asserts.assertExists | /deps.ts | pagic@v1.5.1

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function asserts.assertExists

import { asserts } from "https://deno.land/x/pagic@v1.5.1/deps.ts";
const { assertExists } = asserts;

assertExists<T>(actual: T, msg?: string): asserts actual is NonNullable<T>

Make an assertion that actual is not null or undefined. If not then throw.

Type Parameters

actual: T

optional

msg: string

asserts actual is NonNullable<T>