variable1.swift

variable.swift

struct ContentView: View {
    @State var greeting: String = "X"
    var body: some View {
        SwiftUIViewA(greeting: $greeting)
            .onTapGesture {
                greeting = "Hello, World!"
            }
    }
}

struct SwiftUIViewA: View {
    @Binding var greeting:String
    var body: some View {
        Text(greeting)
    }
}