map -package:containers -package:base -package:insert-ordered-containers -package:incipit-base -package:ghc -package:dlist -package:invertible -package:blaze-html -package:amazonka-core -is:exact package:aeson is:exact

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