Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:92452
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Received-SPF: error (pb1.pair.com: domain pthreads.org from 209.85.161.170 cause and error)
MIME-Version: 1.0
In-Reply-To: <CAL=_i_mxPnzm4O7mpVFiGTtxnwDSUtpzM7f8Su=LwkHTa_agOw@mail.gmail.com>
References: <CAL=_i_mzF5U4kb487igLrMPvnK5UUNP0W1FA+MYHWMjmypJ3Cg@mail.gmail.com>
	<BY2PR0201MB1784951F449DA564BF12AE3DBF6C0@BY2PR0201MB1784.namprd02.prod.outlook.com>
	<CAL=_i_mxPnzm4O7mpVFiGTtxnwDSUtpzM7f8Su=LwkHTa_agOw@mail.gmail.com>
Date: Tue, 19 Apr 2016 13:52:40 +0100
Message-ID: <CAL=_i_nJrbCaN4RC0HrV8t4a07ugwG-j373wocaidNfJtWAKNA@mail.gmail.com>
To: Dmitry Stogov <dmitry@zend.com>
Cc: PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a1143f39ad4f2eb0530d5f3eb
Subject: Re: [PHP-DEV] RFC: Functional Interfaces
From: pthreads@pthreads.org (Joe Watkins)

--001a1143f39ad4f2eb0530d5f3eb
Content-Type: text/plain; charset=UTF-8

Oh, it's confusing text in the RFC, using the word "Interface" ... that's
meant as a placeholder for InterfaceName.

Cheers
Joe

On Tue, Apr 19, 2016 at 1:50 PM, Joe Watkins <pthreads@pthreads.org> wrote:

> Morning Dmitry,
>
>   In your example, they will do the same thing.
>
>   Anon classes don't have lexical scope, I have a patch for that, and an
> RFC, I'm just tidying it.
>
>   Even when anon classes do have lexical scope, there is value in being
> able to implement these kinds of interfaces using only a function.
>
>   The changes to the vm are restricted to a few lines, that's not
> seriously a problem, is it !?
>
>   I don't see where I extend closure with an interface ...
>
>   >     zend_do_inheritance_ex(type, zend_ce_closure, 1);
>   >     zend_class_implements(type, 1, interface);
>
> Cheers
> Joe
>
> On Tue, Apr 19, 2016 at 1:01 PM, Dmitry Stogov <dmitry@zend.com> wrote:
>
>> <?php
>> interface IFoo {
>>     public function method() : int;
>> }
>>
>> $cb1 = function () implements IFoo : int {
>>     return 42;
>> };
>>
>> $cb2 = new class implements IFoo {
>>   function method() : int {
>>     return 42;
>>  }
>> };
>> ?>
>>
>> Are $cb1 and $cb2 going to be the same (do the same)?
>> Is this just a new syntax sugar, or a really new feature?
>>
>> According to implementation, I think, you shouldn't extend "zend_closure"
>> with "interface".
>> If this is a sugar, lets implement it as a sugar (without VM changes).
>>
>> But may be I didn't understand the idea at all :)
>>
>> Thanks. Dmitry.
>>
>>
>> ________________________________________
>> From: Joe Watkins <pthreads@pthreads.org>
>> Sent: Monday, April 18, 2016 13:22
>> To: PHP internals
>> Subject: [PHP-DEV] RFC: Functional Interfaces
>>
>> Morning Internals,
>>
>>     Please review the following RFC:
>>
>>     https://wiki.php.net/rfc/functional-interfaces
>>
>>     An implementation is provided, and is testable on 3v4l.
>>
>>     Review of the implementation from those of you that do that would be
>> good :)
>>
>> Cheers
>> Joe
>>
>
>

--001a1143f39ad4f2eb0530d5f3eb--