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

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