Thank you to anyone who has already donated - your generous donations helped make three months of treatment possible.

My brother Nate continues to fight stage IV Hodgkin's lymphoma. He's just 31, with a wife and baby girl. They have no active income (since he's been unable to return to work), no insurance, and cannot afford the treatment he needs. Nate and his family need your help. Please consider a donation, every dollar helps. Thanks.

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    require 'mongoid'

    class Order
      include Mongoid::Document
      embeds_many :animals
    end

    class Animal
      include Mongoid::Document
      embedded_in :order

      def self.has_gender
        field :gender, type: String
      end
    end

    class Deer < Animal
      has_gender
    end

    Order.new.animals # => []