LeetCode 623. Add One Row to Tree in F#

URL https://leetcode.com/problems/add-one-row-to-tree/ Code https://github.com/syohex/dotnet-study/blob/master/fsharp/leetcode/problems/0623/main.fsx type Tree = | Leaf | Node of int * Tree * Tree let addOneRow (root: Tree) (value: int) (de...