classes and enumerability

Glen Huang curvedmark at
Tue Dec 23 22:02:20 PST 2014

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 <nbdd0121 at> wrote:
> Object.defineProperty could easily do that.
> >From: curvedmark at <mailto:curvedmark at>
> >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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