// DESC: will charge patient for use of x-ray machine
// PRE: patient must have a money member variable
// POST: cost_per_use will be subtracted from patient.money, returns
// nothing
void x_rayer::charge_patient(patient & user)
{
user.pay_out(m_cost);
return;
}
void x_rayer::charge_patient(patient & p) const
{
p.pay_out(m_cost_per_use);
return;
}
void organ_donor::charge_patient(patient & user)
{
user.pay_out(m_cost);
return;
}