:: Ord a => [a] -> [a] -package:numeric-prelude -package:relude package:express

O(n log n). Sorts and remove repetitions. Equivalent to nub . sort.
> nubSort [1,2,3]
[1,2,3]
> nubSort [3,2,1]
[1,2,3]
> nubSort [3,2,1,3,2,1]
[1,2,3]
> nubSort [3,3,1,1,2,2]
[1,2,3]