map -package:containers -package:charset -package:dense-linear-algebra -package:blaze-html -package:case-insensitive -package:base-compat-batteries -package:filepath -package:dlist -package:os-string -package:bytestring -package:psqueues is:exact package:aeson

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