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

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