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  1. #include <iostream>
  2. #include <type_traits>
  3. using namespace std;
  4.  
  5.  
  6. template <int N>
  7. struct S
  8. {
  9.     template <typename T>
  10.     typename enable_if<(sizeof(T)>0) && N==1, int>::type
  11.     f(T t) { return 1; }
  12.  
  13.     template <typename T>
  14.     typename enable_if<(sizeof(T)>0) && N!=1, int>::type
  15.     f(T t) { return 0; }
  16. };
  17.  
  18. int main()
  19. {
  20.     S<1> s1;
  21.     S<2> s2;
  22.     cout << s1.f(99) << " " << s2.f(99) << endl;
  23. }
Success #stdin #stdout 0s 2896KB
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stdin 
Standard input is empty
stdout 
1 0
https://ideone.com/Dw2ELF
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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