std::extents<IndexType,Extents...>::rank
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std::extents
extents::rank
static constexpr rank_type rank() const noexcept;
(since C++23)
Returns the number of dimensions in extents.
Contents
[edit] Parameters
(none)
[edit] Return value
The number of dimensions.
[edit] 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