code: def LastOf(*subcons):
      
      name = "seq"
      if isinstance(subcons[0], six.string_types):
          name = subcons[0]
          subcons = subcons[1:]
      return IndexingAdapter(Sequence(name, *subcons), -1)
docs: Create an adapter which uses only the last construct.
  
      If first argument is a string it will be the name.