import { isNone } from "https://deno.land/x/fun@v2.0.0-alpha.10/option.ts";
Tests wether an Option is None, returning true if the passed option is None and false if it is Some.
import { isNone } from "https://deno.land/x/fun@v2.0.0-alpha.10/option.ts";
Tests wether an Option is None, returning true if the passed option is None and false if it is Some.