map is:exact -package:aeson -package:dense-linear-algebra -package:bytestring -package:charset -package:case-insensitive -package:hedgehog -package:base-compat -package:amazonka-core -package:base-compat-batteries -package:containers -package:insert-ordered-containers package:monoidal-containers
O(n) Transform this map by applying a function to every value.