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

 

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std::mdspan

Member functions mdspan::mdspan mdspan::operator= Element access mdspan::operator[] Observers mdspan::rank mdspan::rank_dynamic mdspan::static_extent mdspan::extent mdspan::size mdspan::empty mdspan::stride mdspan::extents mdspan::data_handle mdspan::mapping mdspan::accessor mdspan::is_uniquemdspan::is_exhaustivemdspan::is_stridedmdspan::is_always_uniquemdspan::is_always_exhaustivemdspan::is_always_strided

Non-member functions swap(std::mdspan) Subviews submdspan (C++26) submdspan_extents (C++26) Helper types and templates extentsdextentsdims (C++26) default_accessor Layout mapping policies layout_left layout_right layout_stride layout_left_padded (C++26) layout_right_padded (C++26) Subviews helpers full_extent (C++26) strided_slice (C++26) submdspan_mapping_result (C++26) Deduction guides

 

constexpr index_type extent( rank_type r ) const noexcept;		(since C++23)

Returns the extent of a mdspan at the rank index r. Equivalent to return Extents::extent(r);.

Parameters

r

-

The rank index to get the extent size of

Return value

The extent at the given rank index.

See also

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