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Date: Thu, 10 Nov 2016 09:52:33 +0000
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To: Niklas Keller <me@kelunik.com>
Cc: "Christoph M. Becker" <cmbecker69@gmx.de>, Joe Watkins <pthreads@pthreads.org>, 
	=?UTF-8?Q?Micha=C5=82_Brzuchalski?= <michal@brzuchalski.com>, 
	PHP Internals List <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC][VOTE] Object typehint
From: petercowburn@gmail.com (Peter Cowburn)

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On 10 November 2016 at 09:11, Niklas Keller <me@kelunik.com> wrote:

> 2016-11-09 21:53 GMT+01:00 Christoph M. Becker <cmbecker69@gmx.de>:
>
> > On 09.11.2016 at 17:28, Joe Watkins wrote:
> >
> > >     I want to explain why I voted no on this:
> > >
> > >     I think it's significantly less useful without variance, variance
> is
> > > something that is usually difficult to achieve in PHP, but not for th=
is
> > > feature in particular.
> >
> > Can you please elaborate what you mean with variance?  I see some
> > practical use cases for covariance of a method with return type object,
> > but I don't see how contravariance could be achieved for parameters of
> > type object.
> >
> > If your suggestion is only about invariance of object return types, I'm
> > not sure if this very special case would make sense (for consistency
> > reasons).
> >
>
> We already have it for iterable -> array. We would have it for all other
> types if there wouldn't be an implementation issue.
>
> Regards, Niklas
>
> Cheers,
> > Christoph
> >
> > >     I absolutely want it, but I want it to be properly useful.
> > >
> > >     If the RFC were halted and patched to include variance, I'd +1 it=
.
> > >
> > > Cheers
> > > Joe
> > >
> > > On Sun, Nov 6, 2016 at 5:28 PM, Micha=C5=82 Brzuchalski <michal@brzuc=
halski.
> > .com>
> > > wrote:
> > >
> > >> Hi everyone,
> > >>
> > >> Two weeks have passed since this RFC was put to discussion here.
> > >>
> > >> Therefore, I'm going to put it to a vote for inclusion in PHP 7.2.
> > >>
> > >> Voting starts today, 2016-11-06, and will close after two weeks on t=
he
> > >> Sunday 2016-11-20 at midnight.
> > >>
> > >> The RFC and voting widget can be found here:
> > >> https://wiki.php.net/rfc/object-typehint
>

The vote appears to be closed right now, did I miss an announcement?


>
> > >>
> > >> It's a normal 2/3 majority required vote.
> > >>
> > >> Thanks!
> > >> --
> > >> regards / pozdrawiam,
> > >> --
> > >> Micha=C5=82 Brzuchalski
> > >> about.me/brzuchal
> > >> brzuchalski.com
> > >>
> > >
> >
> >
> > --
> > PHP Internals - PHP Runtime Development Mailing List
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>

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