The following in F#

2.2.1 rev Give a tail recursive reverse function of O(n) time for the definition of mylist: type 'element mylistNIL I CONS of'element * 'element mylist;; This means that you should rewrite helper and rev to work specifically with the mylist type Test with: 1let c-CONS (1, CONS (2, CONS (3, NIL))); 2 rev c;; // returns int mylist -CONS (3, CONS (2, CONS (1, NIL))) 2.2.1 rev Give a tail recursive reverse function of O(n) time for the definition of mylist: type 'element mylistNIL I CONS of'element * 'element mylist;; This means that you should rewrite helper and rev to work specifically with the mylist type Test with: 1let c-CONS (1, CONS (2, CONS (3, NIL))); 2 rev c;; // returns int mylist -CONS (3, CONS (2, CONS (1, NIL)))