// Fig. 9.17: Time.cpp
// Time class member-function definitions.
#include <stdexcept>
#include "Time.h" // include definition of class Time

// set new Time value using 24-hour time
void Time::setTime(int hour, int minute, int second) {
   // validate hour, minute and second
   if (hour < 0 || hour >= 24) {
      throw std::invalid_argument{"hour was out of range"};
   }

   if (minute < 0 || minute >= 60) {
      throw std::invalid_argument{"minute was out of range"};
   }

   if (second < 0 || second >= 60) {
      throw std::invalid_argument{"second was out of range"};
   }

   m_hour = hour;
   m_minute = minute;
   m_second = second;
}

// return hour value
int Time::getHour() const {return m_hour;}

// poor practice: returning a reference to a private data member. 
int& Time::badSetHour(int hour) {
   setTime(hour, m_minute, m_second);
   return m_hour; // dangerous reference return                    
}



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