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Date: Mon, 16 Mar 2020 12:57:40 +0100
Message-ID: <CAOWwgpnRmHBMVdcMibTCB7WQz-KGePmZeywr4A2R_o6J64ejxA@mail.gmail.com>
To: =?UTF-8?B?TcOhdMOpIEtvY3Npcw==?= <kocsismate90@gmail.com>
Cc: Nikita Popov <nikita.ppv@gmail.com>, Larry Garfield <larry@garfieldtech.com>, 
	php internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="00000000000076279905a0f787b2"
Subject: Re: [PHP-DEV] [RFC] [DISCUSSION] Immutable/final/readonly properties
From: nicolas.grekas+php@gmail.com (Nicolas Grekas)

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Le lun. 16 mars 2020 =C3=A0 12:52, M=C3=A1t=C3=A9 Kocsis <kocsismate90@gmai=
l.com> a =C3=A9crit :

> >
> > The other one is the recently declined
> > https://wiki.php.net/rfc/object-initializer. As it basically works by
> > first
> > creating the object normally (including a possible constructor call), a=
nd
> > then assigning the specified properties, this would not be compatible
> with
> > readonly properties that have defaults. Other implementation approaches
> are
> > possible though, but may not be easily reconcilable with the need to al=
so
> > call the constructor.
> >
>
> I think what I'd expect from a possible object initializer feature is tha=
t
> it
> can't overwrite "write-once" properties with default values. (?)
>
> However, I'm ok to to remove support for default values because of the
> possible
> problems outlined (confusion for end users, uncertainty how it'd work
> together with new
> features etc.). It seems that the replies are more on this side, so let's
> be a bit more
> conservative than I originally wanted to be, so that we have more freedom
> later.
>
> Actually, I have already updated the RFC with this. Also, I made some
> clarifications
> in connection with serialization and the usage of resources.
>


I repeat what I wrote before but all those problems would disappear if we
were to bind the proposal to visibility:
https://externals.io/message/108675#108753

We could even consider splitting "read" and "write" in two separate
keywords, each bound to visibility, isn't it?

Nicolas

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