code: def from_codes_and_metadata(cls,
                                  codes,
                                  categories,
                                  reverse_categories,
                                  missing_value):
          
          ret = codes.view(type=cls, dtype=np.void)
          ret._categories = categories
          ret._reverse_categories = reverse_categories
          ret._missing_value = missing_value
          return ret
docs: Rehydrate a LabelArray from the codes and metadata.
  
          Parameters
          ----------
          codes : np.ndarray[integral]
              The codes for the label array.
          categories : np.ndarray[object]
              The unique string categories.
          reverse_categories : dict[str, int]
              The mapping from category to its code-index.
          missing_value : any
              The value used to represent missing data.