map -package:containers is:exact -package:Cabal-syntax -package:foldl -package:insert-ordered-containers -package:imports -package:bytestring -package:aeson -package:base-compat -package:incipit-base -package:dense-linear-algebra -package:base-compat-batteries package:monoidal-containers
O(n) Transform this map by applying a function to every value.