On Fri, Oct 18, 2013 at 8:06 PM, Brandon Benvie <[email protected]> wrote: > On 10/18/2013 11:01 AM, Allen Wirfs-Brock wrote: >> >> What your question does help me be more decisive on: We should not be in a >> rush to add an Invoke, InvokeFunction, or any new traps not needed for >> membranes, and not subject to a long history of examination. Invoke at >> least, as a derived trap, can always be added later, after ES6. > > > Isn't there observably different behavior different depending on whether > invoke exists or not? Even if you don't implement it in your handler? If > that's the case, then it's not guaranteed that it can be added later down > the line.
I share this concern. Last time we discussed it, Brendan said that we could implement it by falling back to .get if .invoke isn't defined[1]. I'm not sure how well that fits into the rest of the Proxy design, though. [1]: https://mail.mozilla.org/pipermail/es-discuss/2013-September/033610.html > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
