Ruby Fundamental - Acessores e modificadores de atributos (parte II)

atributos_11.rb

class Dog
  attr_accessor :name, :breed

  def initialize(name, breed)
    @name, @breed = name, breed
  end

  # Os demais métodos foram omitidos
end

atributos_12.rb

dog = Dog.new "Snoopy", "Beagle"
dog.name = "Pixel"
dog.breed = "Yorkshire"
dog.name # => Pixel
dog.breed # => Yorkshire

atributos_13.rb

class Dog
  attr_accessor :name, :breed

  def initialize(name, breed)
    @name, @breed = name, breed
  end

  def bark
    puts "#{@name}: Au, au, au!"
  end

  def sleep
    puts "#{@name}: Zzzzzzz..."
  end

  def to_s
    "#{@name} is a #{@breed}."
  end
end