Re: lexical scoping confusion

["Russell Y. Webb" <rw20@...>]

Lua 5.0 beta does produce
1
2
12
 with the code below.  Of course earlier versions of Lua will complain 
in various ways since they lack lexical scoping.

Fancy stuff.

Russ

On Monday, April 7, 2003, at 12:25  PM, RLake@oxfam.org.uk wrote:

> Russell: cut and pasted
>
> Lua 5.0  Copyright (C) 1994-2003 Tecgraf, PUC-Rio
> > function outer()
> > >      local x = 0
> > >      function inner()
> > >              x = x + 1
> > >              print(x)
> > >      end
> > >      inner() -- should print "1"
> > >      return inner
> > > end
> >
> > x = 12
> > f = outer()
> 1
> > f() -- what does this do?  runtime error?
> 2
> > print(x) -- I assume this prints "12"
> 12