>> the function would be wise. From my brief look at it to formulate the
>> above I thought it was a bit icky. I'm not a good judge of what would
>> be regression-test friendly but I might have a go at reworking it. With
->> this variety of problem I have a strong inclination to use things like
->> map. - [[Jon]]
+>> this variety of problem I have a strong inclination to use HOFs like map,
+>> grep. - [[Jon]]