default.go
func (u *IPv6) DeepCopy() *IPv6 {
	if u == nil {
		return nil
	}
	out := new(IPv6)
	u.DeepCopyInto(out)
	return out
}
func (u *IPv6) DeepCopy() *IPv6 {
	if u == nil {
		return nil
	}
	out := new(IPv6)
	u.DeepCopyInto(out)
	return out
}
// DeepCopy copies the receiver into a new IPv6.