class_docstr: Main Classifier object, used to classify things into similar sets.
code: def __init__(self, sort=True):
      self._things = set()  # set of all things known so far
      self._sets = []  # list of class sets produced so far
      self._mapping = {}  # map from things to their class set
      self._dirty = False
      self._sort = sort
  
file_path: catboost/contrib/python/fonttools/fontTools/misc/classifyTools.py
label_desc: Use image node_id 1 to create a new Classifier object from inherited base classes: object with example: obj = Classifier(sort)