SwiftUI semantics, drawn in terminal cells.

import SwiftTUI

struct CounterView: View {
  @State private var count = 0

  var body: some View {
    VStack(spacing: 1) {
      TextFigure("\(count)", font: .future)
        .frame(minWidth: 14, alignment: .center)
      Button("Increment") { count += 1 }
    }
    .frame(maxWidth: .infinity, maxHeight: .infinity)
  }
}

@main
struct CounterApp: App {
  var body: some Scene {
    WindowGroup("Counter") { CounterView() }
  }
}