Expression is .comma expression so can't be used without fatal ambiguity: is [a,,b] [(a,b)] or [(a), (b)]? It's the latter by using AssignmentExpression. If it were PrimaryExpression, ever expression using a binary operator would need to be parenthesized.
Is the "Dragon Book" still in print? Recommended. /be On Sun, Oct 29, 2017 at 5:49 AM Uncloud Group <[email protected]> wrote: > The first example was meant to be [ a, b ]. Sorry. > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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