    "A function that returns the result of applying the given
     [[function|resulting]] to the [[item|Entry.item]]
     of a given [[Entry]], discarding its `key`.

         Map<String,List<Item>> map = ... ;
         {Item?*} topItems = map.map(forItem(List<Item>.first));"
    see (`function forKey`)
    tagged("Functions")
    shared Result forItem<Item,Result>(Result resulting(Item item))
                (Object->Item entry)
            => resulting(entry.item);