Domenic Denicola (2013-09-26T22:51:37.000Z)
> On Sep 26, 2013, at 18:49, "Yehuda Katz" <wycats at gmail.com> wrote:
> 
> Private state doesn't satisfy these requirements because they trap on the wrong side of the proxy.

Agreed, in many cases I don't want private state; I *want* something that can be copied by Object.mixin, for example. For private state, weak maps are fine, and used today already.
domenic at domenicdenicola.com (2013-10-13T02:31:19.977Z)
On Sep 26, 2013, at 18:49, "Yehuda Katz" <wycats at gmail.com> wrote:

> Private state doesn't satisfy these requirements because they trap on the wrong side of the proxy.

Agreed, in many cases I don't want private state; I *want* something that can be copied by Object.mixin, for example. For private state, weak maps are fine, and used today already.