map -is:exact -package:basement -package:base -is:exact -package:charset -package:dlist -package:hedgehog -package:invertible is:exact -package:containers 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.