 index_type from, index_type to);

        static void<br>        set_item(Container&amp; container, index_type i, data_type const&amp; v);

        static void
        set_slice(Container&amp; container, index_type from, 
            index_type to, data_type const&amp; v);

        template &lt;class Iter&gt;<br>        static void<br>        set_slice(Container&amp; container, index_type from,<br>            index_type to, Iter first, Iter last);

        static void 
        delete_item(Container&amp; co