code: func MustDumpStdout(c context.Context) {
  	_, err := logging.Get(c).(*MemLogger).Dump(os.Stdout)
  	if err != nil {
  		panic(err)
  	}
  }
docs: // MustDumpStdout is a convenience function to dump the current contents of the
  // memory logger to stdout.
  //
  // This will panic if the current logger is not a memory logger.