24 Containers library [containers]

24.7 Views [views]

24.7.3 Multidimensional access [views.multidim]

24.7.3.2 Header <mdspan> synopsis [mdspan.syn]

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// all freestanding namespace std { // [mdspan.extents], class template extents template<class IndexType, size_t... Extents> class extents; // [mdspan.extents.dextents], alias template dextents template<class IndexType, size_t Rank> using dextents = see below; // [mdspan.layout], layout mapping struct layout_left; struct layout_right; struct layout_stride; template<size_t PaddingValue = dynamic_extent> struct layout_left_padded; template<size_t PaddingValue = dynamic_extent> struct layout_right_padded; // [mdspan.accessor.default], class template default_accessor template<class ElementType> class default_accessor; // [mdspan.mdspan], class template mdspan template<class ElementType, class Extents, class LayoutPolicy = layout_right, class AccessorPolicy = default_accessor<ElementType>> class mdspan; // [mdspan.sub], submdspan creation template<class OffsetType, class LengthType, class StrideType> struct strided_slice; template<class LayoutMapping> struct submdspan_mapping_result; struct full_extent_t { explicit full_extent_t() = default; }; inline constexpr full_extent_t full_extent{}; template<class IndexType, class... Extents, class... SliceSpecifiers> constexpr auto submdspan_extents(const extents<IndexType, Extents...>&, SliceSpecifiers...); // [mdspan.sub.sub], submdspan function template template<class ElementType, class Extents, class LayoutPolicy, class AccessorPolicy, class... SliceSpecifiers> constexpr auto submdspan( const mdspan<ElementType, Extents, LayoutPolicy, AccessorPolicy>& src, SliceSpecifiers... slices) -> see below; template<class T, class IndexType> concept index-pair-like = // exposition only pair-like<T> && convertible_to<tuple_element_t<0, T>, IndexType> && convertible_to<tuple_element_t<1, T>, IndexType>; }