map -package:containers -package:blaze-html is:exact -package:dense-linear-algebra -package:charset -package:case-insensitive -package:Cabal-syntax -package:ghc -package:filepath -package:insert-ordered-containers -package:base-compat-batteries -package:base-compat package:monoidal-containers
O(n) Transform this map by applying a function to every value.