map -package:containers -package:charset -package:dense-linear-algebra -package:blaze-html -package:base-compat -package:dlist -package:foldl -package:incipit-base -package:invertible -package:basement package:aeson is:exact

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