getShowableOption
import { getShowableOption } from "https://raw.githubusercontent.com/baetheus/fun/main/option.ts";
Create an instance of Showable for Option given an instance of Showable for A.
@example
import * as O from "./option.ts";
const Showable = O.getShowableOption({ show: (n: number) => n.toString() }); // Showable<Option<number>>
const result1 = Showable.show(O.some(1)); // "Some(1)"
const result2 = Showable.show(O.none); // "None"