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Date: Tue, 24 Jul 2012 23:48:57 +0800
To: Andrew Faulds <ajf@ajf.me>
Cc: internals@lists.php.net
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In-Reply-To: <500EC19B.3040906@ajf.me>
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 <500EC19B.3040906@ajf.me>
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Subject: =?utf-8?Q?=E5=9B=9E=E5=A4=8D=EF=BC=9A_?=[PHP-DEV] [RFC]
 Proposal namespace importing with from syntax
From: reeze.xia@gmail.com (Reeze)

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Hi Andrew,

=E5=9C=A8 2012=E5=B9=B47=E6=9C=8824=E6=97=A5=E6=98=9F=E6=9C=9F=E4=BA=8C=EF=
=BC=8C=E4=B8=8B=E5=8D=8811:39=EF=BC=8CAndrew =46aulds =E5=86=99=E9=81=93=EF=
=BC=9A

> On 24/07/12 16:35, Reeze wrote:
> > Hi, internals,
> > I'm proposing a improvement to namespace importing. when using 'use' =
statement to import
> > many classes, we have to duplicate many times even we are importing f=
rom the same namespace.
> > =20
> > I propose a new syntax to import classes=5Cfunctions=5Cconstant in a =
single statement.
> > =20
> > here is the example:
> > =20
> > <=3Fphp
> > // reduce
> > use GlobalNamespace=5CSubSpace=5CThirdSpace=5CClass1;
> > use GlobalNamespace=5CSubSpace=5CThirdSpace=5CClass2;
> > use GlobalNamespace=5CSubSpace=5CThirdSpace=5C=46orthSpace=5CClass3;
> > // to
> > from GlobalNamespace=5CSubSpace=5CThirdSace use Class1, Class2 as Ali=
as2, =46orthSpace=5CClass3 as Alias3;
> > =3F>
> > =20
> > The above code should be self-explained.
> > =20
> > More info could be found at the R=46C page and the patch.
> > =20
> > R=46C: https://wiki.php.net/rfc/namespace-importing-with-from
> > PATCH : https://github.com/reeze/php-src/compare/rfc-from-use
> > =20
> > Any Opinion, suggestion, improvement will be much appreciated.
> > =20
> > Thanks
> Ah, so something a la python's from x import y, z=3F Sounds good. Somew=
hat =20
> surprised we don't already have this.
> =20
> One comment: =22use Class1, Class2 as Alias2, ... ;=22 confuses me a bi=
t. I =20
> read it as =22use (Class1, Class2) as Alias2, ... ;=22. //Perhaps this =
is
> =20
> =20

It means use Class1 **and** use Class2 but aliased with name Alias2 etc.
It almost the same as bare 'use' statement, but with a common prefix :)

Thanks
> =20
> just a formatting issue (with newlines it would be more clear), but it =
=20
> looks a little weird to me.
> =20
> Just my 2=C2=A2.
> =20
> -- =20
> Andrew =46aulds
> http://ajf.me/
> =20
> =20



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