map is:exact -package:bytestring -package:case-insensitive -package:base-compat-batteries -package:foldl -package:blaze-html -package:dlist -package:amazonka-core -package:filepath -package:hedgehog -package:dense-linear-algebra -package:Cabal-syntax package:monoidal-containers
O(n) Transform this map by applying a function to every value.