Re: returning userdata

[Peter Shook <pshook@...>]

What you want is something like the old lua_pushusertag.  This should 
give you sime ideas:

http://lua-users.org/lists/lua-l/2001-09/msg00121.html

- Peter Shook

Enno Rehling wrote:
> I want to write a "next" handler in teh "index" metatable that will 
> return a userdata object. However, I've figured out from the manual and 
> experimentation that I can't just do a lua_pushlightuserdata(L, 
> d->next), because light userdata doesn't have a metatable, and if I 
> write print(a.next.x), lua complains that I'm using an index function of 
> a.next, which is light userdata. How do I make my "next" handler return 
> non-light userdata? I don't want to create a new userdata object, 
> because what I want to return is the actual object that's behind the 
> ->next in C.