Python Ok.and_ примеры использования

Пример #1

def test_and_with_ok_err():
    x = Ok(2)
    y = Err(Exception('late'))

    assert x.and_(y) == Err(Exception('late'))

Пример #2

def test_and_with_ok_ok():
    x = Ok(2)
    y = Ok(3)

    assert x.and_(y) == Ok(3)