map -package:text -package:basement -package:dense-linear-algebra -package:incipit-base -package:base-compat -package:filepath -package:charset is:exact 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.