mod proto {
    include!(concat!(env!("OUT_DIR"), "/routeguide.rs"));
    include!(concat!(env!("OUT_DIR"), "/routeguide.serde.rs"));
}

fn main() {
    serde_json::to_writer_pretty(
        std::io::stdout(),
        &proto::Point {
            latitude: 123,
            longitude: -234,
        },
    )
    .unwrap();
}