Hi Kosit,
śr., 16 paź 2019 o 09:41 Kosit Supanyo <webdevxp....@gmail.com> napisał(a):
> Hi Michal
>
> I'had the idea similar to your RFC but instead of using `switch` keyword I
> think introducing `when` keyword is better. (as I know a language that uses
> this keyword is Kotlin)
>
> $result = when ($v) {
> 'foo' => 1,
> 'bar' => 2,
> 'x', 'y', 'z' => 3,
> default => null,
> };
>
> Above you can see that `when` syntax is more semantic than `switch`. And
> it is easier to implement in parser because it has no statement/expression
> ambiguity.
>
> But this might not be preferred by BC camps because introducing a new
> keyword might break BC.
> And if `switch` is chosen I still think the syntax should be comma
> separated instead of semicolon separated for consistency with other list
> expressions (array/function call).
>
> $result = switch ($v) {
> case 'foo' => 1,
> case 'bar' => 2,
> case 'x', 'y', 'x' => 3,
> default => null,
> };
>
That's exactly my proposal with commas, see here:
https://wiki.php.net/rfc/switch-expression-and-statement-improvement#switch_expression_introduction
Unfortunately, this RFC needs more work cause it mixes switch statement
enhancement with comma-separated list syntax and of switch statement - I
need to split it into two RFC's
This is nice hearing that this idea has an interest.
As soon as the RFC will be split and finished I can start a discussion
thread.
Cheers,
Michał Brzuchalski
