map -package:unordered-containers -package:base-compat-batteries -package:dlist -package:foldl -package:base -package:charset 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.