WeakMap better than Private Symbols? (was: direct_proxies "problem")

Rick Waldron waldron.rick at gmail.com
Thu Jan 10 11:57:46 PST 2013


On Thu, Jan 10, 2013 at 11:22 AM, Nathan Wall <nathan.wall at live.com> wrote:

>     // ES6 WeakMap
>
>     let timeMap = new WeakMap(),
>         // Store WeakMap methods to maintain integrity of the internal
> state.
>         WeakMapGet = Function.prototype.call.bind(WeakMap.prototype.get),
>         WeakMapSet = Function.prototype.call.bind(WeakMap.prototype.set);
>


Just a heads up, this is unnecessary and actually won't work at all.
WeakMap has nothing defined on its prototype property—all methods are
late-bound to the instance for the same reason you mention in the comment.
https://gist.github.com/4505255

Rick
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