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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <typename T, std::size_t... Sizes>
  5. class Foo {
  6. public:
  7. 	const std::size_t rank = (sizeof...(Sizes));
  8. 	const std::size_t dimensions[(sizeof...(Sizes))] = {Sizes...};
  9. };
  10.  
  11. int main() {
  12.  
  13. 	Foo<int, 1, 2, 3> foo;
  14.  
  15. 	std::cout << "Rank: " << foo.rank << std::endl;
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3296KB
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Rank: 3
https://ideone.com/Lk6cZ4
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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