map -package:containers -package:Cabal-syntax -package:insert-ordered-containers -is:exact -package:case-insensitive -package:base -package:bytestring -package:incipit-base -package:dlist is:exact -package:ghc package:aeson

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