On Apr 25, 2014, at 4:24 AM, Andreas Rossberg <[email protected]> wrote:
> The way destructuring assignment currently is specified leads to
> rather inconsistent evaluation order. Consider:
>
> let o = {}
> function f() { print(1); return o }
> function g() { print(2); return 5 }
>
> f().x = g() // 1, 2
> {a: f().x} = {a: g(}} // 2, 1
>
> That is, destructuring assignments violate the left-to-right
> evaluation that is otherwise maintained.
>
I don’t believe that there is any reason to break from left-to-right evaluation
order. Even if it was uncommon it’s still an unnecessary hazard.
Spec bug maybe?
—Oliver
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