dynamic array capacity

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== Quote from Steven Schveighoffer (schveiguy at yahoo.com)'s article
> On Wed, 29 Dec 2010 07:29:29 -0500, spir <denis.spir at gmail.com> wrote:
> > Hello,
> >
> > Is there a common idiom to pre-allocate a dynamic array. I mean
> > allocating to avoid numerous re-allocations in loop, not setting length
> > & filling content.
> int[] x;
> x.reserve(10000); // pre-allocate at least 10000 elements for appending
> Another way to do it:
> Appender!(int[]) app;
> app.reserve(10000);
> this will perform much better than builtin array appending.
> -Steve

Oh, wow! D2 really kicks D1's ass here..