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Mark Hamburg wrote:
By the way, even as I mull/critique/evaluate the environment changes,
I have to say I'm really, really happy about yieldable pcall (and
> iterators and metamethods) though I think its going to be a bit
> "interesting" providing a clear explanation of how to program with the
> continuation APIs.

I'm also quite happy to see ephemeron tables introduced though I
> suspect one should still probably try to avoid creating semi-weak
> tables since the ephemeron logic is potentially quadratic.

Also, emergency gc is very good news for embedded developers. I often had to worry about the most remote worst-case transient memory usage.