On 4/30/15 6:20 PM, C. Scott Ananian wrote:
In English -- hide the real Set object so that nobody can get to it to mutate it.
Sure, but then Set.prototype.has.call() doesn't work on the ReadOnlySet. That might be OK, depending on how you're using it. But having a built-in ReadOnlySet would allow that to work.
-Boris _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

