use std::{
    sync::Arc,
    convert::Infallible,
};

use tokio::sync::Mutex;
use warp::Filter;

type Ctl = Arc<Mutex<Control>>;

struct Control {
    foo: bool,
    // bar: Option<Box<dyn Bar>>,
}

trait Bar {}


#[tokio::main]
async fn main() {

    let ctl =  Arc::new(Mutex::new(Control {
        foo: true,
        // bar: None,
    }));

    let ctl = warp::any().map(move || ctl.clone());

    let routes = warp::any()
        .and(ctl)
        .and_then(dump_ctl);

    warp::serve(routes).run(([127, 0, 0, 1], 3030)).await;

}

async fn dump_ctl(ctl: Ctl) -> Result<impl warp::Reply, Infallible> {
    Ok(format!("ctl.foo = {}", ctl.lock().await.foo))
}