example_ns.rb

module Hands
  # Actions is mixed into Hand class
  # @cards is a Hand instance variable that is an array of Card objects
  module Actions
    def hit(stock)
    def double(stock)
    def split(player, stock)
  end

  module Compare
    def player_wins(other)
    def player_ties(other)
    def player_looses(other)
    def result_multiplier(other)
  end

  module Calculate
    def value(dealer: false, game_over: false)
    def adjust_aces(value)
  end

  class Hand
    include Hands::Actions
    include Hands::Compare
    include Hands::Calculate
     # ...
  end
end

# Hands::Hand.new for a new hand object