//insert a pretty printed contact into os
void
Contact::display(std::ostream &os) {
os << name << std::endl
<< " DOB: " << dob << std::endl
<< " Phone: " << phone << std::endl
<< " Email: " << email << std::endl
<< " Address: " << address << std::endl
<< " " << city << ',' << state << " " << zip
<< std::endl;
}
//insert a serialized version of contact into os
void
Contact::saveToFile(std::ostream &os) {
os << name << std::endl
<< dob << std::endl
<< phone << std::endl
<< email << std::endl
<< address << std::endl
<< city << std::endl
<< state << std::endl
<< zip << std::endl;
}