lt;fun&gt;)</CODE>: maps a function over the map. The function
should take two arguments; the first is a field name, the second is the
value of that field. The result is a new object constructed from the
values returned by the function.
</LI><LI CLASS="li-itemize"><CODE>o.foreach</CODE>: the <CODE>foreach</CODE> form is equivalent to <CODE>map</CODE>,
but with altered syntax.<PRE CLASS="verbatim">   o.foreach(&lt;var1&gt;, &lt;var2&gt;) =&gt;
      &lt;body&gt;
   </PRE><P>For example, the following functio