Re: Change value of upvalue from within function

[Rob Hoelz <rob@...>]

An upvalue index is just like a regular stack index, so you can use
lua_replace with it:

  lua_newtable(L);
  lua_replace(L, lua_upvalueindex(1));

-Rob

On Wed, 22 Aug 2012 15:52:12 -0600
Eric Tetz <erictetz@gmail.com> wrote:

> If I have a C function called by Lua. It has an upvalue and I'd like
> to change it's value. Possible?
> 
>    static int closure_that_has_upvalues( lua_State* L )
>    {
>        ...
>        // how can I change the value of, say, the upvalue at
> lua_upvalueindex(1)?
>

Attachment: signature.asc
Description: PGP signature