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

atributos_01.rb

class Dog
  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

atributos_02.rb

dog = Dog.new "Snoopy", "Beagle"

atributos_03.rb

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

  def name
    @name
  end

  def breed
    @breed
  end

  # Os demais métodos foram omitidos
end

atributos_04.rb

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

atributos_05.rb

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

  def name
    @name
  end

  def breed
    @breed
  end

  def name=(value)
    @name = value
  end

  def breed=(value)
    @breed = value
  end

  # Os demais métodos foram omitidos
end

atributos_06.rb

dog = Dog.new "Snoopy", "Beagle"
dog.name=("Pixel")
dog.breed=("Yorkshire")

atributos_07.rb

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

atributos_08.rb

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

atributos_09.rb

dog.name=("Pixel")

atributos_10.rb

dog.name = "Pixel"