map -package:containers -package:base-compat -package:base -package:basement -package:psqueues -package:imports -package:hedgehog -package:charset is:exact -package:foldl -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.