fix warnings

DXFeedFrameworkTests/EndpointTest.swift

@@ -111,5 +111,5 @@ final class EndpointTest: XCTestCase {
             DXEndpoint.Role.fromNative(nativeRole)
         }, roles)
     }
-    
+
 }

Samples/DXFeedCandleChart/DXFeedCandleChartApp.swift

@@ -15,7 +15,3 @@ struct DXFeedCandleChartApp: App {
         }
     }
 }
-
-
-
-

Samples/DXFeedCandleChartMac/CandleStickChart.swift

@@ -44,9 +44,9 @@ Low: \(self.low.formatted(currency: currency))
 }
 
 extension Array {
-    mutating func safeReplace(_ newElement: Element, at:Int) {
-        if at >= 0 && at < self.count {
-            self[at] = newElement
+    mutating func safeReplace(_ newElement: Element, at index: Int) {
+        if index >= 0 && index < self.count {
+            self[index] = newElement
         } else {
             print("error during replace")
         }
@@ -88,7 +88,6 @@ struct StockPrice: Identifiable {
     }
 }
 
-
 class CandleList: ObservableObject, SnapshotDelegate {
     func receiveEvents(_ events: [DXFeedFramework.MarketEvent], isSnapshot: Bool) {
 
@@ -150,7 +149,8 @@ class CandleList: ObservableObject, SnapshotDelegate {
     func fetchInfo() {
         DispatchQueue.global(qos: .background).async {
             let reader = DXInstrumentProfileReader()
-            let result = try? reader.readFromFile(address: "https://demo:[email protected]/ipf?SYMBOL=\(self.symbol)")
+            let address = "https://demo:[email protected]/ipf?SYMBOL=\(self.symbol)"
+            let result = try? reader.readFromFile(address: address)
             guard let result = result  else {
                 return
             }
@@ -263,7 +263,9 @@ struct CandleStickChart: View {
                 low: .value("Low", price.low),
                 close: .value("Close", price.close)
             )
-            .accessibilityLabel("\(price.timestamp.formatted(date: .complete, time: .omitted)): \(price.accessibilityTrendSummary)")
+            .accessibilityLabel("""
+\(price.timestamp.formatted(date: .complete, time: .omitted)): \(price.accessibilityTrendSummary)
+""")
             .accessibilityValue(price.accessibilityDescription)
             .accessibilityHidden(false)
             .foregroundStyle( price.isClosingHigher ? .green : .red)
@@ -300,7 +302,9 @@ struct CandleStickChart: View {
                             .exclusively(
                                 before: DragGesture()
                                     .onChanged { value in
-                                        selectedPrice = findElement(location: value.location, proxy: proxy, geometry: geo)
+                                        selectedPrice = findElement(location: value.location,
+                                                                    proxy: proxy,
+                                                                    geometry: geo)
                                     }
                             )
                     )
@@ -355,7 +359,7 @@ struct CandleStickChart: View {
         if let date = proxy.value(atX: relativeXPosition) as Date? {
             // Find the closest date element.
             var minDistance: TimeInterval = .infinity
-            var index: Int? = nil
+            var index: Int?
             for dataIndex in list.candles.indices {
                 let nthSalesDataDistance = list.candles[dataIndex].timestamp.distance(to: date)
                 if abs(nthSalesDataDistance) < minDistance {
@@ -400,50 +404,49 @@ struct CandleStickMark: ChartContent {
 // MARK: - Accessibility
 
 extension CandleStickChart: AXChartDescriptorRepresentable {
-    func makeChartDescriptor() -> AXChartDescriptor {
+    func createLowest() -> ((KeyPath<StockPrice, Decimal>) -> (Double)) {
+        { path in
+            return list.candles.map { $0[keyPath: path]} .min()?.asDouble ?? 0
+        }
+    }
+    func createHighest() -> ((KeyPath<StockPrice, Decimal>) -> (Double)) {
 
