IfLetContentView.swift

import SwiftUI

struct ContentView: View {
    @State var displayedText: String?
    @State var inputText: String = ""
    var body: some View {
        Form {
            Section("Input") {
                TextField("Write here", text: $inputText)
                Button("Set text") {
                    displayedText = inputText
                }
            }
            Section("Displayed Text") {
                if let displayedText {
                    Text(displayedText)
                } else {
                    Color.clear
                }
            }
        }
    }
}