class_docstr: Convenience structure for vocabulary information.
    
docstr: Returns size the the base vocabulary plus the size of extra vocabulary
code: def total_size(self):
      """Returns size the the base vocabulary plus the size of extra vocabulary"""
      return self.vocab_size + len(self.special_vocab)
  
file_path: seq2seq/seq2seq/data/vocab.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import tensorflow
  from tensorflow import gfile
label_desc: Use image node_id 1 for calling the VocabInfo obj's underlying member method code with example usage: obj.total_size() and returns: unknown