code: func (n NetworkNumber) Equal(n1 NetworkNumber) bool {
  	if len(n) != len(n1) {
  		return false
  	}
  	if n[0] != n1[0] {
  		return false
  	}
  	if len(n) == IPv6Uint32Count {
  		return n[1] == n1[1] && n[2] == n1[2] && n[3] == n1[3]
  	}
  	return true
  }
docs: // Equal is the equality test for 2 network numbers.