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