On 28 July 2011 10:35, David Bruant <david.bru...@labri.fr> wrote: > Le 28/07/2011 06:21, Brendan Eich a écrit : >> >> == Handler access to proxies == >> >> Proxy handler traps need to receive the proxy as a parameter: first, or >> last? >> >> Last allows trap implementors to leave |proxy| off. It's also a compatible >> extension to the proposal and its prototype implementations. Putting |proxy| >> last may also steer implementors away from touching proxy, reducing the bugs >> where you infinitely diverge. >> >> First is more normal-order (proxy, name) and some find it more >> aesthetically pleasing. >> >> Another alternative: the proxy could be "passed" via a data property on >> the handler. > > I think we discussed already the idea of "proxy" being passed as a data > property to the handler and came to the conclusion that it may not be a good > idea, because it breaks the stratification. If two proxies use the same > handler as in [2], then, there is an ambiguity on what the value of this > property should be.
The solution we discussed is to simply use prototypes. That is, share handler methods by putting them on a (single) prototype object, and have per-proxy instances that carry the individual proxy references (or other per-proxy data, for that matter). /Andreas _______________________________________________ es-discuss mailing list es-discuss@mozilla.org https://mail.mozilla.org/listinfo/es-discuss
