class Pagy::Countless

def finalize(fetched)
  fetched == 0 && @page > 1 and raise(OverflowError.new(self), "page #{@page} got no items")
  @pages = @last = (fetched > @items ? @page + 1 : @page)         # set the @pages and @last
  @items = fetched if fetched < @items && fetched > 0             # adjust items for last non-empty page
  @from  = fetched == 0 ? 0 : @offset+1 - @outset                 # page begins from item
  @to    = fetched == 0 ? 0 : @offset + @items - @outset          # page ends to item
  @prev  = (@page-1 unless @page == 1)                            # nil if no prev page
  @next  = @page == @last ? (1 if @vars[:cycle]) : @page+1        # nil if no next page, 1 if :cycle
  self
end