{"id":1493,"date":"2026-07-28T06:23:40","date_gmt":"2026-07-28T06:23:40","guid":{"rendered":"https:\/\/www.vpascode.com\/in\/docs\/uncategorized\/code\/swift\/"},"modified":"2026-07-29T09:13:12","modified_gmt":"2026-07-29T09:13:12","slug":"swift-visualizer-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/in\/docs\/vpascode-docs\/code\/swift-visualizer-guide\/","title":{"rendered":"Swift"},"content":{"rendered":"<p>When architecting iOS, macOS, or server-side Swift applications, reading dense protocol declarations, value-type structs, and reference-type class hierarchies can make it difficult to visualize overall system architecture. The <strong>Swift Visualizer<\/strong> transforms Swift protocols, structs, classes, enums with associated values, and protocol extensions into clear, interactive class diagrams. By parsing property declarations (<code>let<\/code>, <code>var<\/code>), access control specifiers, protocol conformance, and inheritance networks, iOS engineers and mobile architects can visually inspect application design patterns at a glance.<\/p>\n<h2>The Mechanics of Swift Visualizations<\/h2>\n<p>In VPasCode, Swift rendering automatically parses <code>protocol<\/code> definitions, <code>struct<\/code> value types, <code>class<\/code> reference types, and <code>enum<\/code> variants into structured UML-style diagram cards. Value types and protocols serve as primary domain nodes, property contracts list as typed attributes, and protocol conformance or class inheritance keywords generate clear relationship connectors between visual entities.<\/p>\n<h3>1. Essential Setup<\/h3>\n<p>To visualize a standard Swift architecture, define protocols for behavioral contracts alongside structs and classes. An IoT smart home ecosystem demonstrates fundamental Swift protocol conformance and value types:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Swift<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-swift\"><code data-language=\"swift\" class=\"language-swift\">import Foundation\r\n\r\n\/\/ Enum representing power state with value types\r\npublic enum DeviceState {\r\n    case off\r\n    case standby\r\n    case active(powerUsageWatts: Double)\r\n}\r\n\r\n\/\/ Protocol contract for smart home peripherals\r\npublic protocol SmartDevice {\r\n    var deviceID: String { get }\r\n    var name: String { get set }\r\n    var state: DeviceState { get }\r\n    \r\n    func turnOn()\r\n    func turnOff()\r\n}\r\n\r\n\/\/ Struct implementation of a smart light fixture\r\npublic struct SmartBulb: SmartDevice {\r\n    public let deviceID: String\r\n    public var name: String\r\n    public private(set) var state: DeviceState\r\n    public var brightnessLevel: Int\r\n\r\n    public init(deviceID: String, name: String, brightnessLevel: Int = 100) {\r\n        self.deviceID = deviceID\r\n        self.name = name\r\n        self.brightnessLevel = brightnessLevel\r\n        self.state = .off\r\n    }\r\n\r\n    public mutating func turnOn() {\r\n        self.state = .active(powerUsageWatts: 9.5)\r\n    }\r\n\r\n    public mutating func turnOff() {\r\n        self.state = .off\r\n    }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift: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\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"TwVAuEq\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-1541 size-full\" src=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350.png\" alt=\"\" width=\"1954\" height=\"870\" srcset=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350.png 1954w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350-300x134.png 300w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350-1024x456.png 1024w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350-768x342.png 768w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a68579e4bf12-e1785223412350-1536x684.png 1536w\" sizes=\"(max-width: 1954px) 100vw, 1954px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Advanced Structural Techniques<\/h2>\n<p>Swift visualizations excel at mapping out StoreKit purchase handlers, enum state machines with associated values, and protocol-oriented service architectures.