class_docstr: Base class for a vertex cache for a simplicial complex.
class_docstr_tok: ["Base","class","for","a","vertex","cache","for","a","simplicial","complex","."]
docstr: Returns the size of the vertex cache.
docstr_tok: ["Returns","the","size","of","the","vertex","cache","."]
code: def size(self):
      """Returns the size of the vertex cache."""
      return self.index + 1
  
imports: import collections
  from abc import ABC, abstractmethod
  import numpy
  from scipy._lib._util import MapWrapper
label_desc: Use image node_id 3 for calling the VertexCacheBase obj's underlying member method code with example usage: obj.size() and returns: unknown