From: Lloyd Linklater <lloyd@2live4.com>
Date: 2008-09-02T22:24:16+09:00
Subject: Re: About class variable question?

Zhao Yi wrote:
> Please see this code below. It will get "can't convert nil to string
> error". Why can't the @name be assigned? I have set the @name = "world".
> 
> class Hello
>   @name="world"
>   def say
>     puts "Hello "+@name
>   end
> end
> h=Hello.new
> h.say

Try it this way:

class Hello
  @@name="world"
  def say
    puts "Hello "+@@name
  end
end
h=Hello.new

h.say
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