Created
June 5, 2024 16:36
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Examples of Enums in Swift
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| import SwiftUI | |
| enum Color: Int { | |
| case red | |
| case blue | |
| case yellow | |
| } | |
| enum Decision { | |
| case yes | |
| case no | |
| } | |
| enum SheetVisibilityState { | |
| case showing | |
| case hidden | |
| } | |
| enum ElementType: String { | |
| case isScrollView | |
| case colorContrast | |
| } | |
| enum LoginAPI { | |
| case login(username: String, password: String) | |
| } | |
| struct ContentView: View { | |
| @State var color: Color = .blue | |
| @State var sheetVisibilityState = SheetVisibilityState.hidden | |
| @State var elementType = ElementType.colorContrast | |
| @State var api: LoginAPI? | |
| var body: some View { | |
| VStack { | |
| Image(systemName: "globe") | |
| .imageScale(.large) | |
| .foregroundStyle(.tint) | |
| Text("Hello, world!") | |
| } | |
| .padding() | |
| } | |
| func dosomething() { | |
| switch elementType { | |
| case .isScrollView: | |
| print("logic for isScrollView") | |
| case .colorContrast: | |
| print("logic for colorContrast") | |
| } | |
| if elementType == .colorContrast { | |
| } | |
| switch api { | |
| case .login(let name, let password): | |
| print("Hello \(name), your password is \(password)") | |
| case nil: | |
| print("Case nil here because the api property is optional") | |
| } | |
| } | |
| } | |
| #Preview { | |
| ContentView() | |
| } |
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