#ifndef CREDIT_CARD_H                           // avoid repeated expansion
#define CREDIT_CARD_H

#include <string>                               // provides string
#include <iostream>                             // provides ostream

using std::string;                              // make string accessible

class CreditCard {
private:                                        // private member data
  string    number;                             // credit card number
  string    name;                               // card owner's name
  int       limit;                              // credit limit
  double    balance;                            // credit card balance
public:
                                                // standard constructor
  CreditCard(string no, string nm, int lim, double bal=0);
                                                // accessors functions
  string   getNumber()    const   { return number; }
  string   getName()      const   { return name; }
  double   getBalance()   const   { return balance; }
  int      getLimit()     const   { return limit; }
                                                // update functions
  bool chargeIt(double price);                  // make a charge 

  void makePayment(double payment)              // make a payment
    { balance -= payment; }

  string toString() const;                      // representation of card information
};
                                                // print card information
std::ostream& operator<<(std::ostream& out, const CreditCard& c);
#endif