class One!") const
  7. 	{
  8. 		std::cout << "class One says: " << what << std::endl;
  9. 	}
  10.  
  11. 	virtual ~One()
  12. 	{
  13. 	}
  14. };
  15.  
  16. struct Two: One {
  17. 	void id(const std::string &what = "I'm struct Two!") const
  18. 	{
  19. 		std::cout << "struct Two says: " << what << std::endl;
  20. 	}
  21. };
  22.  
  23. int main()
  24. {
  25. 	One *o = new Two;
  26.  
  27. 	o->id();
  28. 	delete o;
  29. }
Success #stdin #stdout 0.02s 2856KB
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stdin
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Standard input is empty
stdout
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struct Two says: I'm class One!
https://ideone.com/6nJDc
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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