Function test2

test/github_issue53_test.cpp:30–44

}

leaf::result<float> test2(int a)
{
    return leaf::try_handle_some(
        [&]() -> leaf::result<float>
        {
            BOOST_LEAF_AUTO(val, test1(a));
            (void) val;
            return 4.5;
        },
        [](leaf::match<ErrorCode,ErrorCode::E_GENERIC_UNEXPECTED>) -> leaf::result<float>
        {
            return leaf::new_error(ErrorCode::E_GENERIC_PARSE);
        }
    );
}

void test3(int a)
{