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  1. #include <iostream>
  2. #include <string>
  3.  
  4. template <typename C>
  5. class Super
  6. {
  7. public:
  8.     std::string GetFunnyName() const
  9.     {
  10.         C *thiz = static_cast<C *>(this);
  11.         return thiz->GetFunnyName();
  12.     }
  13. };
  14. class A : public Super<A>
  15. {
  16. public:
  17.     std::string GetFunnyName() const
  18.     {
  19.         return "A";
  20.     }
  21. };
  22. class B : public Super<B>
  23. {
  24. public:
  25.     std::string GetFunnyName() const
  26.     {
  27.         return "B";
  28.     }
  29. };
  30.  
  31. template <typename TSuper>
  32. void OutputFunny(const TSuper &obj)
  33. {
  34.     std::cout << obj.GetFunnyName() << "\n";
  35. }
  36.  
  37. int main()
  38. {
  39.     A a;
  40.     B b;
  41.  
  42.     OutputFunny(a);
  43.     OutputFunny(b);
  44. }
Success #stdin #stdout 0s 3472KB
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Standard input is empty
stdout
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A
B
https://ideone.com/5DpqLE
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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