disabling unary "-" for unsigned types
Justin Johansson
no at spam.com
Sun Feb 14 16:40:18 PST 2010
Andrei Alexandrescu wrote:
> Justin Johansson wrote:
>> Andrei Alexandrescu wrote:
>>> ulong x0;
>>> static assert(!__traits(compiles, -x0));
>>> uint x1;
>>> static assert(!__traits(compiles, -x1));
>>> ushort x2;
>>> static assert(!__traits(compiles, -x2));
>>> ubyte x3;
>>> static assert(!__traits(compiles, -x3));
>>>
>>> Sounds good?
>>>
>>> Andrei
>>
>> Sounds excellent. Who would have thought of that?
>>
>> Cheers
>> Justin Johansson
>>
>
> Actually Walter just talked me into forgetting about it. -x is
> conceptually rewritten into ~x + 1 for all types and typed accordingly.
Oh, okay. Who would have thought of that? :-)
> I'm dropping this in order to keep focused on more important changes.
This sounds good too. We are all anxiously awaiting the publication of
TDPL. What's the latest ETA?
Justin
> Andrei
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