Usage

Create val
import { Failure, Success } from "https://esm.town/v/pomdtr/neverthrow?v=5";

const demoFunction = () => {
    const result = Math.random();
    if (result > 0.5) {
        return Failure(
            "Math. random produced too high a number",
        );
    }
    return Success(result);
};

const res = demoFunction();
if (res.ok) {
    console.log(res.value);
} else {
    console.error(res.error);
}