gistfile1.rb

class Foo
  def self.with_bar
    Foo.new(Bar.new)
  end

  def initiatize bar
    @bar = bar
  end
  
  def something_fun
    @bar.stuff * some_stuff
  end
end

class Baz
  def self.with_foo
    Baz.new Foo.with_bar
  end
  
  def initialize foo
    @foo = foo
  end
end