assert | /test_deps.ts | swissKnife@1.8

Deno Swiss Knife tools

Latest

function assert

Re-export

import { assert } from "https://deno.land/x/swissKnife@1.8/test_deps.ts";

assert(expr: unknown, msg?): asserts expr

Make an assertion, error will be thrown if expr does not have truthy value.

Examples

Example 1

import { assert } from "https://deno.land/std@0.224.0/assert/assert.ts";

assert("hello".includes("ello")); // Doesn't throw
assert("hello".includes("world")); // Throws

Parameters

expr: unknown

optional

msg = [UNSUPPORTED]

Returns

asserts expr