map -package:containers -package:blaze-html -package:invertible -package:bytestring -package:conduit -is:exact -package:basement -package:charset -package:aeson package:filepath -is:exact is:exact

O(n) map f xs is the ShortByteString obtained by applying f to each element of xs.
O(n) map f xs is the ShortByteString obtained by applying f to each element of xs.