Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:80485
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.214.181 as permitted sender)
MIME-Version: 1.0
Sender: morrison.levi@gmail.com
In-Reply-To: <CAOsHV+vL-YH7PLZKx9xRHVEU4r4pi=qWp8LM4xVSAXBg8bpAnw@mail.gmail.com>
References: <CAFMT4NqCF6sbpqhg-icd4K_zfOu-RMW=qy6sL-T2YuLH3NQSRg@mail.gmail.com>
	<CAOsHV+vL-YH7PLZKx9xRHVEU4r4pi=qWp8LM4xVSAXBg8bpAnw@mail.gmail.com>
Date: Wed, 14 Jan 2015 13:08:26 -0700
Message-ID: <CAFMT4Np+HqOXhKc32+H_yE32Jn43vbRNyoWWUX_VFH0NwCpRSA@mail.gmail.com>
To: marcio3w@gmail.com
Cc: internals <internals@lists.php.net>
Content-Type: text/plain; charset=UTF-8
Subject: Re: [PHP-DEV] [RFC][Vote] Return Types
From: levim@php.net (Levi Morrison)

On Wed, Jan 14, 2015 at 12:04 PM, Marcio Almada <marcio.web2@gmail.com> wrote:
> Hi Levi,
>
> It's nice to see this RFC in voting phase again so quickly :) I just have
> one question. Since we had some changes in the implementation will the
> previous votes be discarded?
>
> 2015-01-14 6:18 GMT-03:00 Levi Morrison <levim@php.net>:
>
>> Dear Internals,
>>
>> I have moved the Return Types RFC[1] into voting phase. A few changes
>> have happened since it was originally announced but have been covered
>> by discussion.
>>
>> Return types are now invariant. This means a sub-type must declare the
>> same return type as its super-type's method when overriding it.
>> Aliases such as self and parent must resolve to the same type.
>>
>> Also note that picking invariance now does not mean we can't support
>> covariance later. This decision was a trade-off of my time and the
>> projected timeline for PHP 7. I was not confident I could produce an
>> excellent design and implementation in time for PHP 7 if I chose
>> covariance instead.
>>
>> There is no reflection support for return types; another RFC[2] will
>> handle this.
>>
>> Dmitry updated a sizeable chunk of the implementation[3] to work on
>> much more recent master branch. Thanks, Dmitry. I have updated it to
>> work on the latest master version as of the time of this writing and
>> altered one or two things to bring it into line with the RFC.
>>
>> The voting period will end during the evening of 2015-01-23 in UTC-7.
>> This period is around ten days, which I hope is enough time for
>> everyone to be able to vote.
>>
>>   [1]: https://wiki.php.net/rfc/return_types#vote
>>   [2]: https://wiki.php.net/rfc/reflectionparameter.typehint
>>   [3]: https://github.com/php/php-src/pull/997

The previous votes were discarded, yes.