From: Mike Steiner <mikejaysteiner@...>
Date: 2007-05-18T01:36:07+09:00
Subject: Re: quick question about @ and @@

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That clears things up a lot. I'll use $var instead of @var for my (usually
few!) global variables.

Thanks!

Mike Steiner

On 5/17/07, darren kirby <bulliver@badcomputer.org> wrote:
>
> quoth the Mike Steiner:
> > What's the difference between @ and @@? Specifically, which should I use
> if
> > I need a global variable in a non-OOP Ruby program?
> >
> > Thanks!
> >
> > Mike Steiner
>
> As I understand it, '@' denotes an instance variable, visible only to the
> instance of a class, and '@@' is a class variable, visible to all
> instances
> of the class.
>
> If you need a plain old global try: $foovar
>
> -d
> --
> darren kirby :: Part of the problem since 1976 :: http://badcomputer.org
> "...the number of UNIX installations has grown to 10, with more
> expected..."
> - Dennis Ritchie and Ken Thompson, June 1972
>
>

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