Re: Userdata and GC activity

["Jerome Vuarand" <jerome.vuarand@...>]

2008/11/18 Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br>:
>> When a statement is closed (either on the C or Lua side), the pointer
>> in its userdata object is nulled.  All Lua wrappers check that it is
>> not null and error out.
>
> I usually remove the metatable from userdata objects that have been closed
> explicitly instead of storing NULL and checking.

Isn't that making the error message unclear if you later access the userdata ?