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  1. #include <iostream>
  2.  
  3. enum E
  4. {
  5.     A,
  6.     B,
  7.     C
  8. };
  9.  
  10. class Some
  11. {
  12. public:
  13.     template<E x>
  14.     typename std::enable_if<x == E::A, void>::type func()
  15.     {
  16.         std::cout << "A\n";
  17.     }
  18.     template<E x>
  19.     typename std::enable_if<x == E::B, void>::type func()
  20.     {
  21.         std::cout << "B\n";
  22.     }
  23.     template<E x>
  24.     typename std::enable_if<x == E::C, void>::type func()
  25.     {
  26.         std::cout << "C\n";
  27.     }
  28. };
  29.  
  30. int main()
  31. {
  32.     Some some;
  33.     some.func<E::A>();
  34.     some.func<E::B>();
  35.     some.func<E::C>();
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0s 3456KB
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stdin
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Standard input is empty
stdout
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A
B
C
https://ideone.com/JdsPf7
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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