Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/List/MinimumBy.hs
module List where minimumBy :: (a -> a -> Ordering) -> [a] -> a minimumBy cmp [] = error "List.minimumBy: empty list" minimumBy cmp xs = foldl1 min xs where min x y = case cmp x y of GT -> y _ -> x