class_docstr: Internal class used in support of the multiset partitions
  enumerators and the associated visitor functions.
  
  Represents one component of one part of the current partition.
  
  A stack of these, plus an auxiliary frame array, f, represents a
  partition of the multiset.
  
  Knuth's pseudocode makes c, u, and v separate arrays.
docstr: Define  value oriented equality, which is useful for testers
docstr_tok: ["Define","value","oriented","equality",",","which","is","useful","for","testers"]
code: def __eq__(self, other):
      """Define  value oriented equality, which is useful for testers"""
      return (
          isinstance(other, self.__class__)
          and self.c == other.c
          and self.u == other.u
          and self.v == other.v
      )
  
label_desc: Use image node_id 3 for calling the PartComponent obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown