How to use createTimerSource method of Awaiter class

...251            self.waitLock = waitLock252            self.asyncQueue = asyncQueue253            self.timeoutQueue = timeoutQueue254    }255    private func createTimerSource(_ queue: DispatchQueue) -> DispatchSourceTimer {256        return DispatchSource.makeTimerSource(flags: .strict, queue: queue)257    }258    func performBlock<T>(259        _ closure: @escaping (@escaping (T) -> Void) throws -> Void) -> AwaitPromiseBuilder<T> {260            let promise = AwaitPromise<T>()261            let timeoutSource = createTimerSource(timeoutQueue)262            var completionCount = 0263            let trigger = AwaitTrigger(timeoutSource: timeoutSource, actionSource: nil) {264                try closure {265                    completionCount += 1266                    nimblePrecondition(267                        completionCount < 2,268                        "InvalidNimbleAPIUsage",269                        "Done closure's was called multiple times. waitUntil(..) expects its " +270                        "completion closure to only be called once.")271                    if promise.resolveResult(.completed($0)) {272                        CFRunLoopStop(CFRunLoopGetMain())273                    }274                }275            }276            return AwaitPromiseBuilder(277                awaiter: self,278                waitLock: waitLock,279                promise: promise,280                trigger: trigger)281    }282    func poll<T>(_ pollInterval: TimeInterval, closure: @escaping () throws -> T?) -> AwaitPromiseBuilder<T> {283        let promise = AwaitPromise<T>()284        let timeoutSource = createTimerSource(timeoutQueue)285        let asyncSource = createTimerSource(asyncQueue)286        let trigger = AwaitTrigger(timeoutSource: timeoutSource, actionSource: asyncSource) {287            let interval = DispatchTimeInterval.nanoseconds(Int(pollInterval * TimeInterval(NSEC_PER_SEC)))288            asyncSource.scheduleRepeating(deadline: .now(), interval: interval, leeway: pollLeeway)289            asyncSource.setEventHandler {290                do {291                    if let result = try closure() {292                        if promise.resolveResult(.completed(result)) {293                            CFRunLoopStop(CFRunLoopGetCurrent())294                        }295                    }296                } catch let error {297                    if promise.resolveResult(.errorThrown(error)) {298                        CFRunLoopStop(CFRunLoopGetCurrent())299                    }...

1let a = Awaiter()2let a = Awaiter()3let b = Awaiter()4let b = Awaiter()5let c = Awaiter()6let c = Awaiter()7let d = Awaiter()8let d = Awaiter()

1let timerSource = Awaiter.createTimerSource()2timerSource.setEventHandler {3    print("Timer fired")4    timerSource.cancel()5}6timerSource.schedule(deadline: .now() + 3.0, repeating: 3.0)7timerSource.resume()8RunLoop.current.run()

1let awaiter = Awaiter()2let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {3    print("Tick")4}5let timerSource2 = awaiter.createTimerSource(interval: 1.0, repeats: false) {6    print("Tick2")7}8timerSource.resume()9timerSource2.resume()10let awaiter = Awaiter()11let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {12    print("Tick")13}14let timerSource2 = awaiter.createTimerSource(interval: 1.0, repeats: false) {15    print("Tick2")16}17timerSource.resume()18timerSource2.resume()19let awaiter = Awaiter()20let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {21    print("Tick")22}23let timerSource2 = awaiter.createTimerSource(interval: 1.0, repeats: false) {24    print("Tick2")25}26timerSource.resume()27timerSource2.resume()28let awaiter = Awaiter()29let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {30    print("Tick")31}32let timerSource2 = awaiter.createTimerSource(interval: 1.0, repeats: false) {33    print("Tick2")34}35timerSource.resume()36timerSource2.resume()37let awaiter = Awaiter()38let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {39    print("Tick")40}41let timerSource2 = awaiter.createTimerSource(interval: 1.0, repeats: false) {42    print("Tick2")43}44timerSource.resume()45timerSource2.resume()46let awaiter = Awaiter()47let timerSource = awaiter.createTimerSource(interval: 1.0, repeats: true) {48    print("Tick")49}

