std.partition is fucked

[Andrei Alexandrescu]

bearophile wrote:
> Sean Kelly:
> 
>> The built-in sort uses an internal stack rather than recursion, which makes its performance on a best-case dataset hard to beat.<
> 
> The built-in sort is snail slow, and its stack overflows if your array isn't small:
> 
> void main() {
>     auto a = new uint[0x8F_FFFF];
>     a.sort;
> }
> 
> So the current built-in sort is bad, and it must be fixed or removed.

That pretty much settles it. Seeing sort's fixed stack, I had this 
feeling for a while, but only now I saw the proof :o).

Andrei