LeetCode 445. Add Two Numbers II in F#

URL https://leetcode.com/problems/add-two-numbers-ii/ Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0445/main.fsx type ListNode = | Leaf | Node of int * ListNode let addTwoNumbers (l1: ListNode) (l2: ListNo...