[Bug 20019] Support subclassing ES6 Map

Brendan Eich brendan at mozilla.org
Wed Nov 21 01:21:32 PST 2012

Mark S. Miller wrote:
> Since Map and Set will be in ES6 and MultiMap is trivially
> implementable from these, we can wait until we see some experimental
> implementations before standardizing. Hence the ES7 target.

Same goes for Bag, only moreso, eh? ;-)


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