1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
import { isFulfilled, isRejected } from "./settled.ts";import { assertEquals } from "testing/asserts.ts";
Deno.test("settled predicate", async () => {  const proms: Promise<number>[] = [Promise.resolve(1), Promise.reject("foo")];  const [a, b] = await Promise.allSettled(proms);
  assertEquals([a, b].map(isFulfilled), [true, false]);  assertEquals([a, b].map(isRejected), [false, true]);
  if (isFulfilled(a)) {    const _val: number = a.value;    // @ts-expect-error    const _str: string = a.value;    // @ts-expect-error    const _err = a.reason;  }  if (isRejected(a)) {    const _err = a.reason;    // @ts-expect-error    const _val = a.value;  }});