Le 03/04/2011 10:12, David Bruant a écrit : > Le 03/04/2011 02:11, Brendan Eich a écrit : >> On Apr 2, 2011, at 4:19 PM, David Bruant wrote: >> >>> I have the feeling that none of these can help out with multiple >>> inheritance. This is the problem I want to address. >> Why? I mean, given the WebIDL and DOM changes. > Because people want it; Node+EventTarget wasn't the only use case. I'll > take the number of article that pop up when typing "multiple inheritance > javascript" on Google as a proof. > Basically, people all do mixins which prevents them from using > instanceof. They often acknowledge that it is the only limitation [1] > [2] [3]. I have even seen people implementing an isInstanceOf function > [2] [3]. With the ability to trap all prototype-climbing traps, proxies will be used to implement multiple inheritance [4]. Yet, instanceof won't be of any help to detect the multiple inheritance.
> My initial proposal was an attempt to address this issue. > > > >>> Is multiple inheritance a use case that TC39 intends to address in a >>> generic manner? >> No. > It clarifies things. Thank you. > > David > > [1] > http://webreflection.blogspot.com/2009/06/wait-moment-javascript-does-support.html > [2] http://www.polyglotinc.com/AJAXscratch/Class/InterfacesFromScratch.html > [3] > http://www.steinbit.org/words/programming/multiple-inheritance-in-javascript > Taken from the 6 first Google search results for "multiple inheritance > javascript" [4] http://journal.stuffwithstuff.com/2011/02/21/multiple-inheritance-in-javascript/ _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
