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  1. #include <iostream>
  2. #include <type_traits>
  3.  
  4.  
  5. template<typename T>
  6.     void equal(const T lhs, const T rhs, std::true_type) noexcept {
  7.         std::cout << "integer overload!!\xa";
  8.     }
  9.  
  10. template<typename T>
  11.     void equal(const T lhs, const T rhs, std::false_type) noexcept {
  12.         std::cout << "non integer overload!!\xa";
  13.     }
  14.  
  15. template<typename T>
  16.     void equal(const T lhs, const T rhs)  noexcept {
  17.         equal(lhs, rhs, 
  18.               typename std::conditional<
  19.                           std::is_integral<T>::value, 
  20.                           std::true_type, 
  21.                           std::false_type
  22.               >::type());
  23.     }
  24.  
  25. int main()
  26. {
  27.     equal(10.f,20.f);
  28. }
Success #stdin #stdout 0s 4416KB
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Standard input is empty
stdout
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non integer overload!!
https://ideone.com/APNaCA
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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