Membranes, unmediated access to objects through Object.getPrototypeOf

Brendan Eich brendan at
Wed Oct 10 14:18:32 PDT 2012

Tom Van Cutsem wrote:
> We should also be wary of adding even more Proxy constructors, as 
> we'll otherwise end up with a combinatorial explosion (revocable 
> branded proxies, branded proxies with a symbol whitelist, etc.)

But didn't David find a way to avoid Proxy.revocable, namely make 
revocation swap in an all-throwing-traps handler?

Just trying to keep up here (and hoping we indeed avoided a revocable 
proxy constructor).


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