std/assert/fail.ts
Lino Le Van c46143f0ac
chore: update copyright year (#4046)
* chore: update copyright year

* fix

---------

Co-authored-by: Asher Gomez <ashersaupingomez@gmail.com>
2024-01-02 08:11:32 +11:00

18 lines
456 B
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert } from "./assert.ts";
/**
* Forcefully throws a failed assertion.
*
* @example
* ```ts
* import { fail } from "https://deno.land/std@$STD_VERSION/assert/fail.ts";
*
* fail("Deliberately failed!"); // Throws
* ```
*/
export function fail(msg?: string): never {
const msgSuffix = msg ? `: ${msg}` : ".";
assert(false, `Failed assertion${msgSuffix}`);
}