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Use lua_pushvalue()

On 8/16/07, David Dunham <> wrote:
> I'm in C, and want to copy all fields from one table into another
> one. Sort of the moral equivalent of
> for k,v in pairs(a) do b.k = v end
> (which I don't think is correct in Lua).
> It seems like lua_next would be the way to iterate the table and get
> its keys and values -- it leaves them on the stack in such a way
> everything is ready for a call to lua_settable. But that pops the
> key, so that I can't then make the next lua_next call. (And I can't
> just push the key an extra time after lua_next, because then
> lua_settable wouldn't work.)
> Am I missing something?
> David Dunham   Macintosh Game Developer
> GameHouse Studios     +1 206 926 5722
>      "They said it couldn't be done but sometimes it doesn't
>       work out that way." -- Casey Stengel