std::mdspan<T,Extents,LayoutPolicy,AccessorPolicy>::extent
Min standard notice:
Returns the extent of a mdspan at the rank index r. Equivalent to return extents().extent(r);.
# Declarations
constexpr index_type extent( rank_type r ) const noexcept;
(since C++23)
# Parameters
r: The rank index to get the extent size of
# Return value
The extent at the given rank index.
# Example
This section is incompleteReason: no example