>
> But it would be nice
> to have automatic conversion between std::span<T>::iterator convertible
> to std::span<T const>::iterator.


In C++23, you can just use span<T>::const_iterator.

Oliver Schädlich via Std-Proposals <std-proposals_at_[hidden]> 於
2023年10月25日 週三 下午9:42寫道：

> I'm using std::span a lot for some time, having more reliable code while
> debugging. But it would be nice
> to have automatic conversion between std::span<T>::iterator convertible
> to std::span<T const>::iterator.
>
> Olli
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