:: Ord a => [a] -> [a] -package:hspec -package:basement -package:integration is:exact -package:witherable -package:hedgehog -package:Cabal -package:extra -package:base -package:statistics package:errors

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