Deprecate @UIApplicationMain and @NSApplicationMain 관련

HACKING WITH SWIFT

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What's new in Swift?

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Deprecate @UIApplicationMain and @NSApplicationMain | Changes in Swift 5.10

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Deprecate @UIApplicationMain and @NSApplicationMain

Available from Swift 5.10

SE-0383 (apple/swift-evolution) formally deprecates the @UIApplicationMain and @NSApplicationMain attributes, encouraging folks to switch across to the general-purpose @main attribute that was introduced back in Swift 5.3.

Adopting this change is trivial. You should be able to change this code:

import SwiftUI 

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
    // your code here
}

To this:

@main
class AppDelegate: UIResponder, UIApplicationDelegate {
    // your code here        
}

Or if you're using SwiftUI, just this:

@main
struct SandboxApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}

Other Changes in Swift 5.10

Data races are now clearly diagnosed | Changes in Swift 5.10

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Data races are now clearly diagnosed

Allow Protocols to be Nested in Non-Generic Contexts | Changes in Swift 5.10

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Allow Protocols to be Nested in Non-Generic Contexts

Refined actor initialization and deinitialization | Changes in Swift 5.10

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Refined actor initialization and deinitialization

Download Swift 5.10 playground