* refactoring

Examples/iOS/LiveViewController.swift

@@ -73,7 +73,7 @@ final class LiveViewController: UIViewController {
         rtmpStream.attachCamera(DeviceUtil.device(withPosition: currentPosition)) { error in
             logger.warn(error.description)
         }
-        rtmpStream.addObserver(self, forKeyPath: "currentFPS", options: NSKeyValueObservingOptions.new, context: nil)
+        rtmpStream.addObserver(self, forKeyPath: "currentFPS", options: .new, context: nil)
         lfView?.attachStream(rtmpStream)
     }
 
@@ -125,12 +125,12 @@ final class LiveViewController: UIViewController {
             UIApplication.shared.isIdleTimerDisabled = false
             rtmpConnection.close()
             rtmpConnection.removeEventListener(Event.RTMP_STATUS, selector: #selector(self.rtmpStatusHandler), observer: self)
-            publish.setTitle("●", for: UIControlState())
+            publish.setTitle("●", for: [])
         } else {
             UIApplication.shared.isIdleTimerDisabled = true
             rtmpConnection.addEventListener(Event.RTMP_STATUS, selector: #selector(self.rtmpStatusHandler), observer: self)
             rtmpConnection.connect(Preference.defaultInstance.uri!)
-            publish.setTitle("■", for: UIControlState())
+            publish.setTitle("■", for: [])
         }
         publish.isSelected = !publish.isSelected
     }

Sources/HTTP/HTTPResponse.swift

@@ -36,10 +36,10 @@ extension HTTPResponseCompatible {
             let bytes: [Data.SubSequence] = newValue.split(separator: HTTPRequest.separator)
             for i in 0..<bytes.count {
                 count += bytes[i].count + 1
-                guard let line: String = String(bytes: Array(bytes[i]), encoding: String.Encoding.utf8), line != "\r" else {
+                guard let line: String = String(bytes: Array(bytes[i]), encoding: .utf8), line != "\r" else {
                         break
                 }
-                lines.append(line.trimmingCharacters(in: CharacterSet.newlines))
+                lines.append(line.trimmingCharacters(in: .newlines))
             }
 
             guard let first: [String] = lines.first?.components(separatedBy: " ") else {

Sources/Media/VideoIOComponent.swift

@@ -333,7 +333,7 @@ final class VideoIOComponent: IOComponent {
         defer {
             objc_sync_exit(effects)
         }
-        if let _: Int = effects.index(of: effect) {
+        if let _ = effects.index(of: effect) {
             return false
         }
         effects.append(effect)

Sources/Net/NetSocket.swift

@@ -113,7 +113,7 @@ public class NetSocket: NSObject {
 
         inputStream.delegate = self
         inputStream.schedule(in: runloop!, forMode: .defaultRunLoopMode)
-        inputStream.setProperty(securityLevel.rawValue, forKey: Stream.PropertyKey.socketSecurityLevelKey)
+        inputStream.setProperty(securityLevel.rawValue, forKey: .socketSecurityLevelKey)
 
         outputStream.delegate = self
         outputStream.schedule(in: runloop!, forMode: .defaultRunLoopMode)

Sources/RTMP/RTMPConnection.swift

@@ -260,7 +260,7 @@ open class RTMPConnection: EventDispatcher {
     }
 
     open func connect(_ command: String, arguments: Any?...) {
-        guard let uri: URL = URL(string: command), let scheme: String = uri.scheme, !connected && RTMPConnection.supportedProtocols.contains(scheme) else {
+        guard let uri = URL(string: command), let scheme: String = uri.scheme, !connected && RTMPConnection.supportedProtocols.contains(scheme) else {
             return
         }
         self.uri = uri

Sources/Util/TimerDriver.swift

@@ -56,11 +56,11 @@ extension TimerDriver: Running {
 
     final public func startRunning() {
         DispatchQueue.global(qos: .userInteractive).async {
-            if let _: RunLoop = self.runloop {
+            if let _ = self.runloop {
                 return
             }
             self.timer = Timer(
-                timeInterval: 0.0001, target: self, selector: #selector(TimerDriver.on(timer: )), userInfo: nil, repeats: true
+                timeInterval: 0.0001, target: self, selector: #selector(on(timer: )), userInfo: nil, repeats: true
             )
             self.nextFire = mach_absolute_time() + self.interval
             self.delegate?.tick(self)

Tests/Util/EventDispatcherTests.swift

@@ -6,9 +6,9 @@ import XCTest
 final class EventDispatcherTest: XCTestCase {
     func testMain() {
         let eventDispatcher: EventDispatcher = EventDispatcher()
-        eventDispatcher.addEventListener("test", selector: #selector(EventDispatcherTest.onTest(_: )), observer: self)
+        eventDispatcher.addEventListener("test", selector: #selector(onTest(_: )), observer: self)
         eventDispatcher.dispatch("type", bubbles: false, data: "Hoge")
-        eventDispatcher.removeEventListener("test", selector: #selector(EventDispatcherTest.onTest(_: )), observer: self)
+        eventDispatcher.removeEventListener("test", selector: #selector(onTest(_: )), observer: self)
         eventDispatcher.dispatch("test", bubbles: false, data: "Hoge")
     }