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Checkpoint 6 SOLVED

Forums > 100 Days of SwiftUI

struct Car {
    let model: String
    let numberOfSeats: Int
    private(set) var currentGear = 0
    private static let upshiftRange = 0..<10
    private static let downshiftRange = 1...10

    init(model: String, numberOfSeats: Int) {
        self.model = model
        self.numberOfSeats = numberOfSeats

    mutating func upShift() {
        if Car.upshiftRange.contains(currentGear) {
            currentGear += 1

    mutating func downShift() {
        if Car.downshiftRange.contains(currentGear){
            currentGear -= 1



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