LazyStack.swift

import SwiftUI

struct  Row {
    var value: Int
    init(value: Int) {
        print("INIT: \(value)") // see init calls with scroll in case of lazy loading
        self.value = value
    }
}

struct ContentView: View {
    var body: some View {
        NavigationView {
          ScrollView(.vertical){ //.horizontal for Horizontal scaoll
            LazyVStack(alignment: .leading) { //LazyHStack for Horizontal layout 
                ForEach(1...50, id: \.self) { i in
                    Text("Row: \(Row(value: i).value)").padding(.all, 10)
                }
            }
          }.navigationTitle("Demo Objects")
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}