code: def _sequence_map(cls, seq, path):
          
          if not any(path):
              # There is no further kwargsql expression
              return seq
          result = []
          for item in seq:
              try:
                  result.append(cls.__resolve_path(item, path))
              except (KeyError, IndexError):
                  pass
          return result
docs: Apply a kwargsql expression to every item of a sequence,
          and returns it.
  
          :param seq: the list to transform
          :param path: kwargsql expression to apply to every elements of
                       the given sequence.