# File xapian.rb, line 287
    def postlist(term, &block)
      Xapian._safelyIterate(self._dangerous_postlist_begin(term),
                            self._dangerous_postlist_end(term),
                            lambda { |item| Xapian::Posting.new(item.docid, item.doclength, item.wdf) },
                            &block)
    end