> On Sep 2, 2020, at 6:27 AM, Dik Takken <dik.tak...@gmail.com> wrote:
>
> On 02-09-2020 12:48, Olle Härstedt wrote:
>> An alternative syntax would be
>>
>> foreach($iterable as $key => _) { ... }
>>
>> Using underscore as a way to signal "I don't care about this value".
>> Same could be possible with list destructoring, like
>>
>> [_, _, $something] = foo();
>>
Swift also uses the underscore in places.
>> 1. It is currently a valid constant name (BC break)
I can name a constant an underscore??
Does anyone actually do this??
I guess I’m asking how impactful the break would be considering most magic
things start with double underscore and I haven’t seen many people using the
single underscore to represent instance variables anymore.
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