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  1. #include <iostream>
  2.  
  3.  
  4. template<typename> class FirstClass;
  5. template<typename> class SecondClass;
  6.  
  7. template <typename T>
  8. class FirstClass {
  9.  
  10. public:
  11.     bool convert(const FirstClass<T>& f) { std::cout << "f2f\n"; }
  12.     bool convert(const SecondClass<T>& s){ std::cout << "f2s\n"; }
  13.  
  14. };
  15.  
  16.  
  17. template <typename T>
  18. class SecondClass {
  19.  
  20. public:
  21.     bool convert(const FirstClass<T>& f){ std::cout << "s2f\n"; }
  22.     bool convert(const SecondClass<T>& s){ std::cout << "s2s\n"; }
  23.  
  24. };
  25.  
  26. int main()
  27. {
  28.     FirstClass<int> f;
  29.     SecondClass<int> s;
  30.  
  31.     f.convert(f);
  32.     f.convert(s);
  33.     s.convert(f);
  34.     s.convert(s);
  35.  
  36. }
Success #stdin #stdout 0s 2884KB
comments (?)
stdin
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Standard input is empty
stdout
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f2f
f2s
s2f
s2s
https://ideone.com/IBYghc
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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