map -package:containers -package:base is:exact -package:Cabal-syntax -package:dlist -package:base-prelude -package:invertible -package:base-compat -package:foldl -package:incipit-base -package:base-compat-batteries package:aeson

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