Plan 9 from Bell Labs’s /usr/web/sources/contrib/fernan/nhc98/src/prelude/Prelude/Bounded_3.hs
module Prelude(Bounded(..)) where instance (Bounded a, Bounded b, Bounded c) => Bounded (a,b,c) where minBound = (minBound, minBound, minBound) maxBound = (maxBound, maxBound, maxBound)