Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:96921
Return-Path: <marijic.silvio@gmail.com>
Mailing-List: contact internals-help@lists.php.net; run by ezmlm
Delivered-To: mailing list internals@lists.php.net
Received: (qmail 39222 invoked from network); 16 Nov 2016 14:34:37 -0000
Received: from unknown (HELO lists.php.net) (127.0.0.1)
by localhost with SMTP; 16 Nov 2016 14:34:37 -0000
Authentication-Results: pb1.pair.com header.from=marijic.silvio@gmail.com; sender-id=pass
Authentication-Results: pb1.pair.com smtp.mail=marijic.silvio@gmail.com; spf=pass; sender-id=pass
Received-SPF: pass (pb1.pair.com: domain gmail.com designates 209.85.214.53 as permitted sender)
X-PHP-List-Original-Sender: marijic.silvio@gmail.com
X-Host-Fingerprint: 209.85.214.53 mail-it0-f53.google.com
Received: from [209.85.214.53] ([209.85.214.53:36893] helo=mail-it0-f53.google.com)
by pb1.pair.com (ecelerity 2.1.1.9-wez r(12769M)) with ESMTP
id 28/20-05303-C7E6C285 for <internals@lists.php.net>; Wed, 16 Nov 2016 09:34:36 -0500
Received: by mail-it0-f53.google.com with SMTP id b123so55516559itb.0
for <internals@lists.php.net>; Wed, 16 Nov 2016 06:34:36 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20120113;
h=mime-version:in-reply-to:references:from:date:message-id:subject:to
:cc;
bh=hhwYTkA6OPWW1qTZX8pYKCiSXGfmE2sBtj/U6UYoeUE=;
b=LWp5y6uhDqFKXa9fQNhmRuE44SELstey4kVy7w3t2vjD4N9tvDtKOCxY2I35VhLQYo
OIg45cFlWCrHScPwOoJ47p6Ih8SNrHLh7iYECs98JsRG+sFZvCbdLRMxigLUDpVtbd0j
SLhDbV1XB5+NJ98z8sH5fFFBtqUAr+iqDWHBiKFObqHubH2eJT5zJnipPVPdKp50rbRX
JoRGEqPOH4+OW0Q1128/ZtFd/g9xBEuOQTkx35FIHXx6dx+PozVclhzqAaxK7D5SsZNj
C6s4F0cR5fWwtvRYLzVXGZMa9iZeXa3Qut3yE9C1WxgAHfG/1U4Am7jOLyGJcJ2YTZrH
HNyQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20130820;
h=x-gm-message-state:mime-version:in-reply-to:references:from:date
:message-id:subject:to:cc;
bh=hhwYTkA6OPWW1qTZX8pYKCiSXGfmE2sBtj/U6UYoeUE=;
b=Nmy0qhbFfKg+MSHrz/OZWbbOwSre3c4xrvCabqNhtKZ2T7awi3pXShc4Z4tP1dYRVT
m1ib/G8SoKquuOytieB3oQ4qD+uzQtT3Gwcfi0pcbdTyueR1/+Mjrln76as5tRYH76PA
P/vw4QjqUe5zzHYjIMNOiSZpOFNZHLTBah5Ucn0/p5XVaTq6qxAONw73svTsc8NudqE8
fZNcMkUuz6dTRO/zDrgnLxxDdeTrBOjrF8sWa9cYFbtj8XcFVc5STF0WcfVl4iuxSnhW
jW+GpdoGNO2Vo0RTDoor+mcw7w/MP00iucsM/dfnhZDAVaDh7WMje6Tmpy4+p5lHXKqa
mRUg==
X-Gm-Message-State: ABUngvdAlimxz07L1hXZEle+2b4oK6FVMRIo6m+gxsFszvX7DHCJWmKyR15TWKArKWPmwsrPMxpuQ4azsXNl5Q==
X-Received: by 10.36.69.155 with SMTP id c27mr7863902itd.1.1479306872189; Wed,
16 Nov 2016 06:34:32 -0800 (PST)
MIME-Version: 1.0
Received: by 10.36.63.202 with HTTP; Wed, 16 Nov 2016 06:34:31 -0800 (PST)
In-Reply-To: <CAObuZdv7w8BPgEZuRVYiGS_6wSo8B-y6een2su-E9Msk9oNxyQ@mail.gmail.com>
References: <CAA69SC4th-Hkxj162xn3RWAG44tFkhGTo3Pm=mephPdSHfcHsw@mail.gmail.com>
<CAObuZdv7w8BPgEZuRVYiGS_6wSo8B-y6een2su-E9Msk9oNxyQ@mail.gmail.com>
Date: Wed, 16 Nov 2016 15:34:31 +0100
Message-ID: <CAA69SC7FrsyP7U8vMYB2e=_N_UD=aOLct2yB2tf5at098nS0mQ@mail.gmail.com>
To: Ryan Pallas <derokorian@gmail.com>
Cc: PHP Internals List <internals@lists.php.net>
Content-Type: multipart/alternative; boundary=001a11c15196a1798305416bf80e
Subject: Re: [PHP-DEV] Immutability RFC
From: marijic.silvio@gmail.com (=?UTF-8?Q?Silvio_Mariji=C4=87?=)
--001a11c15196a1798305416bf80e
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
@Ryan which is existing behaviour in language. Because object is immutable
I don't think we should care anymore about 'references' instead maybe we
could focus on value that object represents.
2016-11-16 15:29 GMT+01:00 Ryan Pallas <derokorian@gmail.com>:
>
>
> On Wed, Nov 16, 2016 at 6:57 AM, Silvio Mariji=C4=87 <marijic.silvio@gmai=
l.com>
> wrote:
>
>> Hi,
>>
>> To anyone who is interested in this RFC. What do you think what behavour
>> we
>> should have when you try to compare two immutable objects by identity li=
ke
>> this:
>>
>> immutable class A {
>>
>> public $a;
>>
>> public function __construct($a) {
>> $this->a =3D $a
>> }
>>
>> }
>>
>> $a1 =3D new A(1);
>> $a2 =3D new A(1);
>>
>
> I would personally expect that:
>
> var_dump($a1 =3D=3D=3D $a2); // bool(false)
> var_dump($a1 =3D=3D $a2); // bool(true)
>
>
>>
>> $a1 =3D=3D=3D $a2
>>
>> If we treat those objects as values then this should return true. But th=
en
>> again there might be some confusion because then two operators are doing
>> the same thing. Maybe throw an error ? Suggestions ?
>>
>> Cheers.
>> --
>> Silvio Mariji=C4=87
>> Software Engineer
>> 2e Systems
>>
>
>
--=20
Silvio Mariji=C4=87
Software Engineer
2e Systems
--001a11c15196a1798305416bf80e--