map -package:containers -package:ghc -package:foldl -package:base-compat-batteries -package:charset -package:basement -package:blaze-html -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.