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std::mdspan<T,Extents,LayoutPolicy,AccessorPolicy>::static_extent

static constexpr std::size_t static_extent( rank_type r ) noexcept;
(since C++23)

Statically determines the extent of a mdspan at the rank index r. If the rank index r corresponds to a dynamic extent, returns std::dynamic_extent. Equivalent to return Extents::static_extent(r);.

Parameters

r - The rank index to get the static extent size of

Return value

The static extent size, or std::dynamic_extent.

Example

See also

static_extent
[static]
returns static extent size of an extents at a certain rank index
(public static member function of std::extents<IndexType,Extents...>)
extent
returns the extent of a mdspan at a given rank index
(public member function)

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https://en.cppreference.com/cpp/container/mdspan/static_extent

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