Joel VanderWerf wrote:
> --- cat.rb ---
> 
> 
> class Dog
>   def initialize name
>     @name = name
>   end
> end
> 
> CLASS = Dog
> 
> def make_animal
>   Dog.new "Rover"
> end

Ooops. Copy/paste error.

--- cat.rb ---


class Cat
   def initialize name
     @name = name
   end
end

CLASS = Cat

def make_animal
   Cat.new "Fuzzy"
end