<\/p>\n<h3>1. App Store Subscription &amp; In-App Purchase Service<\/h3>\n<p>By combining enums with associated transaction payloads, delegate protocols, and manager classes, VPasCode cleanly breaks down complex iOS monetization architectures into readable visual trees:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Swift<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift:eNqNUk1Lw0AQvRf6H4aeEiitgpcGpBSC4EEsBs9luzupq9vdZT+iIv3v7jZNmtQozmXDZN7MmzeP77UyDu6Ul4w4ruR4NB5pvxWcAkq\/h7U39IVYfELrhYOv8QhC0JAB6ylFaxNniLSERvR9nkHhDJe7KegTkq1cBjlxmHawGiULVZ1MSbhAlqAxyuRoqeE6dmz6BfChw00b5RRVIvxVBgs0FaeYo8BdGJTBSn4+bl+RtoRLLynYTm2yAVt\/ZXWPByLJDs0UGGfPOojRrGyOT3ahxAWfkksigApiba9dM7+lzavQObHoUqiIgShbhYXftgufJVz2oO9I3o4Q1m45tPsykurAuOQu+XMK3ILkIm2YxrAoytkQKNQOpWvk4WL0UfPGBWujmKcu0fV7nt8bPJ9DwfdehEWgY6t47mi11jExBDa3Caz6x5n9Ys2J+9gsFjdX15MBeyZp+j8F2hXO5c1NlrOex2KXH4bKTqzTVrXDN1HsLA4=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-swift\"><code data-language=\"swift\" class=\"language-swift\">import Foundation\r\n\r\npublic enum PurchaseResult {\r\n    case success(transactionID: String, purchasedAt: Date)\r\n    case pending\r\n    case failed(errorDescription: String)\r\n}\r\n\r\npublic protocol StoreServiceDelegate: AnyObject {\r\n    func storeService(_ service: StoreManager, didUpdateResult result: PurchaseResult)\r\n}\r\n\r\npublic final class StoreManager {\r\n    public private(set) var activeSubscriptionID: String?\r\n    public weak var delegate: StoreServiceDelegate?\r\n\r\n    public init(activeSubscriptionID: String? = nil) {\r\n        self.activeSubscriptionID = activeSubscriptionID\r\n    }\r\n\r\n    public func purchaseProduct(productID: String) {\r\n        \/\/ Simulate transaction processing\r\n        let result = PurchaseResult.success(transactionID: \"tx_99401\", purchasedAt: Date())\r\n        self.activeSubscriptionID = productID\r\n        delegate?.storeService(self, didUpdateResult: result)\r\n    }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift:eNqNUk1Lw0AQvRf6H4aeEiitgpcGpBSC4EEsBs9luzupq9vdZT+iIv3v7jZNmtQozmXDZN7MmzeP77UyDu6Ul4w4ruR4NB5pvxWcAkq\/h7U39IVYfELrhYOv8QhC0JAB6ylFaxNniLSERvR9nkHhDJe7KegTkq1cBjlxmHawGiULVZ1MSbhAlqAxyuRoqeE6dmz6BfChw00b5RRVIvxVBgs0FaeYo8BdGJTBSn4+bl+RtoRLLynYTm2yAVt\/ZXWPByLJDs0UGGfPOojRrGyOT3ahxAWfkksigApiba9dM7+lzavQObHoUqiIgShbhYXftgufJVz2oO9I3o4Q1m45tPsykurAuOQu+XMK3ILkIm2YxrAoytkQKNQOpWvk4WL0UfPGBWujmKcu0fV7nt8bPJ9DwfdehEWgY6t47mi11jExBDa3Caz6x5n9Ys2J+9gsFjdX15MBeyZp+j8F2hXO5c1NlrOex2KXH4bKTqzTVrXDN1HsLA4=\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"HHnSsRc\"><img decoding=\"async\" class=\"alignnone wp-image-1542 size-full\" src=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286.png\" alt=\"\" width=\"1954\" height=\"583\" srcset=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286.png 1954w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286-300x90.png 300w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286-1024x306.png 1024w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286-768x229.png 768w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857ce7bf22-e1785223426286-1536x458.png 1536w\" sizes=\"(max-width: 1954px) 100vw, 1954px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Structuring Push Notification &amp; Messaging Dispatchers<\/h2>\n<p>Visualizing payload structs, notification channels, and protocol extension defaults helps Apple platform engineers maintain clean separation across asynchronous background services.