Challenge: write a really really small front() for UTF8

[Nick Sabalausky]

On 3/25/2014 4:00 AM, Iain Buclaw wrote:
> On 25 March 2014 00:04, Daniel N <ufo at orbiting.us> wrote:
>> On Monday, 24 March 2014 at 12:21:55 UTC, Daniel N wrote:
>>>
>>> I'm currently too busy to submit a complete solution, but please feel free
>>> to use my idea if you think it sounds promising.
>>
>>
>> I now managed to dig up my old C source... but I'm still blocked by dmd not
>> accepting the 'pext' instruction...
>>
>> 1) I know my solution is not directly comparable to the rest in this
>> thread(for many reasons).
>> 2) It's of course trivial to add a fast path for ascii... if desired.
>> 3) It throws safety and standards out the window.
>>
>
>
> 4) It's tied to one piece of hardware.
>
> No Thankee.
>

bool supportCpuFeatureX;

void main() {
     supportCpuFeatureX = detectCpuFeatureX();

     doStuff();
}

void doStuff() {
     if(supportCpuFeatureX)
         doStuff_FeatureX();
     else
         doStuff_Fallback();
}

 > dmd -inline blah.d