RE: Metatables are "hard" (Re: Question about __index and classes)

[Richter, Jörg <Joerg.Richter@...>]

> In Lua you cannot sandbox a metatable away. An offending script still
> might just call getmetatable.

Then use __metatable:

http://www.lua.org/manual/5.1/manual.html#pdf-getmetatable

   Jörg