[Help!] Spot my simple error in this Enum Challenge

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) {
        switch direction {
        case Direction.Up: location.y + 1
        break
        case Direction.Down: location.y - 1
        break
        case Direction.Right: location.x + 1
        break
        case Direction.Left: location.x - 1
        break
       }
    }
}