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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<class T,size_t N>
  5. size_t getArrSize(T (&arr)[N])
  6. {
  7. 	return N;
  8. }
  9.  
  10. template<class T,size_t N>
  11. size_t fail_version(T (*arr)[N])
  12. {
  13. 	return N;
  14. }
  15.  
  16. int main() {
  17. 	int arr[10] = {0};
  18. 	cout<<"getArrSize:"<<getArrSize(arr)<<endl;
  19. 	//cout<<"fail_version:"<<fail_version(arr)<<endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0.01s 5536KB
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stdin
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Standard input is empty
stdout
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getArrSize:10
https://ideone.com/hSXrOZ
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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