Operator declaration

[Meta]

On Saturday, 25 April 2026 at 10:49:35 UTC, Nick Treleaven wrote:
>> - Promotion helps avoid accidental overflow which is more 
>> common with small integer types.
>>
>> I got 3 words for you: Value Range Propagation. We pay for it, 
>> so we should use it wherever possible.
>
> How would that fix the problem? And ideally in a way that 
> doesn't break existing working code.

This is about the integer promotion rules, that people have been 
complaining about for years.