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x/deno_slack_data_mapper/dependencies/testing_asserts.ts>assertExists

A handy way to manage data in Slack's next-generation platform datastores
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function assertExists
import { assertExists } from "https://deno.land/x/deno_slack_data_mapper@1.0.4/dependencies/testing_asserts.ts";

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

Parameters

actual: T
optional
msg: string

Returns

asserts actual is NonNullable<T>