Return true if the specified dayOfWeek is a weekend day in this calendar, and false otherwise. The behavior is undefined unless no weekend-days transitions were added to this calendar via the addWeekendDaysTransition method.
true
dayOfWeek
false
addWeekendDaysTransition
Declared in <bdlt_calendar.h>
<bdlt_calendar.h>
bool isWeekendDay(DayOfWeek::Enum dayOfWeek) const;