From: "Jakub Pavlík jn." <severus@...>
Date: 2009-01-25T10:09:15+09:00
Subject: Re: Not sure why this is failing, barring a typo:

> This code, directly from a book:
> 
> class Animal
> 	def initialize(color)
> 		@color = color
> 	end
> 
> 	def get_color
> 		return @color
> 	end
> end
> 
> animal = Animal.new("brown")
> puts "The new animal is " + animal.color
> 
> results in "undefined method: color". But aren't I defining the method
> as part of the constructor? Maybe I just don't understand what I'm
> doing... anyhow, help would be appreciated!  :)
> 
> -Alex

No.
@color = color
just defines instance variable, which can't be accessed from outside.
You must define reader method:

attr_reader :color

or

def color
  return @color
end

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