map -package:containers is:exact -package:dlist -package:basement -package:base-compat-batteries -package:Cabal-syntax -package:ghc -package:os-string -package:charset -package:pipes -package:regex-tdfa package:aeson

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