/// <summary>
/// Initializes a new instance of the <see cref="Enumerator"/> struct.
/// </summary>
/// <param name="collection">Input collection.</param>
public Enumerator(CustomQueue <T> collection)
{
if (collection == null)
{
throw new ArgumentNullException(nameof(collection), "cannot be null");
}
this.version = collection.Version;
this.currentIndex = -1;
this.queue = collection;
}
static void ShowDemoQueue()
{
CustomQueue <int> queue = new CustomQueue <int>(0);
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
Console.WriteLine("Queue element count: {0}", queue.Count);
Console.WriteLine("It looks like: {0}", queue.ToString());
Console.WriteLine("Lets dequeue the element: {0}", queue.Dequeue());
Console.WriteLine("And the previous one: {0}", queue.Dequeue());
Console.WriteLine("It looks like: {0}", queue.ToString());
}