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Date: Mon, 17 May 2021 18:47:31 +0300
Message-ID: <CAAwdEzBhR+hPLkRORa_pPZV-kqJdNNnJS23aPKjJ2xO-DKhU3g@mail.gmail.com>
To: Guilliam Xavier <guilliam.xavier@gmail.com>
Cc: Levi Morrison <levi.morrison@datadoghq.com>, Mike Schinkel <mike@newclarity.net>, 
	Hossein Baghayi <hossein.baghayi@gmail.com>, php internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC] Partial function application
From: drealecs@gmail.com (=?UTF-8?Q?Alexandru_P=C4=83tr=C4=83nescu?=)

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On Mon, May 17, 2021 at 6:36 PM Guilliam Xavier <guilliam.xavier@gmail.com>
wrote:

> On Mon, May 17, 2021 at 5:01 PM Levi Morrison <levi.morrison@datadoghq.com
> >
> wrote:
>
> > Joe Watkins has successfully worked out some bugs that also enable
> > more powerful behavior. Thanks to Nikita and any others who worked
> > with Joe on fixing these issues and reviewing the PR.
> >
> > The short of it is that re-ordering parameters when using named
> > placeholders is now technically possible. We will send an update when
> > the RFC and implementation are ready for re-review.
> >
>
> That's great news!
>
> By the way, I forgot to add that another syntax might also be clearer when
> binding a value to a named parameter, e.g.:
>
> ```
> function f($a, $b, $c, $d, $e) {/*...*/}
>
> /* We want to bind value 4 to param "d" */
>
> // with current syntax:
> $p = f(?, d: 4); /* or f(?, ?, ?, 4) */
>
> // with another hypothetical syntax:
> $p = *f(d: 4);
> ```
>
> Anyway, looking forward to your update =)
>
> Thanks,
>
> --
> Guilliam Xavier
>

Hey Guilliam,

adding a special character like * or ? before the function name is
not going to work.
It might look good for *f() but it has the same issues as casting.

You should be able to have with the current version a code like
$actionGenerator->getDriveAction()('home', ?)
You can't really put the * or ? before the function name here.

Maybe having it just before the parenthesis would work.

Regards,
Alex

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