map -package:containers -package:basement -package:conduit -is:exact -package:pipes -package:invertible -package:ghc is:exact -package:foldl -package:filepath -package:aeson 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.