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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <int N> int getSize(int (&arr)[N]) {
  5.   return sizeof(arr);
  6. }
  7.  
  8. int main() {
  9.   int arr[] = { 1, 2, 3, 4 };
  10.   cout << getSize(arr) << endl;
  11.   cout << sizeof(arr) << endl;
  12.   return 0;
  13. }
Success #stdin #stdout 0s 4476KB
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16
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https://ideone.com/2v0qXE
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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