func advanced(by: OperationQueue.SchedulerTimeType.Stride) -> OperationQueue.SchedulerTimeType
Calculates an operation queue scheduler time by advancing the scheduler time type’s date by the given interval.
func distance(to: OperationQueue.SchedulerTimeType) -> OperationQueue.SchedulerTimeType.Stride
The distance to another operation queue scheduler time.
struct OperationQueue.SchedulerTimeType.Stride
The interval by which operation queue times advance.