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