The Thermopylae excerpt of TDPL available online
Denis Koroskin
2korden at gmail.com
Thu Oct 29 12:13:53 PDT 2009
On Thu, 29 Oct 2009 21:59:13 +0300, Max Samukha <spambox at d-coding.com>
wrote:
> On Thu, 29 Oct 2009 13:30:35 -0500, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org> wrote:
>
>> It's me as well. The decision didn't go without a fight (I had your
>> viewpoint and Walter didn't). He convinced me with two arguments. One is
>> that 90% of the time you actually want T[], not T[n].
>
> The argument may be flawed because, out of those 90% of arrays, only
> small part may be initialized from array literals. Many (most?) are
> created with new or appended. I suspect dynamic arrays created from
> literals are as rare as static arrays in real world code. Probably,
> I'll investigate how exactly rare.
I agree. It also involves a hidden allocation and there is no way around
it:
int[] t = [0, 1, 2] ~ [3, 4, 5]; // how many allocations here take place?
1? No, 3!
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