LeetCode 1768. Merge Strings Alternately in F#

URL Merge Strings Alternately - LeetCode Code https://github.com/syohex/dotnet-study/tree/master/fsharp/leetcode/problems/1768/main.fsx let mergeAlternately (word1: string) (word2: string) : string = let rec mergeAlternately' cs1 cs2 even (acc: c...