map is:exact -package:text -package:dense-linear-algebra -package:basement -package:base-compat-batteries -package:incipit-base -package:ghc -package:amazonka-core -package:integration -package:blaze-html -package:insert-ordered-containers -package:invertible -package:charset package:monoidal-containers
O(n) Transform this map by applying a function to every value.