Grid.swift

import SwiftUI

@available(iOS 16.0, *)
struct ContentView {
    @State var alignment: HorizontalAlignment = .center
    
    var grid: some View {
        Grid {
            GridRow {
                Text("Aligned")
                    .gridColumnAlignment(alignment)
                ForEach(1...2, id: \.self) { index in
                    Text("Cell A\(index)")
                        .padding()
                        .border(Color(red: 1 / Double(index), green: 0, blue: 0), width: 3)
                }
            }
            GridRow {
                ForEach(1...3, id: \.self) { index in
                    Text("Cell B\(index)")
                        .padding()
                        .border(Color(red: 0, green: 1 / Double(index), blue: 0), width: 3)
                }
                Rectangle()
                    .frame(width: 2, height: 15)
                    .gridColumnAlignment(alignment)
            }
            GridRow {
                ForEach(1...4, id: \.self) { index in
                    Text("Cell C\(index)")
                        .padding()
                        .border(Color(red: 0, green: 0, blue: 1 / Double(index)), width: 3)
                }
            }
        }
        .frame(maxWidth: .infinity)
    }
}