What's the surrounding use case you are thinking about?

On Fri, May 3, 2019 at 12:16 AM sotrdg sotrdg via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> Why does the standard not have std::iterator_const_cast? There is no
> standard way to convert type like std::deque<std::size_t>::const_iterator
> to std::deque<std::size_t>::iterator vice versa or
> std::deque<std::size_t>::const_reverse_iterator to
> std::deque<std::size_t>:: reverse_iterator
>
>
>
> std::iterator_static_cast can also solve the definition problem of
> contiguous_iterator, if an iterator T can std::iterator_static_cast to
> typename std::iterator_traits<T>::pointer and void*, then it is a
> contiguous_iterator.
>
>
>
>
>
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