sml

Hint 1: Compare the result of your ziprev with List.zip [1,2,3,4] [10,20,30,40] You should see a fairly obvious pattern. Hint 2: List.rev reverses a list. Hint 3: Can you use zipW to implement List.zip? That is, if you want to say normalzip xs ys = zipW something xs ys what would something be? solved SML … Read more