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On Fri, Dec 18, 2009 at 6:13 PM, Francesco Abbate <> wrote:
> I would have liked to not touch the beautiful structures of my C++
> classes and let Lua GC be aware of the cross-references.

well, if you're using C++, all this could be abstracted with a small
mixin class, or a template, or a common superclass for all your
shared-data objects.

any of these make the shared data semantics largely invisible, with
roughly the same extra cost as the 'stupid unsiged ref_count'.  :-)