On Sunday, 2011-06-12 at 23:18 , Brendan Eich wrote: > On Jun 12, 2011, at 2:22 AM, Irakli Gozalishvili wrote: > > > Hi, > > > > Is there anything else (other than starting this thread) I can do to make > > committee consider `Function.prototype.extend` as an alternative to a > > proposed class sugar ? > > Could you show Function.prototype.extend again,
Here is gist I wrote before: https://gist.github.com/986487#file_implementation.js > and say how it solves the super-construct and super-method-call problems? > I don't have any (in js implementable solution) for those problems, also I think sugar for `super` can be a separate thing. Gist contains example with super that behave exactly the same as in harmony proposal for classes. > > /be > > > > > Thanks > > -- > > Irakli Gozalishvili > > Web: http://www.jeditoolkit.com/ > > Address: 29 Rue Saint-Georges, 75009 Paris, France (http://goo.gl/maps/3CHu) > > > > > > On Tuesday, 2011-05-24 at 24:48 , Brendan Eich wrote: > > > > > On May 23, 2011, at 11:25 AM, Bob Nystrom wrote: > > > > > > > One thing I'd like the proposal to support, which it doesn't currently, > > > > is initializers on instance property declarations. Then you could do: > > > > > > > > > class C { > > > > > public _list = []; > > > > > > > > > > > > > > > } > > > > > > > > > > > > > > > > > > > > > > > > > > > With that, you'll correctly get a new _list on each instance of C when > > > > it's created. > > > But (we've argued, I forget where so repeating it here), this looks like > > > [] is evaluated once when the class declaration is evaluated. That is not > > > what you intend. > > > > > > Then at some point (in the last thread on this) I remembered parameter > > > default values, but they cover only missing parameters to the > > > constructor. This _list member could be private. But it has to be > > > initialized in a body that executes once per instantiation, which is not > > > the class body -- it's the constructor body. > > > > > > /be > > > _______________________________________________ > > > es-discuss mailing list > > > [email protected] (mailto:[email protected]) > > > https://mail.mozilla.org/listinfo/es-discuss > > > > _______________________________________________ > > es-discuss mailing list > > [email protected] (mailto:[email protected]) > > https://mail.mozilla.org/listinfo/es-discuss >
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