unconstrained.rs

#[tokio::main]
async fn main() {
    let futs = (0..1000).map(|i| tokio::task::spawn(async move { i }));
    
    for fut in futs {
        # remove unconstraint, and it will block
        let i = futures::executor::block_on(tokio::task::unconstrained(fut)).unwrap();
        eprintln!("{}", i);
    }
}