On 30 November 2005 01:41, Sara Golemon wrote:
> , I'd like to turn the topic to a completely
> different language
> feature which (might) please enough people to get a rousing consensus.
>
> Actual labeled breaks. Not the break+jump that was proposed
> earlier in the
> guise of a break statement, but an actual straightforward, no
> funny-business labeled break which does no more and no less than the
> current break N; construct, but allows the use of identifier labels
> rather
> than numbers which
> may change as the result of the addition or removal of break
> containers.
Well, as this is exactly what I proposed just yesterday, I'm + several thousand for it (modulo my fairly nonexistent karma!). I'd love to see this implemented regardless of what happens to goto, as I completely don't care whether PHP has goto or not.
>
> http://libssh2.org/patches/true_labeled_break.diff
>
> Usage:
>
> while FOO ($condition) {
> /* statements */
> break FOO;
> /* more statements */
> }
>
> Or a stacked example:
>
> for FOO(;;) {
> while BAR (true) {
> foreach BAZ ($arr as $val) {
> switch Foof ($value) {
> default:
> do Plop {
> break FOO;
> } while (false);
> }
> }
> }
> }
I'm fairly agnostic on which syntax to use, although I see some benefit in distinguishing break labels from goto labels. I do quite like the "as" suggestion -- it seems really clear and readable.
> * Labels can be repeated by siblings. I'm not married to this, and it
> certainly has WTF potential.
Mmmm -- not too sure about this. As you say, it possibly has slightly too much WTF potential.
> * Labeled breaks also apply to continue; For example:
Of course. I thought that went without saying. ;)
Cheers!
Mike
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