Ruby singleton & inheritance

ruby-singleton-inheritance.rb

class Parent

  def self.name(name)
    @name = name
    puts @name
  end

  def whoami
    puts "I'm the parent #{@name}"
  end

  name('dad')

end

class Child < Parent

  def self.name
    super
  end

end

class Parent

  def self.name(name = nil)
    if name
      @name = name
    else
      @name
    end
  end

  def whoami
    puts "I'm #{self.class.name}"
  end

  name('dad')

end

class Child < Parent

  def self.name(name = nil)
    super
  end

  name('babydoll')
end