+        { path in
+            return list.candles.map { $0[keyPath: path]} .max()?.asDouble ?? 0
+        }
+    }
+    func makeChartDescriptor() -> AXChartDescriptor {
         let dateStringConverter: ((Date) -> (String)) = { date in
             date.formatted(date: .abbreviated, time: .omitted)
         }
-
         // These closures help find the min/max for each axis
-        let lowestValue: ((KeyPath<StockPrice, Decimal>) -> (Double)) = { path in
-            return list.candles.map { $0[keyPath: path]} .min()?.asDouble ?? 0
-        }
-        let highestValue: ((KeyPath<StockPrice, Decimal>) -> (Double)) = { path in
-            return list.candles.map { $0[keyPath: path]} .max()?.asDouble ?? 0
-        }
-
+        let lowestValue = createLowest()
+        let highestValue = createHighest()
         let xAxis = AXCategoricalDataAxisDescriptor(
             title: "Date",
             categoryOrder: list.candles.map { dateStringConverter($0.timestamp) }
         )
-
         // Add axes for each data point captured in the candlestick
         let closeAxis = AXNumericDataAxisDescriptor(
             title: "Closing Price",
             range: 0...highestValue(\.close),
             gridlinePositions: []
         ) { value in "Closing: \(value.formatted(currency: list.currency)))" }
-
         let openAxis = AXNumericDataAxisDescriptor(
             title: "Opening Price",
             range: lowestValue(\.open)...highestValue(\.open),
             gridlinePositions: []
         ) { value in "Opening: \(value.formatted(currency: list.currency))" }
-
         let highAxis = AXNumericDataAxisDescriptor(
             title: "Highest Price",
             range: lowestValue(\.high)...highestValue(\.high),
             gridlinePositions: []
         ) { value in "High: \(value.formatted(currency: list.currency))" }
-
         let lowAxis = AXNumericDataAxisDescriptor(
             title: "Lowest Price",
             range: lowestValue(\.low)...highestValue(\.low),
             gridlinePositions: []
         ) { value in "Low: \(value.formatted(currency: list.currency))" }
-
         let series = AXDataSeriesDescriptor(
             name: list.descriptionString,
             isContinuous: false,
@@ -458,7 +461,6 @@ extension CandleStickChart: AXChartDescriptorRepresentable {
 
         return AXChartDescriptor(
             title: list.descriptionString,
-            summary: nil,
             xAxis: xAxis,
             yAxis: closeAxis,
             additionalAxes: [openAxis, highAxis, lowAxis],
@@ -482,12 +484,24 @@ struct CandleInfoView: View {
         VStack(alignment: .center, spacing: 4) {
             Text(price.timestamp.formatted(date: .abbreviated, time: .omitted))
             HStack(spacing: 10) {
-                Text("Open: \(price.open.formatted(.currency(code: currency)))" ).foregroundColor(.secondary).frame(minWidth: 0, maxWidth: .infinity, alignment: .leading).minimumScaleFactor(0.01)
-                Text("Close: \(price.close.formatted(.currency(code: currency)))").foregroundColor(.secondary).frame(minWidth: 0, maxWidth: .infinity, alignment: .leading).minimumScaleFactor(0.01)
+                Text("Open: \(price.open.formatted(.currency(code: currency)))")
+                    .foregroundColor(.secondary)
+                    .frame(minWidth: 0, maxWidth: .infinity, alignment: .leading)
+                    .minimumScaleFactor(0.01)
+                Text("Close: \(price.close.formatted(.currency(code: currency)))")
+                    .foregroundColor(.secondary)
+                    .frame(minWidth: 0, maxWidth: .infinity, alignment: .leading)
+                    .minimumScaleFactor(0.01)
             }
             HStack(spacing: 10) {
-                Text("High: \(price.high.formatted(.currency(code: currency)))").foregroundColor(.secondary).frame(minWidth: 0, maxWidth: .infinity, alignment: .leading).minimumScaleFactor(0.01)
-                Text("Low: \(price.low.formatted(.currency(code: currency)))").foregroundColor(.secondary).frame(minWidth: 0, maxWidth: .infinity, alignment: .leading).minimumScaleFactor(0.01)
+                Text("High: \(price.high.formatted(.currency(code: currency)))")
+                    .foregroundColor(.secondary)
+                    .frame(minWidth: 0, maxWidth: .infinity, alignment: .leading)
+                    .minimumScaleFactor(0.01)
+                Text("Low: \(price.low.formatted(.currency(code: currency)))")
+                    .foregroundColor(.secondary)
+                    .frame(minWidth: 0, maxWidth: .infinity, alignment: .leading)
+                    .minimumScaleFactor(0.01)
             }
         }
         .lineLimit(1)

