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  1. #include <iostream>
  2.  
  3.  
  4.  
  5. template <typename T, int N>
  6.  
  7. void array_size(T (&a)[N])
  8.  
  9. {
  10.  
  11.     std::cout << N << "\n";
  12.  
  13. }
  14.  
  15. int main()
  16.  
  17. {
  18.  
  19.     array_size("hello");
  20.  
  21.     char bytes[16];
  22.  
  23.     array_size(bytes);
  24.  
  25.     return 0;
  26.  
  27. }
  28.  
  29.  
Success #stdin #stdout 0.01s 2680KB
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stdin
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Standard input is empty
stdout
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6
16
https://ideone.com/l7GxDp
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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