Re: metatable for the registry?

[Josh Haberman <jhaberman@...>]

Josh Haberman <jhaberman <at> gmail.com> writes:
> Roberto Ierusalimschy <roberto <at> inf.puc-rio.br> writes:
> > > Is setting a metatable on the registry supported?  Should it be?
> >
> > The registry is a regular table, so you can set a metatable for it.
> 
> Interestingly enough, I just ran into the opposite problem.  It appears
> that my __gc method isn't respected when I do the C equivalent of:
> 
> setmetatable({}, {__index = {__gc = foo}})
> 
> Lua only seems to find __gc when it is set directly on the metatable.
> It doesn't find it via __index.

To clarify, in C it is indeed a userdata I am setting the metatable on,
not a table as in the faux Lua example above.

Josh