On 2026-08-10 at 11:45, Bingzhi via Std-Proposals wrote:
> Somebody who tried to implement ranges library can get what I mean.
> I prefer noexcept(auto) than this one, but I believe this one is simpler
> to achieve.
>

You can already use a lambda in the noexcept(), like

noexcept([] {if (cond) return something; else return other; }() )