map
import { map } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/async_either.ts";Apply a function to the Right value of an AsyncEither.
@example
import * as AE from "./async_either.ts";
import { pipe } from "./fn.ts";
const result = pipe(
AE.right(5),
AE.map(n => n * 2)
);
const value = await result(); // Right(10)