From: Rob Biedenharn <rob@...>
Date: 2012-12-11T08:50:50+09:00
Subject: Re: Need a little help


On Dec 10, 2012, at 6:28 PM, tom mr wrote:

> Hey Guys,
> New to ruby & working on a few tutorials & I'm having trouble with
> getting the following code to work & I can't figure out why?
> 
> class Animal
>  attr_accessor :name
>  attr_writer :color
>  attr_reader :legs, :arms
> 
>  def setup_limbs
>    @legs = 4
>    @arms = 0
>  end
> 
>  def noise=(noise)
>    @noise = noise
>  end

This sets @noise, but there's no method for getting the noise back.

You probably need to add either:
  attr_reader :noise
(or just att , :noise following the :legs, :arms in the earlier one)

Or define your own getter like was done for color.

-Rob

> 
>  def color
>    "The color is #{@color}."
>  end
> end
> 
> animala = Animal.new
> animala.setup_limbs
> animala.noise = "Moo!"
> animala.name = "Steve"
> puts animala.name
> animala.color = "black"
> puts animala.color
> puts animala.legs
> puts animala.noise
> 
> animalb = Animal.new
> animalb.noise = "Quack!"
> puts animalb.noise
> 
> I've double checked the tutorial (video) & every piece seems to be
> correct but where the tutorial works in the video I can't!
> 
> Thanks,
> Tom
> 
> -- 
> Posted via http://www.ruby-forum.com/.
>