What's the use case for weak maps? What would you do with it that currently impossible and why is the workaround (if any) problematic enough to warrant a weak map implementation?
There's been quite a bit of discussion because of it. Especially in the area of covert channels and garbage collection. Yet I've missed the major cases for wanting it in the language in the first place. Google doesn't seem to help me much here. I don't need an in depth explanation of what weak maps are, just practical reasons for wanting it opposed to what's already possible... thanks :) - peter
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