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Cheesy but how about:

function a() end
function b() g=1 end

=string.len(string.dump(a))
73
 
=string.len(string.dump(b)) 
105

On Wed, 4 Aug 2004 10:50:41 -0400, Dan East <dan@naxs.com> wrote:
>   Lua functions are passed to my C code.  I wish to determine if the Lua
> function is empty.  Is this possible?
> 
> --Empty function
> function foo()
> end
> 
> --Empty function
> function foo2()
>   --this is an empty function
> end
> 
> --Not empty
> function foo3()
>   global_bar=1
> end
> 
>   Thanks.
> 
>   Dan East
> 
>