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  1.     #include <iostream>
  2.  
  3.     template<size_t N>
  4.     void dump(int (&a)[N])   // takes arrays with known size only
  5.     {
  6.         std::cout << "[" << a[0];
  7.         for (size_t i = 1; i < N; ++i)
  8.             std::cout << ',' << a[i];
  9.         std::cout << "]";
  10.     }
  11.  
  12.     int main() {
  13.         int a[] = { 1, 2, 3, 4 };  // compiler calculates size
  14.         dump(a);
  15.     }
  16.  
Success #stdin #stdout 0s 3468KB
comments (?)
stdin 
Standard input is empty
stdout 
[1,2,3,4]
https://ideone.com/ATB81u
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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