class_docstr: Simple scanner
  
  All method patterns are regular expression strings (not
  compiled expressions!)
docstr: Scan exactly one char.
code: def get_char(self):
      """Scan exactly one char."""
      self.scan(".")
  
file_path: catboost/contrib/python/Pygments/py2/pygments/scanner.py
imports: import re
label_desc: Use image node_id 6 for calling the Scanner obj's underlying member method code with example usage: obj.get_char() without return types