Deprecate implicit conversion between signed and unsigned integers

[Atila Neves]

On Monday, 17 February 2025 at 22:24:37 UTC, Walter Bright wrote:
> On 2/17/2025 1:06 AM, Atila Neves wrote:
>>> (Did I mention that explicit casts also hide errors 
>>> introduced by refactoring?)
>> 
>> `cast(typeof(foo)) bar`?
>
> That can work, but when best practices mean adding more code, 
> the result is usually failure.
>
> Also, what if `foo` changes to something not anticipated by 
> that cast?

Compilation or test failure, probably.