If you know C or Objective-C then you might be familiar with Enums and Structs. However, if you don’t know either of those languages then you are probably wondering what is their purpose and why you should use
Learn about delegates in Swift programming, their purpose, and how to implement them effectively in your applications.
@Observable@MainActorclassViewModel{varname="Anonymous"}structContentView:View{@StateprivatevarviewModel=ViewModel()varbody:someView{Text("Hello,\(viewModel.name)!")}} That would throw up "Call to main actor-isolated initializer 'init()' in a synchronous nonisolated context", which is a rather ...
Swift If you have spent some time with SwiftUI or if you have watched the WWDC videos on SwiftUI this year, you may have noticed that views in SwiftUI have a property called body of type some View. The some keyword is new in Swift 5.1 and it’s part of a feature called opaque result...
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body: "What is property Wrapper in Swift")Under the hood, you get an initializer that took advantage of the newly created init(wrappedValue: String).struct BlogTeaser { var title: String @Truncate var body: String // implicit memberwise initializer: init(title: String, body: String) { self...
New in Swift 1.1countElements() is now count() In Swift 1.0 you would count an array like this: let items = [1, 2, 3] println(countElements(items)) The countElements() function has been renamed to count() in Swift 1.1, so the new code is this: let items = [1, 2, 3] ...
As of Swift 3, the Swift standard library defines the AnyHashable supertype. This means that types conforming to the Hashable protocol can be used as AnyHashable. In the Swift standard library, AnyHashable is defined as a struct. public struct AnyHashable { public init<H>(_ base: H) where ...
Swift 5.2 is now available as part of Xcode 11.4. In this article, you’ll get an overview of the changes you’ll see moving to Swift 5.2.
Setup a view file in Xcode Define a simple form with 2 number inputs and a button Entering numbers and clicking button shows the sum in a popup The final code looks like this: BrowserStackDemo/ BrowserStackDemoApp.swift import SwiftUI import UIKit @main struct MyCalculatorApp: App { var...