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- Subject: Re: Is it normal that luaL_checkudata() makes my program to dye
- From: Javier Guerra Giraldez <javier@...>
- Date: Tue, 1 May 2018 22:51:56 +0100
On 1 May 2018 at 22:36, Laurent FAILLIE <l_faillie@yahoo.com> wrote:
> Hello,
>
> Reading example in https://www.lua.org/pil/28.2.html, I guessed that
> luaL_checkudata() only return a NULL pointer if the argument doesn't match
> an user data of the given type.
> But unfortunately, it raise a fatal error :
try luaL_testudata() [1]
[1]: https://www.lua.org/manual/5.3/manual.html#luaL_testudata
