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Date: Wed, 13 Mar 2019 16:37:40 -0400
Message-ID: <CAPKYkKw6YQLMmGM8gC0bZwfv=11dhjVXB7ds+BeDL99wHwwTTw@mail.gmail.com>
To: Travis van der Font <travis.font@gmail.com>
Cc: Nikita Popov <nikita.ppv@gmail.com>, PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="00000000000094112e0583ffc771"
Subject: Re: [PHP-DEV] [RFC] Arrow functions / short closures
From: chasepeeler@gmail.com (Chase Peeler)

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On Wed, Mar 13, 2019 at 4:26 PM Travis van der Font <travis.font@gmail.com>
wrote:

> Arrow functions are ternary operators to functions.
> While they are nice and shorten, they can be hard to read at times;
> considerably to people who aren't used to them which is surprisedly a
> majority of PHP programmers.
>
> Having them optional sure, but not necessary.
>
> Feel free to decide between fn() or f() as both are equivalently
> comprehensible to the same level of minimalism.
> Anyone considered? ($x) =3D> $x * $multiplier
>
> I use this format a lot in javascript, so I like not having any indicator=
.
I can't remember which language it was, but they didn't even require the
parentheses if there was only a single input:
$x =3D> $x * $multiplier;




> #mytwocents
>
> Kind regards / L=C3=A9if Gr=C3=A9iss,
> Travis van Font
>
>
> Le mer. 13 mars 2019 =C3=A0 16:57, Nikita Popov <nikita.ppv@gmail.com> a =
=C3=A9crit
> :
>
> > Hi internals,
> >
> > Motivated by the recent list comprehensions RFC, I think it's time we
> took
> > another look at short closures:
> >
> > https://wiki.php.net/rfc/arrow_functions_v2
> >
> > This is based on a previous (withdrawn) proposal by Levi & Bob. It uses
> the
> > syntax
> >
> >     fn($x) =3D> $x * $multiplier
> >
> > and implicit by-value variable binding. This example is roughly
> equivalent
> > to:
> >
> >     function($x) use($multiplier) { return $x * $multiplier; }
> >
> > The RFC contains a detailed discussion of syntax choices and binding
> modes.
> >
> > Regards,
> > Nikita
> >
>
--=20
-- Chase
chasepeeler@gmail.com

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