public void test() throws GLib.Error {
    try {
        work();
    } finally {
        cleanup();
    }
}

private void work() throws GLib.Error {
    // all good
}

private void cleanup() throws GLib.Error {
    // all good
}


public int main(string[] argv) {
    try {
        test();
    } catch (GLib.Error err) {
        print("Error: %s\n", err.message);
    }
    return 0;
}