code: func (t *Timedelta) Add(t2 *Timedelta) Timedelta {
  	return Timedelta{
  		Days:         t.Days + t2.Days,
  		Seconds:      t.Seconds + t2.Seconds,
  		Microseconds: t.Microseconds + t2.Microseconds,
  		Milliseconds: t.Milliseconds + t2.Milliseconds,
  		Minutes:      t.Minutes + t2.Minutes,
  		Hours:        t.Hours + t2.Hours,
  		Weeks:        t.Weeks + t2.Weeks,
  	}
  }
docs: // Add returns the Timedelta t+t2.