abs and minimum values

[Imperatorn]

On Sunday, 31 October 2021 at 10:12:49 UTC, Siarhei Siamashka 
wrote:
> On Sunday, 31 October 2021 at 05:04:33 UTC, Dom DiSc wrote:
>> On Friday, 29 October 2021 at 14:20:09 UTC, Ali Çehreli wrote:
>>> [...]
>>
>> This should be no surprise. You need to know what the 
>> resulting type of int + uint should be. And it is ...... uint! 
>>  which is one of the stupit integer-promotion rules inherited 
>> from C.
>
> Then let's change the example to:
>
>    int b = -4;
>    writeln(-abs(b));
>
> What would one normally expect to be printed here? Should the 
> unary minus operator also do some kind of implicit "unsigned -> 
> signed" type change magic to accommodate this modified version 
> of the abs function and make it behave in a non-surprising way?

What I would like is for it to mirror math.