map -package:containers -package:imports -package:basement -package:dense-linear-algebra -package:case-insensitive -package:Cabal-syntax -package:bytestring -package:base -package:psqueues -package:regex-tdfa -package:text -package:foldl package:monoidal-containers -is:exact is:exact
O(n) Transform this map by applying a function to every value.