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

constexpr size_type size() const noexcept;
(since C++23)

Returns the number of elements in mdspan.

Equivalent to extents().fwd-prod-of-extents(rank()).

The size of the multidimensional index space extents() must be representable as a value of type size_type. Otherwise, the behavior is undefined.

Return value

The number of elements.

Example

See also

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

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