public T Pop()
{
if (current != null)
{
T tmp = current.ValueOfElements;
current = current.Next;
return(tmp);
}
else
{
return(default);
public void Push(T value)
{
if (current == null)
{
current = new StackElement <T> {
ValueOfElements = value, Next = null
};
}
else
{
StackElement <T> tmp = new StackElement <T>()
{
ValueOfElements = value, Next = current
};
current = tmp;
}
}