import { type AssertFalse } from "https://deno.land/std@0.199.0/testing/types.ts";
Asserts at compile time that the provided type argument's type resolves to false.
Examples
Example 1
Example 1
import { AssertFalse, IsNever } from "https://deno.land/std@0.199.0/testing/types.ts";
const result = 1 as string | number | null;
type doTest = AssertFalse<IsNever<typeof result>>;