Initializer
init(timeIntervalSinceNow:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
Creates a date value initialized relative to the current date and time by a given number of seconds.
init(timeIntervalSinceNow: TimeInterval)