map -package:base -is:exact -is:exact -package:text -package:unordered-containers -is:exact package:bytestring -is:exact is:exact

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.