public bool IsLowerHalf(PageMap <TData> outer)
{
var outerMiddle = outer.Count / 2;
return(Bounds.Max >= outerMiddle && Bounds.Min >= outerMiddle);
}
public EnumeratorBackward(PageMap <TData> page)
{
_page = page;
_index = _page.Bounds.Max + 1;
}
public bool IsHalfFits(PageMap <TData> outer)
{
return(outer.Count * 2 / _source.Count > 0);
}
public EnumeratorForward(PageMap <TData> page)
{
_page = page;
_index = _page.Bounds.Min - 1;
}