map -package:containers is:exact -package:basement -package:base-prelude -package:conduit -package:base -package:os-string -package:charset -package:pipes 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.