map -package:containers -package:charset -package:blaze-html -package:invertible -package:base-compat -package:foldl -package:ghc -is:exact -package:base package:bytestring is:exact

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