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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.import { AssertionError } from "./assertion_error.ts";
/** Assertion condition for {@linkcode assertFalse}. */export type Falsy = false | 0 | 0n | "" | null | undefined;
/** * Make an assertion, error will be thrown if `expr` have truthy value. * * @example * ```ts * import { assertFalse } from "https://deno.land/std@$STD_VERSION/assert/assert_false.ts"; * * assertFalse(false); // Doesn't throw * assertFalse(true); // Throws * ``` */export function assertFalse(expr: unknown, msg = ""): asserts expr is Falsy {  if (expr) {    throw new AssertionError(msg);  }}