map -package:dlist -package:basement -is:exact -package:charset package:os-string -is:exact

O(n) map f xs is the OsString 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.
O(n) map f xs is the ShortByteString obtained by applying f to each element of xs.
O(n) map f xs is the OsString obtained by applying f to each element of xs.
O(n) map f xs is the OsString obtained by applying f to each element of xs.