map -package:containers -package:charset -package:invertible -is:exact -package:insert-ordered-containers -package:basement -is:exact is:exact -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.