final class ViewModel: ObservableObject {
    @Published var state = State()

    func updateBoolean(code: String, value: Bool) {
        state.items = state.items.map {
            if $0.code == code {
                var newItem = $0
                newItem.isOn = value
                return newItem
            }

            return $0
        }
    }
}

struct State {
    var items: [Item] = []
}

struct Item {
    var isOn: Bool = false
}

struct MyView: View {
    @ObservedObject var viewModel: ViewModel

    var body: some View {
        Form {
            ForEach(viewModel.state.items, id: \.self) { item in
                        BooleanSection(
                            label: item.name) { isOn in

                            self.viewModel.updateBoolean(
                                code: item.code,
                                value: isOn
                            )
                            print("Changed section boolean with -> \(isOn)")
                        }
            }
        }
    }
}

struct BooleanSection: View {
        @State var isOn = false
        let label: String
        let onChange: (Bool) -> Void

        var binding: Binding<Bool> {
            return Binding(get: {
                return self.isOn
            }, set: { isOn in
                self.isOn = isOn
                self.onChange(isOn)
            })
        }

        var body: some View {
            Section {
                Toggle(label, isOn: binding)
            }
        }
    }