map -package:dlist -package:basement -package:base -package:containers is:exact package:os-string

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.