map -package:containers is:exact -package:base -package:base-compat-batteries -package:charset -package:basement -package:aeson -package:filepath -package:pipes -package:conduit 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.