class_docstr: Class for building and working with Online Hierarchical Navigable Small World index.
class_docstr_tok: ["Class","for","building","and","working","with","Online","Hierarchical","Navigable","Small","World","index","."]
docstr: Get the number of items in storage.
  
  Returns
  -------
  num_items : int
docstr_tok: ["Get","the","number","of","items","in","storage",".","Returns","--","--","--","-","num_items",":","int"]
code: def get_num_items(self):
      """
      Get the number of items in storage.
  
      Returns
      -------
      num_items : int
      """
      return self._online_index._get_num_items()
  
imports: import sys
  import os
  from six import iteritems
  from enum import IntEnum
  from contextlib import contextmanager
  import json
label_desc: Use image node_id 6 for calling the OnlineHnsw obj's underlying member method code with example usage: obj.get_num_items() and returns: self