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  1. #include <iostream>
  2.  
  3. template <typename T,unsigned S>
  4. constexpr unsigned arraysize(const T (&v)[S]) { return S; }
  5.  
  6. int main() 
  7.     {
  8.     unsigned char ah[] = {1,2};
  9.     int ch[arraysize(ah)];
  10.     std::cout <<  arraysize(ch);
  11. 	return 0;
  12.     }
Success #stdin #stdout 0s 15232KB
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https://ideone.com/VxogJ4
Array Size by Template
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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