On 2014-09-21 02:21, Sara Golemon wrote:
> On Sat, Sep 20, 2014 at 3:03 PM, Leigh <[email protected]> wrote:
>> On 20 September 2014 20:47, Sara Golemon <[email protected]> wrote:
>>> I like the general idea, but rather than explicitly focusing on
>>> the 'or' keyword, how about just giving all loop constructs
>>> (do/while/for/foreach) a return value? I'd suggest an integer
>>> return value indicating the number of times the loop executed.
>>>
>>
>> mind === blown
>>
>> This would open up a huge amount of other functionality I'd never
>> dreamed of (some of which is quite scary!)
>>
>> for($i = for(...) {}; $i < ...) {}
>>
> Yikes, I truly hope nobody ever writes that code. Ever.
>
>> I'm really not sure I understand the full implication of this
>> though. This would mean changing loop constructs from statements
>> to expressions. I wonder how difficult that will actually be, and
>> what other problems it would cause (I obviously haven't played with
>> this idea yet).
>>
> I admit, I haven't thought it through entirely either. Nor even if
> it's definitely possible.
>
>> It would also mean having to make { default block } into an
>> expression... with a return value (to be allowed on either side of
>> the boolean or)
>>
> Excellent point, a block only works with T_OR if it has a value.
> I'm pretty sure that at this point, it doesn't. That does put a
> monkey wrench into it. Perhaps a lambda could accommodate that?
> Starts to get ugly though...
>
>> Lots to think about here, if it's at all viable this will need
>> it's own separate RFC, it's a much more invasive change, but
>> definitely a great idea.
>>
> Yeah, I might be trying too hard. Worth exploring a tiny bit
> though...
>
> -Sara
>
Actually, I once or twice wanted to use while() {} else {} instead of
wrapping the loop in an "if". The extended version of Sara, while
looking great at a first glance, quickly turns into a crazy nightmare
after looking at the points already cooked up :)
--
Regards,
Mike
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