On 3/30/25 04:36, Howard Hinnant via Std-Proposals wrote:

> Fwiw I’ve recently been working this area as a library, as opposed to a change to the language:
>
> https://github.com/HowardHinnant/bbi

There is also Boost.Safe Numerics:

 
https://www.boost.org/doc/libs/release/libs/safe_numerics/doc/html/index.html