Re: checking userdata type from lua

["Alex Queiroz" <asandroq@...>]

Hallo,

On 5/18/06, Daniel Collins <daniel.collins@internode.on.net> wrote:
> In the C methods operating on the userdata, I can use luaL_checkudata to
> verify that the userdata is the correct type. Is there any analogous way
> to do this on the lua side? Just doing 'type(object) == "userdata"' is
> not sufficient, since that doesnt distinguish a Button from any other
> userdata type.

    You can do what luaL_checkudata does: check if the object's
metatable is equal to the metatable of the "type".

--
-alex
http://www.ventonegro.org/