map is:exact -package:text -package:bytestring -package:aeson -package:case-insensitive -package:Cabal-syntax -package:base-compat-batteries -package:base-prelude -package:dense-linear-algebra -package:base -package:conduit -package:integration -package:hedgehog package:monoidal-containers
O(n) Transform this map by applying a function to every value.