export interface Ok<T> {
    ok: true;
    data: T;
}

export const Ok = <T>(data: T): Ok<T> => ({
    ok: true,
    data,
});

export interface Err<E> {
    ok: false;
    error: E;
}

export const Err = <E>(error: E): Err<E> => ({
    ok: false,
    error,
});

export type Result<T, E> = Ok<T> | Err<E>;

export async function attempt<T, E = Error>(
    promise: Promise<T>,
): Promise<Result<T, E>> {
    try {
        const result = await promise;
        return Ok(result);
    } catch (error) {
        return Err(error as E);
    }
}