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Date: Wed, 31 May 2017 15:11:12 +0100
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Message-ID: <53B738B2-34F3-4507-A199-607E4C22E4E9@gmail.com>
Subject: Re: [PHP-DEV] [RFC]Discuss] Syntax for Arrow Functions
From: rowan.collins@gmail.com (Rowan Collins)

On 31 May 2017 14:48:03 BST, Levi Morrison <levim@php=2Enet> wrote:
>On Wed, May 31, 2017 at 7:36 AM, Rowan Collins
><rowan=2Ecollins@gmail=2Ecom> wrote:
>> I was just pondering alternative approaches to stop the =3D> token
>being ambiguous, and wondered if surrounding the whole expression with
>braces could work:
>>
>> { =3D> $bound * 2 }
>> { $a, $b =3D> $a * $b }
>
>This does not work=2E We permit expressions as statements and we also
>allow empty blocks:
>
>    {
>        $a =3D $foo;
>    }
>
>These will conflict in the grammar=2E

Yeah, I wondered if that would be the case, but don't know enough about ho=
w parsers work to be sure one way or the other=2E It's not ambiguous, becau=
se the =3D> wouldn't be legal there, but I guess it's "too late" by the tim=
e that token is reached=2E :(

Regards,

--=20
Rowan Collins
[IMSoP]