fail
import { fail } from "https://github.gh-proxy.cn/raw.githubusercontent.com/baetheus/fun/main/either.ts";Construct a Left value from an error. This is an alias for left and is commonly used in contexts where you want to emphasize failure.
@example
import * as E from "./either.ts";
const result = E.fail("Operation failed");
// { tag: "Left", left: "Operation failed" }