return-style/lib/functions/get-failure-async.d.ts

Non-intrusively convert the result of any function or promise to the user's desired style.

import { Awaitable } from '@blackglory/prelude';
export declare function getFailureAsync<E = Error>(fn: () => Awaitable<unknown>): Promise<[failed: true, error: E] | [failed: false, error: undefined]>;