> Le 19 mai 2016 à 18:46, John Lenz <[email protected]> a écrit : > > It is a parser problem: > > obj.prop?.2:.1 > > You need arbitrary look ahead to disambiguate ?. from ?: solve the problem.
No, you just need a one-character lookahead checking for a digit. The response of the original question is "mu", because it *is* possible. —Claude > > On Tue, May 10, 2016 at 10:32 AM, <[email protected] <mailto:[email protected]>> > wrote: > Why isn't it possible to use the obj.property?.sub syntax in combination with > lookahead as suggested by Brendan Eich 4 years ago? > > http://wiki.ecmascript.org/doku.php?id=strawman:existential_operator > <http://wiki.ecmascript.org/doku.php?id=strawman:existential_operator> > > > _______________________________________________ > es-discuss mailing list > [email protected] <mailto:[email protected]> > https://mail.mozilla.org/listinfo/es-discuss > <https://mail.mozilla.org/listinfo/es-discuss> > > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss
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