From: raims@... (Lawrence Oluyede)
Date: 2007-04-04T08:40:08+09:00
Subject: Re: Everything is a object?

Jamal Soueidan <jkhaledsoueidan@gmail.com> wrote:
> how can I check if its not a object because then its empty and not 
> created ?

If it's empty that means it has been created but with a nil value. You
have to check if its defined in the current scope:

irb(main):005:0> defined? a
=> nil
irb(main):006:0> a
NameError: undefined local variable or method `a' for main:Object
        from (irb):6
        from :0


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