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  1. #include <type_traits>
  2. #include <iostream>
  3.  
  4. template<class U>
  5. typename std::enable_if<
  6.   std::is_array<U>::value,
  7.   void
  8. >::type check(U const&) {
  9.   std::cout << "is array type." << std::endl;
  10. }
  11.  
  12. template<class U>
  13. typename std::enable_if<
  14.   !std::is_array<U>::value,
  15.   void
  16. >::type check(U const&) {
  17.   std::cout << "is not array type." << std::endl;
  18. }
  19.  
  20. int main() {
  21.   int i;
  22.   int a[5];
  23.  
  24.   check(i);
  25.   check(a);
  26. }
Success #stdin #stdout 0s 2828KB
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Standard input is empty
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is not array type.
is array type.
https://ideone.com/1JpTD
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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