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  1. #include <string>
  2. #include <type_traits>
  3.  
  4. struct Ip
  5. {
  6.     std::string ip;
  7. };
  8.  
  9. template <typename T>
  10. typename std::enable_if<!std::is_integral<T>::value && !std::is_floating_point<T>::value, bool>::type
  11. Equal(const std::string& s, const T& data)
  12. {return s == data;}
  13.  
  14. template <typename T>
  15. typename std::enable_if<std::is_integral<T>::value, bool>::type
  16. Equal(const std::string& s, const T& data)
  17. {
  18.     //int specific
  19.     return false;
  20. }
  21.  
  22. template <typename T>
  23. typename std::enable_if<std::is_floating_point<T>::value, bool>::type
  24. Equal(const std::string& s, const T& data)
  25. {
  26.     //Float specific
  27.     return false;
  28. }
  29.  
  30. bool Equal(const std::string& s, const Ip& data)
  31. {
  32.    //Ip specific
  33.     return false;
  34. }
  35.  
  36. int main()
  37. {
  38.     Equal("21", 21);
  39.     Equal("21", 21.f);
  40.     Equal("21","42.5");
  41.     Equal("21", Ip{"21"});
  42.  
  43.     return 0;
  44. }
  45.  
Success #stdin #stdout 0s 3468KB
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https://ideone.com/G1vJKm
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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