home | help 
std::extents::rank(3)	       C++ Standard Libary	   std::extents::rank(3)

NAME
     std::extents::rank - std::extents::rank

Synopsis
	static constexpr rank_type rank() const noexcept;  (since C++23)

	Returns the number of dimensions in extents.

Parameters
	(none)

Return value
	The number of dimensions.

Example
     // Run this code

      #include <iostream>
      #include <mdspan>

      int main()
      {
	  std::extents<int, 1, 2> e1;
	  std::extents<int, 3, 4, std::dynamic_extent> e2(5);
	  std::cout << e1.rank() << ", " << e2.rank() << '\n';
      }

Output:
      2, 3

See also
	rank_dynamic returns the dynamic rank of an extents
	[static]     (public static member function)
	rank	     obtains the number of dimensions of an array type
	(C++11)      (class template)

http://cppreference.com 	   2024.06.10		   std::extents::rank(3)
home | help