PracticeDev/study_cpp/cpp_primer_source_code/Chapter 11/mytime3.h

26 lines
616 B
C++

// mytime3.h -- Time class with friends
#ifndef MYTIME3_H_
#define MYTIME3_H_
#include <iostream>
class Time
{
private:
int hours;
int minutes;
public:
Time();
Time(int h, int m = 0);
void AddMin(int m);
void AddHr(int h);
void Reset(int h = 0, int m = 0);
Time operator+(const Time & t) const;
Time operator-(const Time & t) const;
Time operator*(double n) const;
friend Time operator*(double m, const Time & t)
{ return t * m; } // inline definition
friend std::ostream & operator<<(std::ostream & os, const Time & t);
};
#endif