Zeeshan Khan zeeshankhan

## Queue.swift

protocol QueueType {
    typealias Element
    mutating func enqueue(element: Element)
    mutating func dequeue() -> Element?
    func peek() -> Element?
}

final class Storage<Element> {

## IsUniquelyReference.swift

class A {
    var x = "a"
}

var a: A = A()
isUniquelyReferencedNonObjC(&a)

var b = a
isUniquelyReferencedNonObjC(&a)

	protocol QueueType {
	typealias Element
	mutating func enqueue(element: Element)
	mutating func dequeue() -> Element?
	func peek() -> Element?
	}

	final class Storage<Element> {

	class A {
	var x = "a"
	}

	var a: A = A()
	isUniquelyReferencedNonObjC(&a)

	var b = a
	isUniquelyReferencedNonObjC(&a)