Destructuring of generators
arpad.borsos at googlemail.com
Sun May 25 05:21:20 PDT 2014
The destructuring assignment of the form
`[a, b, ...rest] = x` accepts any kind of iterator.
Which is great.
However, IteratorDestructuringAssignmentEvaluation of
AssignmentRestElement is defined such that it creates a new Array and
completely walks the iterator until its exhausted.
I’m not sure thats a good idea in case of generators. Of course one can
easily work around that by doing `[a, b] = gen; rest = gen;`. But that
takes away half the sweetness of the sugar :-) And the lazyness.
And you can’t use that pattern inside parameters.
Also, there is the obvious problem what happens if you pass an
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