Query the section that covers the given position. The number of items in the section can be computed by out_end - out_start.
If the position is larger than the number of items, a single range from n_items to G_MAXUINT will be returned.
the position of the item to query
the position of the first item in the section
the position of the first item not part of the section anymore.
Query the section that covers the given position. The number of items in the section can be computed by out_end - out_start.
If the position is larger than the number of items, a single range from n_items to G_MAXUINT will be returned.