map -package:containers -package:base is:exact -package:basement -package:monoidal-containers -package:regex-tdfa -package:foldl -package:invertible -package:hedgehog -package:ghc 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.