use async_runtime::{Priority, RuntimeBuilder};
use std::num::NonZeroUsize;
use std::rc::Rc;
fn main() {
let runtime = RuntimeBuilder::new(NonZeroUsize::new(1).unwrap())
.build()
.unwrap();
let captured = Rc::new(());
let _ = runtime.spawn(Priority::Normal, async move {
drop(captured);
});
}