map -package:containers -package:ghc -package:amazonka-core -package:dense-linear-algebra -package:base-compat -package:invertible -package:base -package:charset -is:exact -package:blaze-html -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.