map -package:containers -package:foldl -package:incipit-base -package:aeson -package:basement -package:psqueues -package:charset -package:invertible -package:conduit -package:base is:exact package:bytestring

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.