storablevector-0.1.1: tests-1/Instances.hs

module Instances where


instance Functor ((->) r) where
    fmap = (.)

instance Monad ((->) r) where
    return = const
    f >>= k = \ r -> k (f r) r

instance Functor ((,) a) where
    fmap f (x,y) = (x, f y)