int main() {
Patron PatronInOut;
ifstream ifs("Patrons.txt", ifstream::in);
if (ifs.is_open()) {
while (PatronInOut.readPatron(ifs))
PatronInOut.writePatron(cout) << endl;
// close the file after finish reading.
ifs.close();
} else {
cout << "Can't open file." << endl;
}
return 0;
}
