import { type optics } from "https://deno.land/x/fun@v.2.0.0-alpha.11/mod.ts";
const { AffineTag } = optics;
import { optics } from "https://deno.land/x/fun@v.2.0.0-alpha.11/mod.ts";
const { AffineTag } = optics;
A runtime tag and type that indicates an Optic has a view function of the form
(s: S) => Option<A>
.