public T Pop()
{
T Result = default(T);
if (this.Count == 0)
{
return(Result);
}
if (this.Count == 1)
{
Result = this.first.data;
this.first = null;
this.last = null;
}
else
{
SimpleListItem <T> newLast = this.GetItem(this.Count - 2);
Result = newLast.next.data;
this.last = newLast;
newLast = null;
}
this.Count--;
return(Result);
}