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Instance Method

intersection(with:)

iOS 10.0+ iPadOS 10.0+ Mac Catalyst 10.0+ macOS 10.12+ tvOS 10.0+ watchOS 3.0+
Returns an interval that represents the interval where the given date interval and the current instance intersect.
func intersection(with dateInterval: DateInterval) -> DateInterval?

Discussion

In the event that there is no intersection, the method returns nil.