protected void Swap(int first, int second)
{
T temp = _items[first];
_items[first] = _items[second];
postProcess?.Invoke(_items[first], second, first);
_items[second] = temp;
postProcess?.Invoke(_items[second], first, second);
}
protected virtual void OnPostProcess(EventArgs e)
{
if (PostProcess != null)
{
PostProcess?.Invoke(this, e);
}
}