code: func (f *Follower) FollowElection() (<-chan string, <-chan error) {
  	f.leaderCh = make(chan string)
  	f.errCh = make(chan error)
  
  	go f.follow()
  
  	return f.leaderCh, f.errCh
  }
docs: // FollowElection starts monitoring the election.