a_classless_ruby_program.rb

require 'ostruct'

players = Array.new

def new_player(roster, options)
  player = OpenStruct.new
  player.name = options[:name]
  player.sex = options[:sex]

  roster.push(player)
end

new_player(players, {:name => "Kirby", :sex => :male})
new_player(players, {:name => "Trevor", :sex => :male})
new_player(players, {:name => "David", :sex => :male})
new_player(players, {:name => "Lindsay", :sex => :female})

players

def players.valid_roster?
  male_counter = 0
  
  self.each do |player|
    if player.sex == :male
      male_counter = male_counter + 1

      if male_counter > 2
        return false
      end
     else # player.sex == :female
       male_counter = 0
    end
  end

  true
end

players.valid_roster? # should be false

def players.fix_gender_order
  unless self.valid_roster?
    males = Array.new
    females = Array.new

    self.each do |player|
      if player.sex == :male
        males.push(player)
      else # player.sex == :female
        females.push(player)
      end
    end

    new_roster = Array.new
    #... This is as far as we got.
  end
end