map -package:containers -package:base-compat -package:Cabal-syntax -package:charset -is:exact -package:foldl -package:filepath -package:invertible is:exact -package:basement 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.