Counter.swift

import SwiftUI

struct Counter: View {
  @State var count: Int = 0
  
  init() {
    print("Counter Created")
  }
  
  var body: some View {
    VStack {
      Text(String(count))
      
      Button("+ 1", action: { count = count + 1 })
    }
  }
}


struct ContentView: View {
    @State var random = 0
  
    var body: some View {
      VStack {
        Counter()
        
        Spacer()
        
        Text(String(random))
        Button("Random", action: { random = Int.random(in: 1...10) })
      }.font(.system(size: 26))
    }
}