inheritance.rb

class Restaurant
  attr_reader :name, :city
  def initialize(name, city)
    @name, @city = name, city
  end
  def welcome
    return "Welcome to #{@name}"
  end
end

class FastFood < Restaurant
  attr_reader :prep_time
  def initialize(name, city, prep_time)
    super(name, city)
    @prep_time = prep_time
  end
  def welcome
    return "Welcome to #{@name}, here we are fast!"
  end
end

class Gastronomic < Restaurant
  attr_reader :stars
  def initialize(name, city, stars)
    @name, @city = name, city
    @stars = stars
  end
  def welcome
    puts "Here we are starred!"
    super
  end
end
bk = FastFood.new("Burger King", "Paris", 5)
bouitte = Gastronomic.new("La Bouitte", "St-Martin", 3)
#
p bk