Deprecate implicit conversion between signed and unsigned integers

[monkyyy]

On Friday, 7 February 2025 at 01:30:31 UTC, Walter Bright wrote:
> On 2/6/2025 12:59 PM, monkyyy wrote:
>> All options suck, -1 should suck least; size_t is insane in 
>> the 64bit era no one has that much ram, no one has that much 
>> ram for compressed bools of 2^63 bits
>
> As D is also a systems programming language, it provides access 
> to the model the hardware implements.

Do any of the embedded projects have working slices? Are there no 
ways to make size_t only signed on 64 bit machines, or as a flag?

I dont even know what the argument is for when that 64th bit will 
be used.