Am Wed, 3 Jan 2018 10:57:13 -0800
schrieb Ali Çehreli <acehr...@yahoo.com>:
> On 01/03/2018 10:40 AM, Patrick Schluter wrote:
> > On Tuesday, 2 January 2018 at 23:27:22 UTC, H. S. Teoh wrote:
> >>
> >> When it comes to optimization, there are 3 rules: profile, profile,
> >> profile. I used to heavily hand-"optimize" my code a lot (I come from
> >> a strong C/C++ background -- premature optimization seems to be a
> >> common malady among us in that crowd).
> >
> > That's why I always tell that C++ is premature optimization oriented
> > programming, aka as POOP.
>
> […]
>
> That's why I like producer functions that return values:
>
> vector<int> makeInts(some param) {
> // ...
> }
>
> And if they can be 'pure', D allows them to be used to initialize
> immutable variables as well. Pretty cool! :)
>
> Ali
May I add, this is also optimal performance-wise. The result
variable will be allocated on the caller stack and the
callee writes directly to it. So even POOPs like me, do it.
--
Marco
