map -package:containers is:exact -package:dlist -package:basement -package:conduit -package:base-prelude -package:filepath -package:pipes -package:invertible 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.