From: Jim Weirich <jim@...>
Date: 2005-05-26T23:43:39+09:00
Subject: Re: Zerofy


Charles Steinman said:
> Keep in mind that methods do not operate on the variables you use to
> call them. Variables are just references to objects, any several can
> refer to the same object.

I like to say it like this:  Languages like Java and C++ encourage you to
think of variables as boxes into which you put values.  In Ruby, variables
are postit notes (with names) that you stick on objects.

-- 
-- Jim Weirich     jim@weirichhouse.org    http://onestepback.org
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"Beware of bugs in the above code; I have only proved it correct,
not tried it." -- Donald Knuth (in a memo to Peter van Emde Boas)