animal.rb

# The goal is take type specific conditionals out of a class and use polymorphism to let each class handle their own responsibilities


class Animal
  def initialize(type)
    @type = type
  end

  def eat
    "eating... nom nom"
  end

  def say
    case @type
    when :lion
      "roar"
    when :mouse
      "squeak"
    when :dog
      "bark"
    end
  end
end


zoo = [Animal.new(:lion), Animal.new(:mouse), Animal.new(:dog)]

zoo.each do |animal|
  puts animal.say
  puts animal.eat
  puts
end