import { type AssertTrue } from "https://deno.land/std@0.171.0/testing/types.ts";
Asserts at compile time that the provided type argument's type resolves to true.
Examples
Example 1
Example 1
import { AssertTrue, Has, IsNullable } from "https://deno.land/std@0.171.0/testing/types.ts";
const result = 1 as string | number | null;
type doTest = AssertTrue<Has<typeof result, string> | IsNullable<typeof result>>;