import { O } from "https://deno.land/x/ahh@v0.9.1/src/option/mod.ts";
Returns whether the contained Some value strictly equals v.
Examples
import { O, None } from "./mod.ts";
console.log(O.contains(1, 1)); // true
console.log(O.contains(1, 2)); // false
console.log(O.contains(None, 1)); // false