// Fig. 16.10: deitel.time-impl.cpp
// deitel.time module implementation unit containing the 
// Time class member function definitions. 
module deitel.time; // module implementation unit for deitel.time

import <stdexcept>;
import <string>;
using namespace deitel::time;

// Time constructor initializes each data member    
Time::Time(int hour, int minute, int second) {
   // validate hour, minute and second
   if ((hour < 0 || hour >= 24) || (minute < 0 || minute >= 60) ||
      (second < 0 || second >= 60)) {
      throw std::invalid_argument{
         "hour, minute or second was out of range" };
   }

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

// return a string representation of the Time
std::string Time::toString() const {
   using namespace std::string_literals;

   return "Hour: "s + std::to_string(m_hour) +
      "\nMinute: "s + std::to_string(m_minute) +
      "\nSecond: "s + std::to_string(m_second);
}


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