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  1. #include <iostream>
  2.  
  3. template <class ParamType>
  4. struct IsGood
  5. {
  6.     typedef bool (*Check)(const ParamType, int other);
  7. };
  8.  
  9. template< typename ParamType >
  10. void DoSmth(typename IsGood<ParamType>::Check isGood, const ParamType param)
  11. {
  12.     if(isGood(param, 5))
  13.         std::cout << "good";
  14. }
  15.  
  16. bool checkEqualInt(int i, int j){return i==j;}
  17.  
  18. int main()
  19. {
  20.     DoSmth(checkEqualInt, 5);
  21. }
Success #stdin #stdout 0s 3296KB
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Standard input is empty
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good
https://ideone.com/czNr1e
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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