@Override
public boolean equals(Object o) {
if (o == this) return true;
if (!(o instanceof Name)) return false;
Name name = (Name) o;
if (!_label.equals(name.getLabel())) return false;
if (hasChild()) return name.hasChild() && _child.equals(name.getChild());
else return !name.hasChild();
}
public void append(Name suffix) {
Name name = this;
while (name.hasChild()) name = name.getChild();
name.setChild(suffix);
}
