Operator
+=(_:_:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Adds a time interval to a date.
static func += (lhs: inout Date, rhs: TimeInterval)Parameters
lhsA date.
rhsA
TimeIntervalto add to the date.
Discussion
Warning
This only adjusts an absolute value. If you wish to add calendrical concepts like hours, days, months then you must use a Calendar. This takes into account complexities like daylight saving time, months with different numbers of days, and more.