variable5.swift

variable5.swift

struct ContentView: View {
    var body: some View {
        SwiftUIViewF()
            .onTapGesture {
                Greeting.shared.words = "Hello, World!"
            }
    }
}

final class Greeting: ObservableObject {
    @Published var words = "X"

    static var shared = Greeting()
}

struct SwiftUIViewF: View {
    @ObservedObject var meet = Greeting.shared
    var body: some View {
        Text(meet.words)
    }
}