:: Ord a => [a] -> [a] -package:witherable -package:Cabal -package:statistics -package:basement -is:exact -package:incipit-base -package:imports -package:lens is:exact package:errors

A minimum that fails using mzero
A maximum that fails using mzero
tailSafe [] = []
tailSafe [1,3,4] = [3,4]