// struct-access.cpp
// Illustrate the dange of liberal access
// to a struct variable's data members.

#include <iostream>
using namespace std;

struct TimePiece{
  int hr, min;
  char merid;
};

void display(TimePiece T);

int main(){
  TimePiece watch;
  watch.hr = 11;
  watch.min = 45;
  watch.merid = 'A';
  cout << "The time is now:  ";
  display(watch); cout << endl;
  watch.min += 40;
  cout << "40 minutes later: ";
  display(watch); cout << endl;
  return 0;
}

void display(TimePiece T){
  cout << T.hr << ':';
  if (T.min<10)
    cout << '0';
  cout << T.min << ' ';
  cout << T.merid << 'M';
}

/*
The time is now:  11:45 AM
40 minutes later: 11:85 AM

exercise: modify using a class instead of a struct. Write a constructor
and update member functions.
*/