codeschool-courses

add_game "Civilization" do
  system "PC"
  year 1991
end

add_game "The Legend of Zelda", "NES", 1986

with_game "The Legend of Zelda", "Civilization" do
  print_details
end

codeschool-courses

add_game "Civilization" do
  system "PC"
  year 1991
end

add_game "The Legend of Zelda", "NES", 1986

codeschool-courses

class Game
  attr_reader :name

  def initialize(name)
    @name = name
    @year = nil
    @system = nil
  end

  def year(value)

codeschool-courses

LIBRARY = Library.new

def add_game(name, &block)
  game = Game.new(name)
  game.instance_eval(&block)
  LIBRARY.add_game(game)
end

def with_game(name, &block)
  game = LIBRARY.find_by_name(name)

codeschool-courses

add_game "Civilization" do
  system "PC"
  year 1991
end

with_game "Civilization" do
  print_details
end

codeschool-courses

class Game
  attr_reader :name

  def initialize(name)
    @name = name
    @year = nil
    @system = nil
  end

  def year(value)

codeschool-courses

class Library
  def initialize
    @games = []
  end

  def add_game(game)
    @games << game
  end

  def find_by_name(name)

codeschool-courses

add_game "Civilization" do
  system "PC"
  year 1991
end

with_game "Civilization" do
  # We'll add some code to operate on the game later
end

codeschool-courses

add_game "Civilization" do
  system "PC"
  year 1991
end

codeschool-courses

class Library
  def initialize
    @games = []
  end

  def add_game(game)
    @games << game
  end
end