"A comparator for [[Entry]]s which compares their items according to the given [[comparing]] function. value sortedEntries = map.sort(byItem(byIncreasing(String.lowercased))); This function is intended for use with [[Iterable.sort]] and [[Iterable.max]]." see (`function byKey`) tagged("Comparisons") shared Comparison byItem<Item>(Comparison comparing(Item x, Item y)) (Object->Item x, Object->Item y) given Item satisfies Object => comparing(x.item, y.item);