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Module

std/testing/types.ts>AssertFalse

The Deno Standard Library
Latest
type alias AssertFalse
import { type AssertFalse } from "https://deno.land/std@0.224.0/testing/types.ts";

Asserts at compile time that the provided type argument's type resolves to false.

Examples

Example 1

import { AssertFalse, IsNever } from "https://deno.land/std@0.224.0/testing/types.ts";

const result = 1 as string | number | null;

type doTest = AssertFalse<IsNever<typeof result>>;

Type Parameters

T extends false
definition: never