23 Containers library [containers]

23.7 Views [views]

23.7.3 Multidimensional access [views.multidim]

23.7.3.3 Class template extents [mdspan.extents]

23.7.3.3.5 Comparison operators [mdspan.extents.cmp]

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template<class OtherIndexType, size_t... OtherExtents> friend constexpr bool operator==(const extents& lhs, const extents<OtherIndexType, OtherExtents...>& rhs) noexcept;
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Returns: true if lhs.rank() equals rhs.rank() and if lhs.extent(r) equals rhs.extent(r) for every rank index r of rhs, otherwise false.