I guess it’s probably a misunderstanding. I was saying that a feature like lightweight traits is probably impossible to desugar to es5, if class syntax makes properties and methods non-enum.
> On Dec 24, 2014, at 1:50 PM, Gary Guo <[email protected]> wrote: > > Object.defineProperty could easily do that. > > >From: [email protected] <mailto:[email protected]> > >Date: Wed, 24 Dec 2014 13:33:24 +0800 > > > >Although I guess it’s not very easy to desugar to es5 if there is no way to > >enumerate prototype methods/properties. (probably impossible?)
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