public bool Remove(T item)
        {
            SingleLinkedListNode <T> previous = null;
            SingleLinkedListNode <T> current  = Head;

            while (current != null)
            {
                if (current.Value.Equals(item))
                {
                    if (previous != null)
                    {
                        previous.Next = current.Next;
                        if (current.Next == null)
                        {
                            Tail = previous;
                        }
                        Count--;
                    }
                    else
                    {
                        RemoveFirst();
                    }
                }
                previous = current;
                current  = current.Next;
            }
            return(false);
        }
        public void CopyTo(T[] array, int arrayIndex)
        {
            SingleLinkedListNode <T> current = Head;

            while (current != null)
            {
                array[arrayIndex++] = current.Value;
                current             = current.Next;
            }
        }
        public IEnumerator <T> GetEnumerator()
        {
            SingleLinkedListNode <T> current = Head;

            while (current != null)
            {
                yield return(current.Value);

                current = current.Next;
            }
        }
 public void RemoveFirst()
 {
     if (Count != 0)
     {
         Head = Head.Next;
         Count--;
         if (Count == 0)
         {
             Tail = null;
         }
     }
 }
        public void AddFirst(SingleLinkedListNode <T> node)
        {
            SingleLinkedListNode <T> temp = Head;

            Head      = node;
            Head.Next = temp;
            Count++;

            if (Count == 1)
            {
                Tail = Head;
            }
        }
        public void PrintList(string msg)
        {
            Console.Write(msg + "Single Linked List is : ");

            SingleLinkedListNode <T> current = Head;

            while (current != null)
            {
                Console.Write(current.Value + " ->  ");
                current = current.Next;
            }
            Console.WriteLine();
        }
        public bool Contains(T item)
        {
            SingleLinkedListNode <T> current = Head;

            while (current != null)
            {
                if (current.Value.Equals(item))
                {
                    return(true);
                }
                current = current.Next;
            }
            return(false);
        }
        public void AddLast(SingleLinkedListNode <T> node)
        {
            node.Next = null;

            if (Count == 0)
            {
                Head = node;
            }
            else
            {
                Tail.Next = node;
            }
            Tail = node;
            Count++;
        }
 public void RemoveLast()
 {
     if (Count != 0)
     {
         if (Count == 1)
         {
             Head = null;
             Tail = null;
         }
         else
         {
             SingleLinkedListNode <T> current = Head;
             while (current.Next != Tail)
             {
                 current = current.Next;
             }
             current.Next = null;
             Tail         = current;
         }
         Count--;
     }
 }