<\/p>\n<h3>1. iOS Push Notification Dispatcher<\/h3>\n<p>Group message payload value types, notification protocols, and concrete service dispatchers to map out background processing topology:<\/p>\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">Swift<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift:eNqtk8Fqg0AQhu+C7zB4iUJJ2qvQQ2kpCCUE0mMuG3c0A+uurKs0lLx7R6ONtjXtoXvTHf\/9vpmVitJYB8+m1lI4Mtr3fK+s94pSqJytUwdr4yijtNvdiKMyQsK77wGvvlChA0dOYQxbZ0nn33b3Rh5nNzkac2OPiUTdHoV2PkfIHB8Z1sWQaOd7pxFvaY0zqVET4ieqSuHSA9oBOqs1u\/EbWSt8MalQ4\/qwPCvGP3nfAGPlOdpEbzE1WlYxvFKBjIK2ESrqgVYr2Aww+OZQV5zR8jUkWQskZqJWrIMH0ZCxvnepug7fq04ckqJASdzEq+zRENGuP+iX88p3y9vonHWaTiAjLRSkSlQVPGzW1YU\/\/s3LUsMG3ZBRN2SNLrCd8nARJvqkyYU\/lME9BNxlydeWTwmmyqiy5egbrh09ferMt\/mfr8qYje21C4Ntf5KExW4IX3Y\/VrRgZ9iFXzOjChoSXa8h3I1bEkXBaEYfI9lTHA==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-swift\"><code data-language=\"swift\" class=\"language-swift\">import Foundation\r\n\r\npublic struct NotificationPayload {\r\n    public let title: String\r\n    public let body: String\r\n    public let categoryIdentifier: String\r\n    public let badgeCount: Int\r\n}\r\n\r\npublic protocol NotificationDispatcher {\r\n    func scheduleLocalNotification(payload: NotificationPayload, triggerInSeconds: TimeInterval)\r\n}\r\n\r\n\/\/ Protocol extension providing default behavior\r\nextension NotificationDispatcher {\r\n    public func scheduleImmediate(payload: NotificationPayload) {\r\n        scheduleLocalNotification(payload: payload, triggerInSeconds: 1.0)\r\n    }\r\n}\r\n\r\npublic final class APNsDispatcher: NotificationDispatcher {\r\n    private let environment: String\r\n\r\n    public init(environment: String = \"production\") {\r\n        self.environment = environment\r\n    }\r\n\r\n    public func scheduleLocalNotification(payload: NotificationPayload, triggerInSeconds: TimeInterval) {\r\n        print(\"Scheduled '\\(payload.title)' in \\(triggerInSeconds)s via APNs (\\(environment))\")\r\n    }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/#swift:eNqtk8Fqg0AQhu+C7zB4iUJJ2qvQQ2kpCCUE0mMuG3c0A+uurKs0lLx7R6ONtjXtoXvTHf\/9vpmVitJYB8+m1lI4Mtr3fK+s94pSqJytUwdr4yijtNvdiKMyQsK77wGvvlChA0dOYQxbZ0nn33b3Rh5nNzkac2OPiUTdHoV2PkfIHB8Z1sWQaOd7pxFvaY0zqVET4ieqSuHSA9oBOqs1u\/EbWSt8MalQ4\/qwPCvGP3nfAGPlOdpEbzE1WlYxvFKBjIK2ESrqgVYr2Aww+OZQV5zR8jUkWQskZqJWrIMH0ZCxvnepug7fq04ckqJASdzEq+zRENGuP+iX88p3y9vonHWaTiAjLRSkSlQVPGzW1YU\/\/s3LUsMG3ZBRN2SNLrCd8nARJvqkyYU\/lME9BNxlydeWTwmmyqiy5egbrh09ferMt\/mfr8qYje21C4Ntf5KExW4IX3Y\/VrRgZ9iFXzOjChoSXa8h3I1bEkXBaEYfI9lTHA==\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit Swift in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<p id=\"uuOGevg\"><img decoding=\"async\" class=\"alignnone wp-image-1543 size-full\" src=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813.png\" alt=\"\" width=\"1954\" height=\"1020\" srcset=\"https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813.png 1954w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813-300x157.png 300w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813-1024x535.png 1024w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813-768x401.png 768w, https:\/\/www.vpascode.com\/in\/wp-content\/uploads\/sites\/13\/2026\/07\/img_6a6857e509df6-e1785223439813-1536x802.png 1536w\" sizes=\"(max-width: 1954px) 100vw, 1954px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Strategic Best Practices<\/h2>\n<ul>\n<li><strong>Favor Value Types (Structs) for Models:<\/strong> Use <code>struct<\/code> for immutable data transfer objects and state payloads so models remain safe and predictable in visual diagrams.<\/li>\n<li><strong>Define Contracts with Protocols:<\/strong> Model behavioral interfaces using <code>protocol<\/code> definitions rather than deep class inheritance trees.<\/li>\n<li><strong>Leverage Enums with Associated Values:<\/strong> Represent mutually exclusive state results (e.g., <code>PurchaseResult<\/code>) using Swift enums to explicitly show payload relationships.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>When architecting iOS, macOS, or server-side Swift applications, reading dense protocol declarations, value-type structs, and reference-type class hierarchies can make it difficult to visualize overall system architecture. The Swift Visualizer transforms Swift protocols, structs, classes, enums with associated values, 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