I will add that you are using z when you define _l and _r but you only need to use it once.
Also, a good test case is to write an in-order traversal on a binary search tree that will return the keys in sorted order. -- You received this message because you are subscribed to the Google Groups "Elm Discuss" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
