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iOS Enumerations and Optionals in Swift Introduction to Enumerations Enums and Objects

I have an error

swift_lint.swift:45:1: error: expected declaration

^ swift_lint.swift:25:7: note: in declaration of 'Robot' class Robot {

why knows why it happend?))

class Point {
    var x: Int
    var y: Int

    init(x: Int, y: Int) {
        self.x = x
        self.y = y

enum Direction {
    case left
    case right
    case up
    case down

class Robot {
    var location: Point

    init() {
        self.location = Point(x: 0, y: 0)

    func move(_ direction: Direction) {
        // Enter your code below
        switch direction {
        case .left: location.x-=1
        case .right: location.x+=1
        case .up: location.y+=1
        case .down: location.y-=1

Mike Gilroy
Mike Gilroy
7,411 Points

Hey Gani, looks like you're just missing a curly brace } at the end of your switch statement in the move function, so add an extra curly brace after your final direction switch case and you should be good to go :).

1 Answer