On Wed, May 31, 2017 at 7:36 AM, Rowan Collins <rowan.coll...@gmail.com> wrote:
> On 30 May 2017 18:58:14 BST, Levi Morrison <le...@php.net> wrote:
>>Internals,
>>
>>The previous discussion thread has died down significantly and so I'd
>>like to start a new one to refocus. This message has some redundant
>>information by design so people don't have to reference the other
>>thread so much.
>>
>>Based on the discussion there are a few different syntax choices
>>people liked. Overall it's a feature that people seem to want but
>>everyone seems to prefer a different syntax choice.
>
> I was just pondering alternative approaches to stop the => token being
> ambiguous, and wondered if surrounding the whole expression with braces could
> work:
>
> { => $bound * 2 }
> { $a, $b => $a * $b }
>
> I believe this eliminates the ambiguity with array notation, and is more
> concise than pretty much every alternative. I'm my opinion, grouping the
> arguments and body would make it more readable in context, as well.
This does not work. We permit expressions as statements and we also
allow empty blocks:
{
$a = $foo;
}
These will conflict in the grammar.
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