/** * Attempt to execute an async function and return the result or error. * Returns a Promise that resolves to a tuple where: * - On success: [null, Result] - First element is null, second is the result * - On error: [Error, null] - First element is the caught error, second is null * * @template {unknown} T - The type of the result of the async function. * @template {unknown} E - The type of the error that can be thrown by the async function. * @param {() => Promise} func - The async function to execute. * @returns {Promise<[null, T] | [E, null]>} A Promise that resolves to a tuple containing either [null, result] or [error, null]. * * @example * // Successful execution * const [error, data] = await attemptAsync(async () => { * const response = await fetch('https://api.example.com/data'); * return response.json(); * }); * // If successful: [null, { ... data ... }] * * // Failed execution * const [error, data] = await attemptAsync(async () => { * throw new Error('Network error'); * }); * // [Error, null] * * // With type parameter * const [error, users] = await attemptAsync(async () => { * const response = await fetch('https://api.example.com/users'); * return response.json(); * }); * // users is typed as User[] */ declare function attemptAsync(func: () => Promise): Promise<[null, T] | [E, null]>; export { attemptAsync };