I think the intent here is to mimic value semantics since assignment
actually changes referenced value. Making those functions `const` would be
confusing.

On Fri, Oct 7, 2022 at 2:42 PM blacktea hamburger via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> std::vector<bool>::reference and std::bitset::reference are both proxies,
> so even if they themselves are const, they can still be used to change
> the bit they reference.
>
> Are there any issues?
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-- 
Regards,
Oleksandr Koval.