
23 May
2016
23 May
'16
11:27 a.m.
On 05/20/2016 07:20 PM, David Feuer wrote:
foldMapWithIndex :: Monoid m => (Int -> a -> m) -> Seq a -> m
This would match both Data.Map.foldMapWithKey and Control.Lens.Indexed.ifoldMap, filling out the indexed fold menagerie.
+1 on the general principle that having as uniform an interface to the 'collections' is a Good Thing.