Cool! Looking forward to it.
Am 07.11.2012 um 06:41 schrieb Sara Golemon <poll...@php.net>:
> Retrying this with reply-to-all. :)
>
> I think it's an awesome moment for PHP and HipHop to work together! :)
> I'll summarize what we have so far into an RFC.
>
> -Sara
>
> On Tue, Nov 6, 2012 at 12:50 PM, Lars Strojny <l...@strojny.net> wrote:
>> Hey Sara,
>>
>> can you already show us how your take on Generics would look like? Maybe
>> this is a good moment for HipHop and PHP to do something together.
>>
>> Am 06.11.2012 um 04:14 schrieb Sara Golemon <poll...@php.net>:
>>
>>> Sorry to be late to the conversation, but fwiw, HipHop is adding
>>> Generics (and some other cool things) to our PHP implementation. We
>>> plan to provide a PHP equivalent implementation in the form of a
>>> pre-processor extension which can live in PECL. The implementation
>>> would of course be cleaner if done directly in the engine, but with
>>> APC the performance hit of doing an extra transformation pass should
>>> disappear. Hopefully this satisfies both the want for Java/C++-like
>>> syntax without "polluting" the language.
>>>
>>> -Sara
>>>
>>> On Tue, Oct 23, 2012 at 4:21 AM, Etienne Kneuss <col...@php.net> wrote:
>>>> Hi,
>>>>
>>>> On Tue, Oct 23, 2012 at 4:17 AM, Levi Morrison <morrison.l...@gmail.com>
>>>> wrote:
>>>>>>> Especially if the ability was afforded to arrays as well (function
>>>>>>> foo(array<Bar> $array){})...
>>>>>>
>>>>>> This would require O(n) runtime tests, I would definitely not go there.
>>>>>
>>>>> Actually, it does not require O(n) runtime tests. The solution is
>>>>> simple: store the type when it is created. Whenever an element is
>>>>> added, make sure it matches the correct type. All this does is add
>>>>> some flat overhead.
>>>>
>>>> If you test every time you add one element, that's still O(n) tests
>>>> where n is the size of the array, the only benefit is that it is not
>>>> checked for each calls to a function. But now we are talking about
>>>> attaching non-trivial types to variables, and non-trivial checks in a
>>>> lot of places (think references etc..), let's not go there...
>>>>
>>>>>
>>>>> I am also supportive of the idea of having generics, but I am not sure
>>>>> that the work it would take is worth it.
>>>>
>>>>
>>>>
>>>> --
>>>> Etienne Kneuss
>>>> http://www.colder.ch
>>>>
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>>>> PHP Internals - PHP Runtime Development Mailing List
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>>>>
>>>
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>>
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