class_docstr: Unpacks various data representations from the given buffer.
class_docstr_tok: ["Unpacks","various","data","representations","from","the","given","buffer","."]
code: def get_position(self):
      return self.__pos
  
imports: import struct
  from io import BytesIO
  from functools import wraps
  import warnings
label_desc: Use image node_id 3 for calling the Unpacker obj's underlying member method code with example usage: obj.get_position() and returns: self