From: Rick DeNatale <rick.denatale@...>
Date: 2008-05-12T00:04:06+09:00
Subject: Re: Sharing variables between classes and instances

On Sun, May 11, 2008 at 10:09 AM, Albert Schlef <albertschlef@gmail.com> wrote:
> btw, you can simply do @@var to have a var that is shared among objects
> of the same class.

There be dragons!  Class variables (@@var) in Ruby are also shared by
subclasses (with some quirks in some cases such as when a superclass
acquires a class variable AFTER one or more of its subclasses) and
violate the expectations of almost everyone who tries to use them.

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/