// Rename member with a new identity. This will not call rename on the member. func (r *Room) Rename(oldId string, identity message.Identifier) error { if identity.Id() == "" { return ErrInvalidName } err := r.members.Replace(oldId, identity) if err != nil { return err } s := fmt.Sprintf("%s is now known as %s.", oldId, identity.Id()) r.Send(message.NewAnnounceMsg(s)) return nil }