(x) => {foo: bar}

Brendan Eich brendan at mozilla.org
Tue Jan 6 15:57:39 PST 2015

Dean Landolt wrote:
> On Tue, Jan 6, 2015 at 3:57 PM, Marius Gundersen <gundersen at gmail.com 
> <mailto:gundersen at gmail.com>> wrote:
>     I don't see how wellLabeledStatement will protect against object
>     literals with shorthand properties, like (x, y, z) => {x, y, z}.
> It would "protect" against them by disallowing them without the paren 
> wrapping. A fail-fast SyntaxError beats the hell out of trying to 
> diagnose an almost imperceptible runtime bug.

No, Marius has a point here: there's no LABEL: before anything in {x, y, z}.


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