map -package:containers -package:base -is:exact -package:aeson -package:conduit -package:ghc is:exact -package:invertible -package:imports -package:basement -package:base-compat 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.