use tokio::sync::mpsc;

#[tokio::main]
async fn main() {
    let (tx, mut rx) = mpsc::channel(10);
    
    tokio::spawn(async move {
        tx.send("message").await.unwrap();
    });
    
    if let Some(msg) = rx.recv().await {
        println!("Received: {}", msg);
    }
}