class_docstr: An ArrayList is a strongly typed list whose type can be anything that can
  be interpreted as a numpy data type.
docstr: x.__len__() <==> len(x)
docstr_tok: ["x.__len__","(",")","<","==",">","len","(","x",")"]
code: def __len__(self):
      """x.__len__() <==> len(x)"""
      return self._count
  
file_path: vispy/vispy/visuals/collections/array_list.py
imports: import numpy
label_desc: Use image node_id 7 for calling the ArrayList obj's underlying member method code with example usage: obj.__len__() and returns: self