std/assert/unreachable.ts
Yoshiya Hinosawa 0ce9c2bf7e
experiment
2024-01-31 18:10:15 +09:00

17 lines
383 B
TypeScript

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { AssertionError } from "./assertion_error.ts";
/**
* Use this to assert unreachable code.
*
* @example
* ```ts
* import { unreachable } from "@std/assert/unreachable";
*
* unreachable(); // Throws
* ```
*/
export function unreachable(): never {
throw new AssertionError("unreachable");
}