public int AddContact(string name, int phone)
{
if (name == "")
return -1;
if (phone <= 0)
return -2;
if (IndexOf (name) < 0) {
if (currentContact < contacts.Length) {
var contact = new Contact ();
contact.name = name;
contact.phone = phone;
contacts [currentContact++] = contact;
return 0;
} else
return -4;
}
return -3;
}
public static void Add(Contact contact)
{
contacts [current++] = contact;
}