ghci> :type head
head :: GHC.Stack.Types.HasCallStack => [a] -> a
ghci> head []
*** Exception: Prelude.head: empty list
CallStack (from HasCallStack):
  error, called at libraries/base/GHC/List.hs:1646:3 in base:GHC.List
  errorEmptyList, called at libraries/base/GHC/List.hs:85:11 in base:GHC.List
  badHead, called at libraries/base/GHC/List.hs:81:28 in base:GHC.List
  head, called at <interactive>:8:1 in interactive:Ghci1
ghci> :type maximum
maximum :: (Foldable t, Ord a) => t a -> a
ghci> maximum []
*** Exception: Prelude.maximum: empty list
CallStack (from HasCallStack):
  error, called at libraries/base/GHC/List.hs:1646:3 in base:GHC.List
  errorEmptyList, called at libraries/base/GHC/List.hs:717:28 in base:GHC.List
  maximum, called at libraries/base/Data/Foldable.hs:745:15 in base:Data.Foldable