1var awaiter = Awaiter()2var timerSource = awaiter.createTimerSource()3timerSource.schedule(deadline: .now() + 2, repeating: 0.1)4timerSource.setEventHandler {5    print("Timer fired")6}7timerSource.resume()8var awaiter = Awaiter()9var timerSource = awaiter.createTimerSource()10timerSource.schedule(deadline: .now() + 2, repeating: 0.1)11timerSource.setEventHandler {12    print("Timer fired")13}14timerSource.resume()15var awaiter = Awaiter()16var timerSource = awaiter.createTimerSource()17timerSource.schedule(deadline: .now() + 2, repeating: 0.1)18timerSource.setEventHandler {19    print("Timer fired")20}21timerSource.resume()22var awaiter = Awaiter()23var timerSource = awaiter.createTimerSource()24timerSource.schedule(deadline: .now() + 2, repeating: 0.1)25timerSource.setEventHandler {26    print("Timer fired")27}28timerSource.resume()29var awaiter = Awaiter()30var timerSource = awaiter.createTimerSource()31timerSource.schedule(deadline: .now() + 2, repeating: 0.1)32timerSource.setEventHandler {33    print("Timer fired")34}35timerSource.resume()36var awaiter = Awaiter()37var timerSource = awaiter.createTimerSource()38timerSource.schedule(deadline: .now() + 2, repeating: 0.1)39timerSource.setEventHandler {40    print("Timer fired")41}42timerSource.resume()43var awaiter = Awaiter()44var timerSource = awaiter.createTimerSource()45timerSource.schedule(deadline: .now() + 2, repeating: 0.1)46timerSource.setEventHandler {47    print("Timer fired")48}49timerSource.resume()

1var timerSource = Awaiter.createTimerSource()2timerSource.setEventHandler {3    print("Timer fired!")4}5timerSource.schedule(deadline: .now(), repeating: .seconds(1))6timerSource.resume()7RunLoop.main.run()8var timerSource = Awaiter.createTimerSource()9timerSource.setEventHandler {10    print("Timer fired!")11}12timerSource.schedule(deadline: .now(), repeating: .seconds(1))13timerSource.resume()14RunLoop.main.run()15#### createTimerSource()16#### suspend()17#### resume()18#### createReadSource(fileDescriptor: Int32)19#### createReadSource(fileDescriptor: Int32, queue: DispatchQueue)20#### createReadSource(fileDescriptor: Int32, queue: DispatchQueue, handler: @escaping () -> Void)21#### createReadSource(fileDescriptor: Int32, handler: @escaping () -> Void)22#### createWriteSource(fileDescriptor: Int32)23#### createWriteSource(fileDescriptor: Int32, queue: DispatchQueue)24#### createWriteSource(fileDescriptor: Int32, queue: DispatchQueue, handler: @escaping () -> Void)25#### createWriteSource(fileDescriptor: Int32, handler: @escaping () -> Void)26#### createSignalSource(signal: Int32)27#### createSignalSource(signal: Int32, queue: DispatchQueue)28#### createSignalSource(signal: Int32, queue: DispatchQueue, handler: @escaping () -> Void)29#### createSignalSource(signal: Int32, handler: @escaping () -> Void)30#### createProcessSource(identifier: Int32)31#### createProcessSource(identifier: Int32, queue:

1var timerSource = Awaiter.createTimerSource()2timerSource.setEventHandler {3    print("Timer fired!")4}5timerSource.schedule(deadline: .now(), repeating: .seconds(1))6timerSource.resume()7RunLoop.main.run()8var timerSource = Awaiter.createTimerSource()9timerSource.setEventHandler {10    print("Timer fired!")11}12timerSource.schedule(deadline: .now(), repeating: .seconds(1))13timerSource.resume()14RunLoop.main.run()15#### createTimerSource()16#### suspend()17#### resume()18#### createReadSource(fileDescriptor: Int32)19#### createReadSource(fileDescriptor: Int32, queue: DispatchQueue)20#### createReadSource(fileDescriptor: Int32, queue: DispatchQueue, handler: @escaping () -> Void)21#### createReadSource(fileDescriptor: Int32, handler: @escaping () -> Void)22#### createWriteSource(fileDescriptor: Int32)23#### createWriteSource(fileDescriptor: Int32, queue: DispatchQueue)24#### createWriteSource(fileDescriptor: Int32, queue: DispatchQueue, handler: @escaping () -> Void)25#### createWriteSource(fileDescriptor: Int32, handler: @escaping () -> Void)26#### createSignalSource(signal: Int32)27#### createSignalSource(signal: Int32, queue: DispatchQueue)28#### createSignalSource(signal: Int32, queue: DispatchQueue, handler: @escaping () -> Void)29#### createSignalSource(signal: Int32, handler: @escaping () -> Void)30#### createProcessSource(identifier: Int32)31#### createProcessSource(identifier: Int32, queue:

