public override string ToString()
{
StackElement <T> element = head;
string str = "";
if (count == 0)
{
return("Очередь пуста!");
}
else if (count == 1)
{
return(str = element.Data.ToString());
}
else
{
str = element.Data.ToString();
element = element.Next;
while (element != null)
{
str += "<-" + element.Data.ToString();
element = element.Next;
}
return(str);
}
}
public void Push(T data)
{
StackElement <T> element = new StackElement <T>(data);
element.Next = head;
head = element;
count++;
}
public T Pop()
{
if (IsEmpty)
{
throw new InvalidOperationException("Стек пуст!");
}
StackElement <T> element = head;
head = head.Next;
count--;
return(element.Data);
}
public void Clear()
{
head = null;
tail = null;
count = 0;
}