import SwiftUI

struct HalfPie : Shape
{
   func path( in rectangle: CGRect ) -> Path
   {
      var path = Path()
      path.move( to: CGPoint(
                            x: rectangle.midX,
                            y: rectangle.midY))

      path.addArc(center: CGPoint(
                            x: rectangle.midX,
                            y: rectangle.midY ),
                          radius: rectangle.width / 2,
         startAngle: Angle(degrees: 40),
         endAngle: Angle(degrees: 140),
         clockwise: false )

      path.closeSubpath()

    return path
   }
}

struct Triangle: Shape {
    func path(in rect: CGRect) -> Path {
        var path = Path()

        path.move(to: CGPoint(x: rect.midX, y: rect.minY))
        path.addLine(to: CGPoint(x: rect.minX, y: rect.maxY))
        path.addLine(to: CGPoint(x: rect.maxY, y: rect.maxY))
        path.closeSubpath()

        return path
    }
}

struct ContentView: View {

    @State private var selectedIndex = 0
    let shapes = ["Square","Triangle","Circle","PieSlice"]

    var body: some View {
        VStack(alignment:.center){
            Text("Select Shape")
                .font(.largeTitle)

            Group{

                if selectedIndex == 0{
                    Rectangle()
                        .stroke()
                        .frame(width:200,height:100)
                }

                else if selectedIndex == 1{
                    //   Rectangle()
                    Triangle()
                        .stroke()

                }

                else if selectedIndex == 2{
                    Circle()
                        .stroke()

                }

                else if selectedIndex == 3 {
                    HalfPie()
                        .foregroundColor(.green)
                        .stroke(Color.blue)
                }
            }
            .frame(width: 200, height: 200)
            .padding()

            Picker("Select Shape", selection: $selectedIndex){
                ForEach(0..<shapes.count, id: \.self){
                    Text(shapes[$0])
                }
            }.pickerStyle(SegmentedPickerStyle())
            .padding()
        }
    }
}

When I`m commenting any 1 condition its compiling. Doesnt matter which if/else it seems that its refusing to compile if there are more than 3 conditions.

And whats the explanation of the solution? 4 if/else statements are enough for xcode to get confused?