ruby_object_model_example.rb

module SomeClass
  SomeClass == self

  def self.a_class_method(options)
    SomeClass == self
  end

  class << self
    SomeClass.singleton_class == self

    def another_class_method(options)
      SomeClass == self
    end

    private

    def yet_another_class_method(to)
      SomeClass == self
    end
  end

  def some_instance_method
    self.is_a?(SomeClass)
    self.class == SomeClass
    self != SomeClass
  end
end