1let awaiter = Awaiter()2let timer = awaiter.createTimerSource(interval: 1)3timer.setEventHandler {4    print("Timer fired!")5}6timer.resume()7RunLoop.main.run()8let awaiter = Awaiter()9let timer = awaiter.createTimerSource(interval: 1)10timer.setEventHandler {11    print("Timer fired!")12}13timer.resume()14RunLoop.main.run()15let awaiter = Awaiter()16let timer = awaiter.createTimerSource(interval: 1)17timer.setEventHandler {18    print("Timer fired!")19}20timer.resume()21RunLoop.main.run()22let awaiter = Awaiter()23let timer = awaiter.createTimerSource(interval: 1)24timer.setEventHandler {25    print("Timer fired!")26}27timer.resume()28RunLoop.main.run()29let awaiter = Awaiter()30let timer = awaiter.createTimerSource(interval: 1)31timer.setEventHandler {32    print("Timer fired!")33}34timer.resume()35RunLoop.main.run()36let awaiter = Awaiter()37let timer = awaiter.createTimerSource(interval: 1)38timer.setEventHandler {39    print("Timer fired!")40}41timer.resume()42RunLoop.main.run()43let awaiter = Awaiter()44let timer = awaiter.createTimerSource(interval: 1)45timer.setEventHandler {46    print("Timer fired!")47}48timer.resume()49RunLoop.main.run()50let awaiter = Awaiter()51let timer = awaiter.createTimerSource(interval: 1)52timer.setEventHandler {53    print("Timer fired!")54}55timer.resume()56RunLoop.main.run()57let awaiter = Awaiter()58let timer = awaiter.createTimerSource(interval: 1)

1let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)2timer.setEventHandler {3  print("Timer fired")4}5timer.resume()6let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)7timer.setEventHandler {8  print("Timer fired")9}10timer.resume()11let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)12timer.setEventHandler {13  print("Timer fired")14}15timer.resume()16let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)17timer.setEventHandler {18  print("Timer fired")19}20timer.resume()21let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)22timer.setEventHandler {23  print("Timer fired")24}25timer.resume()26let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)27timer.setEventHandler {28  print("Timer fired")29}30timer.resume()31let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)32timer.setEventHandler {33  print("Timer fired")34}35timer.resume()36let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)37timer.setEventHandler {38  print("Timer fired")39}40timer.resume()41let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)42timer.setEventHandler {43  print("Timer fired")44}45timer.resume()46let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)

1let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)2timer.setEventHandler {3  print("Timer fired")4}5timer.resume()6let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)7timer.setEventHandler {8  print("Timer fired")9}10timer.resume()11let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)12timer.setEventHandler {13  print("Timer fired")14}15timer.resume()16let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)17timer.setEventHandler {18  print("Timer fired")19}20timer.resume()21let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)22timer.setEventHandler {23  print("Timer fired")24}25timer.resume()26let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)27timer.setEventHandler {28  print("Timer fired")29}30timer.resume()31let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)32timer.setEventHandler {33  print("Timer fired"d

1import Foundation2import Dispatch3let awaiter = Awaiter()4let timer = awaiter.createTimerSource(interval: 3.0, repeats: true) { (timer) in5    print("timer fired")6}7timer.resume()8import Foundation9import Dispatch10let awaiter = Awaiter()11awaiter.await(interval: 1.0) { (error) in12    print("timer fired")13}14import Foundation15import Dispatch16let awaiter = Awaiter()17let timer = awaiter.createTimerSource(interval: 3.0, repeats: true) { (timer) in18    print("timer fired")19}20timer.resume()21awaiter.await(interval: 1.0) { (error) in22    print("timer fired")23}24}25timer.resume()26let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)27timer.setEventHandler {28  print("Timer fired")29}30timer.resume()31let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)32timer.setEventHandler {33  print("Timer fired")34}35timer.resume()36let timer = Awaiter.createTimerSource(interval: 1.0, repeats: true)

1let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {2    print("Timer fired")3}4timer.resume()5let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {6    print("Timer fired")7}8timer.resume()9let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {10    print("Timer fired")11}12timer.resume()13let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {14    print("Timer fired")15}16timer.resume()17let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {18    print("Timer fired")19}20timer.resume()21let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {22    print("Timer fired")23}24timer.resume()25let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {26    print("Timer fired")27}28timer.resume()29let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {30    print("Timer fired")31}32timer.resume()33let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {34    print("Timer fired")35}36timer.resume()37let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {38    print("Timer fired")39}40timer.resume()41let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {42    print("Timer fired")43}44timer.resume()45let timer = Awaiter.createTimerSource(interval: 1.0, repeats: false) {46    print("Timer fired

1import Foundation2import Dispatch3let awaiter = Awaiter()4let timer = awaiter.createTimerSource(interval: 3.0, repeats: true) { (timer) in5    print("timer fired")6}7timer.resume()8import Foundation9import Dispatch10let awaiter = Awaiter()11awaiter.await(interval: 1.0) { (error) in12    print("timer fired")13}14import Foundation15import Dispatch16let awaiter = Awaiter()17let timer = awaiter.createTimerSource(interval: 3.0, repeats: true) { (timer) in18    print("timer fired")19}20timer.resume()21awaiter.await(interval: 1.0) { (error) in22    print("timer fired")23}