import { array } from "https://deno.land/x/fun@v2.0.0/mod.ts";
const { alt } = array;
Given two arrays first and second, if first is default the return second, otherwise return first.
Parameters
second: ReadonlyArray<A>
import { array } from "https://deno.land/x/fun@v2.0.0/mod.ts";
const { alt } = array;
Given two arrays first and second, if first is default the return second, otherwise return first.