map -package:containers -package:case-insensitive -package:dlist -is:exact -package:dense-linear-algebra -package:charset -package:incipit-base -package:amazonka-core -package:filepath -package:hedgehog package:aeson is:exact

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