From: Miquel <ktalanet@...>
Date: 2006-11-16T22:13:45+09:00
Subject: Re: newbie question about attr_reader

Hi

The reason is because you are exposing @var1 not @@var1 and with
someMethod you are initializing @@var1 not @var1, so it's nil.

Kind regards

On Thu, 16 Nov 2006 18:26:40 +0900
"ravi rao" <rao.ravi.m@gmail.com> wrote:

> Hi,
> Why cant i have an attribute reader for a class variable.
> Here's a program.
> 
> 
> class SomeClass
> 
>  @@var1 = 9 #class var
>  def someMethod
>     @@var1 = 1
>  end
> 
>  def initialize
>     @var2 = 5
>  end
> 
>  def getVar1
>   return @@var1
>  end
> 
>  attr_reader :var2
>  attr_reader :var1
> 
> end #SomeClass ends
> 
> 
>   s1 = SomeClass.new
>   puts(s1.var2)
>   puts(s1.getVar1)
>   s1.someMethod
>   puts(s1.var2)
>   puts(s1.getVar1)
>   puts(s1.var1)
> 
> 
> 
> Here's the output:
> 
> 5
> 9
> 5
> 1
> nil
> 
> 
> Thanks,
> Ravi Rao

		
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