code: func (s *StatsBase) Merge(o Stats) {
  	s.F.SentBytes += o.SentBytes()
  	s.F.SentMessages += o.SentMessages()
  	s.F.DiscardedMessages += o.DiscardedMessages()
  	s.F.Errors += o.Errors()
  }
docs: // Merge merges the values from one Stats block into another.