Samples/DXFeedCandleChartMac/DXFeedCandleChartMacApp.swift

@@ -12,7 +12,7 @@ struct DXFeedCandleChartMacApp: App {
     let symbol = "AAPL"
     var body: some Scene {
         WindowGroup {
-            CandleStickChart(symbol: symbol, 
+            CandleStickChart(symbol: symbol,
                              type: .week,
                              date: Calendar.current.date(byAdding: .year, value: -4, to: Date()),
                              endpoint: nil)

Samples/Playgrounds/LastEventsConsole.playground/Contents.swift

@@ -2,15 +2,13 @@ import PlaygroundSupport
 import UIKit
 import DXFeedFramework
 
-/**
- * This sample demonstrates a way to subscribe to the big world of symbols with dxFeed API, so that the events are
- * updated and cached in memory of this process, and then take snapshots of those events from memory whenever
- * they are needed. This example repeatedly reads symbol name from the console and prints a snapshot of its last
- * quote, trade, summary, and profile events.
- */
-
-// Just UI for symbol input
+/// This sample demonstrates a way to subscribe to the big world of symbols with dxFeed API, so that the events are
+/// updated and cached in memory of this process, and then take snapshots of those events from memory whenever
+/// they are needed. This example repeatedly reads symbol name from the console and prints a snapshot of its last
+/// quote, trade, summary, and profile events.
+
 class InputViewController: UIViewController {
+    // Just UI for symbol input
     var textField = UITextField()
     var resultLabel = UILabel()
 
@@ -109,16 +107,14 @@ func fetchData(feed: DXFeed, symbol: String) throws -> String {
      * available for any reason and the wait above had timed out. This sample just prints all results.
      * "null" is printed when the event is not available.
      */
-    try promises.forEach { pr in
-        result += (try pr.getResult()?.toString() ?? "Null result for \(pr)") + "\n"
+    try promises.forEach { promise in
+        result += (try promise.getResult()?.toString() ?? "Null result for \(promise)") + "\n"
     }
     print(result)
     print("end fetching for \(symbol)")
     return result
 }
 
-
-
 let viewController = InputViewController()
 viewController.feed = feed
 viewController.view.frame = CGRect(x: 0, y: 0, width: 400, height: 300)

Samples/QuoteTableApp/QuoteTableViewController.swift

@@ -30,7 +30,7 @@ class QuoteTableViewController: UIViewController {
         self.quoteTableView.backgroundColor = .clear
 
         quoteTableView.separatorStyle = .none
-        
+
         noticeButton.setTitle("Learn more about dxFeed APIs", for: .normal)
         noticeButton.titleEdgeInsets = UIEdgeInsets(top: 0, left: 8, bottom: 0, right: 0)
 
@@ -155,7 +155,7 @@ extension QuoteTableViewController: UITableViewDelegate {
 
     func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         let symbol = symbols[indexPath.row]
-        let candleChartViewController = MyUIHostingController(rootView: CandleStickChart(symbol: symbol, 
+        let candleChartViewController = MyUIHostingController(rootView: CandleStickChart(symbol: symbol,
                                                                                          type: .week,
                                                                                          endpoint: endpoint))
         candleChartViewController.title = symbol
@@ -170,7 +170,7 @@ extension QuoteTableViewController: UIGestureRecognizerDelegate {
     }
 }
 
-class MyUIHostingController<Content>: UIHostingController<Content> where Content : View {
+class MyUIHostingController<Content>: UIHostingController<Content> where Content: View {
     override func viewDidLoad() {
         super.viewDidLoad()
         // fix for datepicker selected color