Re: Recursive functions in Lua 4

[Rob Kendrick <lua-l@...>]

On Thu, 21 May 2009 13:00:56 -0300
Ignacio Burgueño <ignaciob@inconcertcc.com> wrote:

> Hi. I have to maintain some Lua 4 code, and I have no idea how to
> make a local function call itself.
> In the following code, I'd like to make G local to the function F. Is 
> this possible?
> 
> function F()
> 
>     G = function(value)
>         if value == 10 then
>             return "stop"
>         end
>         return G(value + 1)
>     end
>    
>     print( G(1) )
> end

Yes.  Declare the local variable before assigning to it;

function F()
	local G
	G = function(value)
		if value == 10 then
			return "stop"
		end
		return G(value + 1)
	end

	print( G(1))
end

B.