On Wed, 2 Sep 2020, 21:54 Dik Takken, <dik.tak...@gmail.com> wrote:
> On 02-09-2020 21:31, Dik Takken wrote:
> > Even if we decide that it is not worth the trouble for foreach loops,
> > there are other cases where this new syntax can work well. Array
> > destructuring has already been mentioned.
>
> Replying to myself: It just occurred to me that array destructuring
> already allows omitting values:
>
> [, , $username] = getUserData();
>
> I still do find using void here more clear though, more intentional.
>
Yes, the current syntax lacks explicit intent and looks like a syntax
error. Anything would be better than this, I think. :)
> > Another case is the one where a function intentionally does not use one
> > of the arguments passed to it. This happens easily when using callbacks
> > or when implementing interfaces. A function declaration could look like
> > this:
> >
> > function foo($arg, void) {}
> >
>
> Given the array destructuring syntax, an alternative syntax might be:
>
> function foo($arg,)
>
> Again, I would prefer to see void here in stead of a trailing comma. In
> function calls a trailing comma is already allowed and it has a
> completely different meaning, which can be confusing.
>
> Regards,
> Dik Takken
>
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