Newsgroups: php.internals
Path: news.php.net
Xref: news.php.net php.internals:105967
Message-ID: <B9D57296-5531-49FE-A404-67F560EB29E7@benramsey.com>
Content-Type: multipart/signed;
	boundary="Apple-Mail=_F344948A-48F1-42DF-A99D-003881599B41";
	protocol="application/pgp-signature";
	micalg=pgp-sha256
Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\))
Date: Mon, 17 Jun 2019 14:36:03 -0500
In-Reply-To: <cmu-lmtpd-2643086-1560793836-1@sloti5d1t29>
Cc: internals@lists.php.net
To: Mark Randall <markyr@gmail.com>
References: <CAOv67gumG=mdj1Nr=uXtRTSdxGOMEu8=TZizdpgf5AsoaRVGDg@mail.gmail.com>
 <cmu-lmtpd-802696-1560686682-0@sloti5d1t29>
 <D815D697-1348-4E6D-92C9-C4ED7CA3F852@benramsey.com>
 <cmu-lmtpd-2643086-1560793836-1@sloti5d1t29>
Subject: Re: [PHP-DEV][RFC] Alternative "use" syntax for Closures
From: ben@benramsey.com (Ben Ramsey)

--Apple-Mail=_F344948A-48F1-42DF-A99D-003881599B41
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=utf-8

> On Jun 17, 2019, at 12:50, Mark Randall <markyr@gmail.com> wrote:
>=20
> On 17/06/2019 15:40, Ben Ramsey wrote:
>>> Where "use (...)" would auto-capture all of the used variables in a =
similar manner to short closures, that would certainly save a bit of =
time.
>=20
>> Would this mean that all variables in the =E2=80=9Cparent" are now =
available in the =E2=80=9Cchild?=E2=80=9D This seems like it could =
result in some unexpected surprises as scope =E2=80=9Cleaks=E2=80=9D =
across these boundaries.
>=20
> Just the ones which are used, like short closures.


I see. So it would figure it out based on scope and only use those =
variables that are explicitly used. This is somewhat similar to the way =
$this works in closures today. I think I would be okay with this =
functionality, especially if this is how short closures work.

-Ben

--Apple-Mail=_F344948A-48F1-42DF-A99D-003881599B41
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename=signature.asc
Content-Type: application/pgp-signature;
	name=signature.asc
Content-Description: Message signed with OpenPGP

-----BEGIN PGP SIGNATURE-----

iHUEAREIAB0WIQToXQMR3fpbrPOmEOewLZeYnIwHGwUCXQfrowAKCRCwLZeYnIwH
G3VoAP4qy8+Z2TtsqXbqMzzhM4YT0S+wlIQMYmaxIq6C/R3y0gD9Fd5j3i9Cy7AS
PMY4G7s+ot7bBB6MdlT4eEnYkfDrW3g=
=dhA+
-----END PGP SIGNATURE-----

--Apple-Mail=_F344948A-48F1-42DF-A99D-003881599B41--