Re: Can userdate have references to lua objects?

[Peter Shook <pshook@...>]

With Lua 5.0 you could use a simple wrapper function:

local refs = setmetatable({}, { __mode = 'k' })

function CreateFont(bmp)
  local font = gfx.CreateFont(bmp)
  refs[font] = bmp
  return font
end

- Peter Shook

Tobias Käs wrote:
> Is it possible for userdata to tell the GC it has a (native) reference 
> to another userdata object, and so prevent the GC to collect it?
> Here's an example how i thought to use it:
>