code: def log(self, source_name, *args):
      if self.on() and self.interesting(source_name):
          self.do_log(self.indent_)
          for i in args:
              self.do_log(i)
          self.do_log("\n")
  
file_path: turicreate/src/external/boost/boost_1_68_0/tools/build/src/util/logger.py
imports: import sys
label_desc: Use image node_id 2 for calling the NullLogger obj's underlying member method code with example usage: obj.log(source_name) without return types