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  1. #include <iostream>
  2.  
  3. template < typename T, std::size_t N > void foo( T(&array)[N] )
  4. {
  5. 	std::cout << "size: " << sizeof(array)  
  6. 	          << "    num elements: " << N << '\n' ;
  7. }
  8.  
  9. int main() 
  10. {
  11. 	int a[23] ; foo(a) ;
  12. 	const double b[57] = {0} ; foo(b) ; 
  13. }
Success #stdin #stdout 0s 3340KB
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stdin
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Standard input is empty
stdout
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size: 92    num elements: 23
size: 456    num elements: 57
https://ideone.com/h996CE
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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