func (r *Raft) String() string {
	return fmt.Sprintf("Node at %s [%v]", r.localAddr, r.getState())
}
func (r *Raft) String() string {
	return fmt.Sprintf("Node at %s [%v]", r.localAddr, r.getState())
}
func ( r * Raft ) String ( ) string { return fmt . Sprintf ( " " , r . localAddr , r . getState ( ) ) }
// String returns a string representation of this Raft node.
String returns a string representation of this Raft node .