func (h holidaysUSNational) fixWeekend(in time.Time) time.Time {
	switch in.Weekday() {
	case time.Saturday:
		return in.Add(-1 * 24 * time.Hour)
	case time.Sunday:
		return in.Add(1 * 24 * time.Hour)
	default:
		return in
	}
}
func (h holidaysUSNational) fixWeekend(in time.Time) time.Time {
	switch in.Weekday() {
	case time.Saturday:
		return in.Add(-1 * 24 * time.Hour)
	case time.Sunday:
		return in.Add(1 * 24 * time.Hour)
	default:
		return in
	}
}
func ( h holidaysUSNational ) fixWeekend ( in time . Time ) time . Time { switch in . Weekday ( ) { case time . Saturday : return in . Add ( - 1 * 24 * time . Hour ) case time . Sunday : return in . Add ( 1 * 24 * time . Hour ) default : return in } }
// If a holiday falls on a Saturday it is celebrated the preceding Friday;
// if a holiday falls on a Sunday it is celebrated the following Monday.
If a holiday falls on a Saturday it is celebrated the preceding Friday ; if a holiday falls on a Sunday it is celebrated the following Monday .