On Fri, Jul 30, 2021 at 03:41:32PM +0000, Tejas via Digitalmars-d-learn wrote:
> On Friday, 30 July 2021 at 14:40:17 UTC, Paul Backus wrote:
[...]
> > ```d
> > struct test1 {
> > // member variables...
> >
> > char* data() {
> > return cast(char*) (&this + 1);
> > }
> > }
> > ```
> >
> > [1]: http://port70.net/~nsz/c/c99/n1256.html#6.7.2.1p16
>
> B-but the performance penalty of having an extra level of indirection?
> Absolutely unacceptable!!
Premature optimization.
Any optimizer worth its salt would be able to inline such a trivial
function as .data above. Check the output of LDC -O, for example.
(Don't talk to me about dmd, if you care about performance you'd use LDC
instead.)
T
--
This is a tpyo.
