Mega Code Archive
Cascading member function calls with the this pointer
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#include <iostream>
using std::cout;
using std::endl;
#include <iomanip>
using std::setfill;
using std::setw;
class Time
{
public:
Time( int = 0, int = 0, int = 0 );
Time &setTime( int, int, int );
Time &setHour( int );
Time &setMinute( int );
Time &setSecond( int );
int getHour() const;
int getMinute() const;
int getSecond() const;
void printUniversal() const;
private:
int hour;
int minute;
int second;
};
Time::Time( int hr, int min, int sec )
{
setTime( hr, min, sec );
}
Time &Time::setTime( int h, int m, int s )
{
setHour( h );
setMinute( m );
setSecond( s );
return *this;
}
Time &Time::setHour( int h )
{
hour = h;
return *this;
}
Time &Time::setMinute( int m )
{
minute = m;
return *this;
}
Time &Time::setSecond( int s )
{
second = s;
return *this;
}
int Time::getHour() const
{
return hour;
}
int Time::getMinute() const
{
return minute;
}
int Time::getSecond() const
{
return second;
}
void Time::printUniversal() const
{
cout << hour << ":" << minute << ":" << second;
}
int main()
{
Time t;
t.setHour( 18 ).setMinute( 30 ).setSecond( 22 );
t.printUniversal();
t.setTime( 20, 20, 20 ).printUniversal();
cout << endl;
return 0;
}
18:30:2220:20:20
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