std::extents<IndexType,Extents...>::rank_dynamic
From cppreference.com
static constexpr rank_type rank_dynamic() noexcept;
|
(since C++23) | |
Returns the number of dynamic dimensions in extents.
Return value
The number of dynamic 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::extents<int, std::dynamic_extent, 7, std::dynamic_extent> e3(6, 8);
std::cout << e1.rank_dynamic() << ", "
<< e2.rank_dynamic() << ", "
<< e3.rank_dynamic() << '\n';
}
Output:
0, 1, 2
See also
[static] |
returns the static rank of an extents (public static member function) |
(C++11) |
obtains the number of dimensions of an array type (class template) |