map -package:containers is:exact -package:bytestring -package:base-compat-batteries -package:blaze-html -package:incipit-base -package:basement -package:hedgehog -package:Cabal-syntax -package:psqueues -package:ghc package:aeson

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