Type Alias ResultAsync<T, E>

ResultAsync: Promise<Result.Result<T, E>>

An asynchronous variant of Result, wrapped in a Promise.

Type Parameters

T
The type of the Success value.
E
The type of the Failure value.

Example

import { Result } from '@praha/byethrow';

const fetchData = async (): Result.ResultAsync<string, Error> => {
  try {
    const data = await fetch('...');
    return { type: 'Success', value: await data.text() };
  } catch (err) {
    return { type: 'Failure', error: err as Error };
  }
};