class_docstr: A :class:`DataView` that provides dict-like functionality in the accumulator of an
  AggregateFunction when large amounts of data are expected.
class_docstr_tok: ["A",":","class",":","`","DataView","`","that","provides","dict-like","functionality","in","the","accumulator","of","an","AggregateFunction","when","large","amounts","of","data","are","expected","."]
code: def __eq__(self, other: Any) -> bool:
      if other is None:
          return False
      if other.__class__ == MapView:
          return self._dict == other._dict
      else:
          # comparing the content of state backed map view is too expensive
          return other is self
  
imports: from abc import ABC, abstractmethod
  from typing import TypeVar, Generic, Iterable, List, Any, Iterator, Dict, Tuple
label_desc: Use image node_id 12 for calling the MapView obj's underlying member method code with example usage: obj.__eq__(other) and returns: False, unknown, unknown