Class MyTime

week11/examples/unique_ptr.cpp:4–45

#include <memory>

class MyTime
{
    int hours;
    int minutes;
  public:
    MyTime(): hours(0), minutes(0)
    {
        std::cout << "Constructor MyTime()" << std::endl;
    }
    MyTime(int m): hours(0), minutes(m)
    {
        std::cout << "Constructor MyTime(int)" << std::endl;
        this->hours +=  this->minutes / 60;
        this->minutes %= 60;
    }
    MyTime(int h, int m): hours(h), minutes(m)
    {
        std::cout << "Constructor MyTime(int,int)" << std::endl;
        this->hours +=  this->minutes / 60;
        this->minutes %= 60;
    }
    ~MyTime()
    {
        std::cout << "Destructor MyTime(). Bye!" << std::endl;
    }
    MyTime operator+(int m) const
    {
        MyTime sum;
        sum.minutes = this->minutes + m;
        sum.hours = this->hours;
        sum.hours +=  sum.minutes / 60;
        sum.minutes %= 60;
        return sum;
    }
    friend std::ostream & operator<<(std::ostream & os, const MyTime & t)
    {
        std::string str = std::to_string(t.hours) + " hours and " 
                        + std::to_string(t.minutes) + " minutes.";
        os << str;
        return os;
    }
};


int main()