Equivalent to
      <TT>fromList(Vector.toList <I>v</I>)</TT>.</P>
    </DD>

    <DT>
      <TT>toList <I>s</I></TT>
    </DT>
    <DD>
      <P>Returns the list of items in the set <TT><I>s</I></TT>. For red-black
      sets, the items are delivered in increasing order.</P>
    </DD>

    <DT>
      <TT>toVector <I>s</I></TT>
    </DT>
    <DD>
      <P>Returns the vector of items in the set <TT><I>s</I></TT>. For red-black
      sets, the items are delivered in increasing order. Equivalent to
      <TT>V