From: William James <w_a_x_man@...>
Date: 2005-07-30T15:41:01+09:00
Subject: Re: make local var visible

Pe�a, Botp wrote:

> yes, sir Matz. I've already also tried that and I like class vars. But how
> can I answer my peer's question, "duh, and your telling us to change our
> sh/perl scripts to that? I thought you said ruby is easy to our eyes and
> brain, botp?" ?
>
> my humble request is: can we not extend "locals" to embrace scope outside so
> they may act like class vars?
>
> something like this i want if possible,
>
> # script.rb
> #---------------------
> classvar x   # maybe, we may declare x as a class local var (just my term)
>              # as if x now has nature like @@x
>
> x=1
> def mx1
>    p x    #-> 1
> end
> p x       #-> 1
>
> def mx2
>    x = 2  # same x updated
>    p x    #-> 2
> end
> p x       #-> 2
>
> It is really @@x but without the @@.
> I hope i am not asking too much :(

You say that you are converting Perl code, which is usually full of
$'s and @'s, so this probably looks no worse than what you would
have converted it from:

$x=1

def mx1
   p $x
end

mx1
p $x

def mx2
   $x = 2
   p $x
end

mx2
p $x