std::extents<IndexType,Extents...>::index-cast

template< class OtherIndexType >
static constexpr auto /*index-cast*/( OtherIndexType&& i ) noexcept;

(since C++23)
(exposition only*)

Casts the index i in type OtherIndexType into certain integral type. It is equivalent to:

return i;, if OtherIndexType is an integral type other than bool and
return static_cast<index_type>(i); otherwise.

Parameters

i

-

the index to be cast

Return value

Cast index.

Notes

Example

See also

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https://en.cppreference.com/w/cpp/container/mdspan/extents/index-cast