class_docstr: Base class for nested array objects.
class_docstr_tok: ["Base","class","for","nested","array","objects","."]
docstr: Nested Rank.
docstr_tok: ["Nested","Rank","."]
code: def nested_rank(self) -> int:
      """Nested Rank."""
      return self._nested_rank
  
imports: import abc
  from typing import List, Tuple
  import ivy
label_desc: Use image node_id 14 for calling the NestedArrayBase obj's underlying member method code with example usage: obj.nested_rank() and returns: self