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To: Rowan Collins <rowan.collins@gmail.com>
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Subject: Re: [PHP-DEV] [RFC]Discuss] Syntax for Arrow Functions
From: bjorn.x.larsson@telia.com (=?UTF-8?Q?Bj=c3=b6rn_Larsson?=)

Den 2017-06-08 kl. 15:34, skrev Rowan Collins:

> On 08/06/2017 13:33, Björn Larsson wrote:
>> One reason
>> (not the only one) for me to advocate ==> syntax is that it's the
>> same syntax as HACK
>
> I'm not a fan of this logic. Using Hack as a kind of 
> prototyping-ground for PHP features is fine, but since they don't have 
> the same decision-making process as us, we should be looking at the 
> *result* of their experience, not just following their lead. It may 
> seem a subtle difference, but to me "because that choice has worked 
> out well in Hack" is a much stronger argument than "because the small 
> team working on Hack chose it that way a few years ago".
>
> In this case, there's some reason to question if it *has* worked out 
> well in Hack, given that IIRC they had to hack (no pun intended) their 
> parser to implement it.
>
You have a good point here! I think one then should evaluate
both the implementation, which apparently is not so great and
how the feature itself has been received.

I mean is it heavily used and what is the user feedback? E.g. are
users happy with the syntax and how do they use it.

r//Björn