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On Tue, Nov 24, 2015 at 6:34 PM, Roberto Ierusalimschy <> wrote:

> I don't think ref couting is a viable option. It has problems with cycles and it is slow.

Cycles: my proposal was ref counting PLUS GC. This takes care of cycles. Circularly referenced objects will not have deterministic finalization.

Slow: I have something to say about the performance of ref counting, but before even going there, what I would really like to understand is whether there are any non-performance arguments against RC + GC in Lua?