From: Jcm Mz <menzies.main@...>
Date: 2009-02-15T03:03:30+09:00
Subject: Code syntax comma usage

That I can see; Pragmatic Programming Ruby's, index, has reference to
all sorts of symbols, but I can't find a explanation for a ',' seperator
such as used in the following:

 var1 = 1; p var1 #=> 1
 var2 = 2; p var2 #=> 2
 var3 = 3; p var3 #=> 3

 var1, var2, var3 = 5

 p var1 #=> 5
 p var2 #=> nil
 p var3 #=> nil

What's happening here? I read it as:
set var1 to 5 and reset var2 and var3 to nil.
Is that all the comma does?
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