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  1. #include <iostream>
  2. #include <type_traits>
  3. using namespace std;
  4.  
  5. template <typename T, typename U>
  6. struct decay_equiv : 
  7.     std::is_same<typename std::decay<T>::type, U>::type 
  8. {};
  9.  
  10. int main() {
  11.  
  12.     int A[][3] = {
  13. 			{ 1, 2, 3 },
  14. 			{ 4, 5, 6 },
  15. 			{ 7, 8, 9 },
  16. 			{ 10, 11, 12 }
  17. 	};
  18.  
  19.     std::cout << std::boolalpha
  20.               << decay_equiv<decltype(A), int(*)[3]>::value << '\n';
  21. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin
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Standard input is empty
stdout
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true
https://ideone.com/UqXgGi
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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