class Huh

  def initialize
    process_cmd = proc do |cmd, init, data|
      @current_folder = "lessgo"
    end
  end

  def hoh
    @curent_folder = "noway"
  end

end

Try to refactor/rename or find usages of @current_folder inside proc.  NB responds with the proc itself rather than the correct lines. Try to do likewise with the usage in hoh and it does not find the usage inside proc. Ditto with lambda instead of proc.