private static Iterator CreateWithBoundaryCheck(
RandomAccessCollectionBase <T, TSize, TSizeOperations> parent, TSize key)
{
if (parent == null)
{
return(Iterator.Null);
}
else if (Size.Compare(key, parent.End._key) >= 0)
{
return(parent.End);
}
else if (Size.Compare(key, parent.Begin._key) <= 0)
{
return(parent.Begin);
}
else
{
return(new Iterator(parent, key));
}
}
public Iterator(RandomAccessCollectionBase <T, TSize, TSizeOperations> parent, TSize key)
{
_parent = parent;
_key = key;
}
