clientv3/concurrency/election.go
func NewElection(s *Session, pfx string) *Election {
	return &Election{session: s, keyPrefix: pfx + "/"}
}
func NewElection(s *Session, pfx string) *Election {
	return &Election{session: s, keyPrefix: pfx + "/"}
}
func NewElection ( s * Session , pfx string ) * Election { return & Election { session : s , keyPrefix : pfx + " " } }
// NewElection returns a new election on a given key prefix.
NewElection returns a new election on a given key prefix .