public static void Main(string[] args)
{
var linkedList = new CoolLinkedList();
linkedList.AddHead(5);
linkedList.AddHead(10);
linkedList.AddHead(15);
// 15 <-> 10 <-> 5
Console.WriteLine((int)linkedList.Head == 15);
Console.WriteLine((int)linkedList.Tail == 5);
Console.WriteLine(linkedList.Count == 3);
linkedList.AddTail(20);
linkedList.AddTail(25);
// 15 <-> 10 <-> 5 <-> 20 <-> 25
linkedList.ForEach(Console.WriteLine);
linkedList.ForEach(Console.WriteLine, reverse: true);
var arr = linkedList.ToArray();
foreach (var item in arr)
{
Console.WriteLine(item);
}
Console.WriteLine((int)linkedList.Head == 15);
Console.WriteLine((int)linkedList.Tail == 25);
Console.WriteLine(linkedList.Count == 5);
Console.WriteLine((int)linkedList.RemoveHead() == 15);
Console.WriteLine((int)linkedList.RemoveHead() == 10);
Console.WriteLine((int)linkedList.Head == 5);
Console.WriteLine(linkedList.Count == 3);
//5 <-> 20 <-> 25
Console.WriteLine(linkedList.Contains(20));
Console.WriteLine(linkedList.Contains(25));
Console.WriteLine(linkedList.Contains(2) == false);
Console.WriteLine((int)linkedList.RemoveTail() == 25);
Console.WriteLine((int)linkedList.RemoveTail() == 20);
Console.WriteLine((int)linkedList.RemoveTail() == 5);
Console.WriteLine(linkedList.Count == 0);
linkedList.AddTail(5);
linkedList.AddTail(10);
linkedList.AddTail(5);
linkedList.AddTail(20);
linkedList.AddTail(5);
//5 <-> 10 <-> 5 <-> 20 <-> 5
linkedList.Remove(5);
//10 <-> 20
Console.WriteLine((int)linkedList.Head == 10);
Console.WriteLine((int)linkedList.Tail == 20);
Console.WriteLine(linkedList.Count == 2);
linkedList.Clear();
Console.WriteLine(linkedList.Count == 0);
}