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On 2019-10-08 10:04 a.m., Roberto Ierusalimschy wrote:
> >Any function where you have to distinguish between nil and false in the
> >return value seems a very bad idea. The standard library always avoided
> >that, and will continue to do so.
> >
> >-- Roberto
> >
> next({[false]=true})?

You are right. This function is in Lua since version 1.0. It probably
would have a different API today. (It also spoiled the generic for.)

-- Roberto

Would it be time to start looking to a Lua 6?