map -package:containers -package:insert-ordered-containers -package:basement -package:monoidal-containers -package:dense-linear-algebra -is:exact -package:base-compat -package:foldl -package:ghc -package:filepath package:aeson -is:module is:exact

map :: (a -> b) -> KeyMap a -> KeyMap b
aeson Data.Aeson.KeyMap
Map a function over all values in the map.