Alternative to switch statement in SwiftUI ViewBuilder block?

Question

⚠️ 23 June 2020 Edit: From Xcode 12, both switch and if let statements will be supported in the ViewBuilder!

I’ve been trying to replicate an app of

Answer 1

You can do with a wrapper View

struct MakeView: View {
    let make: () -> AnyView

    var body: some View {
        make()
    }
}

struct UseMakeView: View {
    let animal: Animal = .cat

    var body: some View {
        MakeView {
            switch self.animal {
            case .cat:
                return Text("cat").erase()
            case .dog:
                return Text("dog").erase()
            case .mouse:
                return Text("mouse").erase()
            }
        }
    }
}