Operator declaration

[Dom Disc]

On Thursday, 23 April 2026 at 15:25:35 UTC, H. S. Teoh wrote:
> On Thu, Apr 23, 2026 at 03:04:59PM +0000, Dom Disc via 
> Digitalmars-d-learn wrote:
[much too complicated example]
>> ==> cannot implicitly convert expression 
>> `pow(cast(int)__powtmp1234,
>> cast(int)x.val)` of type `int` to `ubyte`
>> 
> I hate D's policy on integer conversions.  That's why I wrote 
> nopromote.d which I posted somewhere in these forums, that lets 
> you attach `.np` (for "no promote") to a short integer 
> somewhere in an expression to "poison" it so that all 
> arithmetic is done without promotion and assignable back to the 
> original variable.
Ah, cool. I'll have a look.
>
> It's *really* b0rken IMO that you cannot even use `^^=` on a 
> short integer!  I'd file a bug, but Walter has said that he's 
> not going change his stance on this.

Yeah, you can't use it at all.

ubyte m;
m ^^= m; // doesn't work

So this is a serious bug, not a policy anymore.