Re: Globals (more ruminations)

[Hakki Dogusan <dogusanh@...>]

Hi,

12/07/2010 00:14, Roberto Ierusalimschy yazmış:
> > One possible downside of this is that this very simple Lua program:
> >
> > a = "Hello World"
> > print(a)
> >
> > becomes:
> >
> > global a = "Hello World"
> > print(a)
>
> There should be some toggle to control this. A simple one is the
> "global" declaration itself. When a chunk uses a global declaration
> it switches on the control.
>
> (You may start you chunk with "global NO, THANKS" ;)

Which reminds me Basic's "Option Explicit" :)

"Tip: Use Option Explicit to avoid mistyping the name of an existing 
variable or to avoid risking confusion in code in which the scope of
the variable is not clear."


> -- Roberto