Re: lstrlib.c initialization - why createmetatable?

[Henk Boom <henk@...>]

On 18 April 2010 11:18, Ralph Hempel <rhempel@bmts.com> wrote:
> That was the missing piece. Just create a dummy string and set the one
> and only metatable entry (__index) to nil allows the string library to
> be garbagecollected and removed from my special weak-keyed _LOADED
> registry table that I create in my main() before any of the standard
> libraries are loaded.
>
> More importantly, it allows me to reload the string library when I
> need to. Previous versions would not reload a library if it is already
> in _LOADED because the old __index metamethod was preventing the
> metatable from getting reclaimed.

What happens if 'string' is re-loaded before the garbage collector
runs, so that it is still in _LOADED?

    henk