Re: [RFC] [Discussion] Short Closures
| From: | Derick Rethans | Date: | Tue, 01 Sep 2015 09:48:12 +0000 |
| Subject: | Re: [RFC] [Discussion] Short Closures | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-87990@lists.php.net to get a copy of this message | ||
On Mon, 31 Aug 2015, Bob Weinand wrote:
> I had this RFC in draft since some time, but delayed it due to all the ongoing PHP 7
> discussions. Also we have no master branch to merge features in until 5.4 EOL. Thus I'm
> reviving this now.
>
> Time for the first RFC targeting PHP 7.1 (assuming PHP 8 isn't going to be the next
> version ;-)):
>
> The short Closures RFC:
> https://wiki.php.net/rfc/short_closures
The RFC writes:
> The symbol ~> was chosen as it is a mnemonic device to help
> programmers understand that the variable is being brought to a
> function.
I don't see how this is a mnemonic. I am also struggeling seeing the
difference between -> and ~> in certain fonts.
> Currently Hack has implemented shorthand anonymous functions using the
> ==> symbol to define them.
> Additionally, ==> in Hack has slightly different semantics, hence we
> decided, it's better to not reuse that symbol
What are the difference in semantics?
Why not just copy the Hack semantics (and hence, then also use it's symbol)?
cheers,
Derick