On Jan 16, 2012, at 11:09 AM, Brendan Eich wrote:
> With completion values as In ES1-5, not even depending on
> http://wiki.ecmascript.org/doku.php?id=harmony:completion_reform, it might be
> enough to say:
You're right, according to ES 5 semantics this does provide "early" as the
value of the labelled block.
>
>
> foo {||
> exit: {
> ...
> if (...) {
> "early";
> break exit;
> }
> ...
> }
> }
>
>
> IINM this would work. Sugaring it using 'with' looks nice -- always tempting
> to re-use 'with'.
and if fact it does work in the browsers I tested (without the block lambda),
so I was wrong when I said there was no way to supply the completion value. But
the sugaring is much more explicit.
>
> I have some angst about loss of a hunk of code running "break L" up against "
> with (E)\nS" where E is an expression and S is a statement and the two came
> from a bone-fide with statement later in the unmangled source.
that's why I would require a [no LineTerminator here] before the with clause of
a break statement
>
> /be
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