Queue implementation in swift

public struct Queue<T>{

    private var array:[T]

    public init(){

        array = []


    //MARK: isEmpty

    public var isEmpty:Bool{

        return array.count == 0


    //MARK: count

    public var count:Int{

        return array.count


    //MARK: enqueue

    public mutating func enqueue(element:T){



    //MARK: dequeue

    public mutating func dequeue()->T?{

        if isEmpty{

            return nil


        return array.removeFirst()


    //MARK: get Peek element

    public func peek()->T?{

        return array.last



// this queue

var myQueue = Queue<Int>()




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