Re: using light userdata to keep full userdata alive?

["Javier Guerra" <javier@...>]

On 1/8/08, Norman Ramsey <nr@eecs.harvard.edu> wrote:
> The only way I can think of to do this is to use a weak table
> in which both keys and values are weak and the light userdata is the key,
> the heavy userdata is the value.  Is this the correct approach?
> Are there other possible approaches?

i guess it should be weak keys and strong values


-- 
Javier