Am Dienstag, dem 21.01.2025 um 21:13 +0000 schrieb Joseph Myers:
> On Tue, 21 Jan 2025, Martin Uecker wrote:
>
> > The bigger issue seems that if you forward reference a member, you
> > do not yet know its type. So whatever syntax we pick, general expressions
> > seem problematic anyway:
> >
> > struct {
> > char *buf [[counted_by(2 * .n + 3)]];
> > unsigned int n;
>
> That's why N3188 would require such a not-yet-declared member to have type
> const size_t.
Indeed, but this might not be viable if the goal is to annotate existing
code using counted_by where the type might be something else and can
not be changed.
(And in my programs I am using "int" for my array lengths because this
allows me to find overflows, which I then couldn't anymore.)
Martin
>