import { O } from "https://deno.land/x/ahh@v0.10.1/mod.ts";
Return other if opt is Some, or None.
Examples
import { O, None } from "./mod.ts";
console.log(O.and(1, 2)); // 2
console.log(O.and(None, 2)); // None
console.log(O.and(2, None)); // None
console.log(O.and(None, None)); // None