Re: How do you return multiple values?

[Mark Hamburg <mark@...>]

On Nov 4, 2009, at 12:35 PM, Patrick Donnelly wrote:

> Use:
>
> function b()
>  local t = pack(pcall(a));
>  if not r[1] then error("something") end
>  return unpack(r, 2, r.n)
> end
>
> (this is what Roberto's code meant to be I think)
>
> Note there is no closure cost here.

But there is the cost of the pack which may actually be higher  
depending on how many results you are dealing with v how many upvalues.

Mark