map -package:containers -package:base-compat-batteries -package:charset -package:Cabal-syntax -package:case-insensitive -package:invertible -package:base package:filepath is:exact

O(n) map f xs is the ShortByteString 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.