On Thu, 4 May 2023 at 15:35, Thiago Macieira via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> On Thursday, 4 May 2023 01:52:48 PDT David Brown via Std-Proposals wrote:
> > You can also do "!!x ^ !!y", using the "convert to bool operator" !!.
> > Alternatively, "!x ^ !y" saves two keypresses :-)
>
> This can also be spelt:
>
> !x != !y
>

Right, I already pointed that out in
https://lists.isocpp.org/std-proposals/2023/05/6533.php which is what David
was replying to.