map -package:containers -package:base -package:aeson -package:basement -package:base-compat -package:psqueues -package:Cabal-syntax -package:base-compat-batteries is:exact -package:dense-linear-algebra -package:bytestring -package:pipes -package:regex-tdfa package:monoidal-containers
O(n) Transform this map by applying a function to every value.