function assertimport { assert } from "https://dotland.deno.dev/x/oak@v13.2.2/test_deps.ts"; assert(expr: unknown, msg?): asserts exprMake an assertion, error will be thrown if expr does not have truthy value. ExamplesExample 1 import { assert } from "https://deno.land/std@$STD_VERSION/assert/assert.ts"; assert("hello".includes("ello")); // Doesn't throw assert("hello".includes("world")); // Throws Parametersexpr: unknownoptionalmsg = [UNSUPPORTED]Returnsasserts expr