Find the range of the weekend around the given date, returned via two by-reference parameters.
- iOS 8.0+
- macOS 10.9+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
- Xcode 6.0.1+
The date at which to start the search.
When the result is
true if a date range could be found, and
false if the date is not in a weekend.
Note that a given entire day within a calendar is not necessarily all in a weekend or not; weekends can start in the middle of a day in some calendars and locales.