navigationBarItems

func navigationBarItems<L, C, T>(leading: L, center: C, trailing: T) -> some View where L: View, C: View, T: View {
    self.navigationBarItems(leading:
        HStack{
            HStack {
                leading
            }
            .frame(width: 100, alignment: .leading)
            Spacer()
            HStack {
                center
            }
            .frame(width: 130, alignment: .center)
            Spacer()
            HStack {
                trailing
            }
            .frame(width: 100, alignment: .trailing)
        }
        .frame(width: UIScreen.main.bounds.size.width-32)
    )
}