@@toStringTag spoofing for null and undefined
brendan at mozilla.org
Tue Jan 20 15:13:37 PST 2015
Mark S. Miller wrote:
> (2) can't be meta-programmed to spoof identity. But it doesn't
> leave anything like nominal types as found in many languages lying
> around as an attractive nuisance (and how, in Java!).
> What I think I remember hearing from Tom is that Dave's main point,
> and the main argument with Tom, was precisely allowing proxies to
> intercede on === checks, in which case you wouldn't even have that as
> a reliable indicator.
Hmm, maybe -- but does Self have a reference-identity
equivalence-relation operator that can't be spoofed? Might help to ask
David, but to abstract from that particular SPLASH 2011 Q&A, obviously
we won't be enabling such fakery in JS.
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