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> On Jul 12, 2015, at 7:03 AM, Peter Aronoff <> wrote:
> The reason the difference matters to me is that someone who writes a random or
> otherwise noncommutative method is (definitely) doing it to themselves. But at
> least in previous versions of Lua, the language required basic safeguards by
> requiring that both operands "share the same metamethod".[1]
> Thanks, Peter

You can of course simulate this behavior from the metamethod.