Allen Wirfs-Brock wrote:
For array patterns we would need to allow property assignments in array
literals:
>
> let [b, 0:{x,y}] = ...;
>
> This was proposed at one point, IIRC, but a while ago.
Of course, one could destructure like so:
let {0: b, 0: {x, y}} = ...;
It was also suggested that we allow iterators/generators to supply the
initialization values to array destructurings. This currently isn't in the
draft spec. and I think it would introduce some fairly significant
specification and practical complications (eg, rest bindings and open-ended
generators).
Destructuring patterns should be static. I don't see a conflict if we
stick to this rule, but given the ability to use an object pattern, I
don't see a need for the array literal element label syntax either.
/be
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