map -package:containers -package:charset -package:invertible -is:exact -package:basement -package:psqueues -package:insert-ordered-containers -package:bytestring -is:exact package:filepath

O(n) map f xs is the ShortByteString 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.