use std::{sync::mpsc, thread, time::Duration}; struct Queue { first_half: Vec<u32>, second_half: Vec<u32>, } impl Queue { fn new() -> Self { Self { first_half: vec![1, 2, 3, 4, 5], second_half: vec![6, 7, 8, 9, 10], } } } fn send_tx(q: Queue, tx: mpsc::Sender<u32>) { // Clone the sender `tx` first. let tx_clone = tx.clone(); thread::spawn(move || { for val in q.first_half { println!("Sending {val:?}"); // Then use the clone in the first thread. This means that // `tx_clone` is moved to the first thread and `tx` to the second. tx_clone.send(val).unwrap(); thread::sleep(Duration::from_millis(250)); } }); thread::spawn(move || { for val in q.second_half { println!("Sending {val:?}"); tx.send(val).unwrap(); thread::sleep(Duration::from_millis(250)); } }); } fn main() { // You can optionally experiment here. } #[cfg(test)] mod tests { use super::*; #[test] fn threads3() { let (tx, rx) = mpsc::channel(); let queue = Queue::new(); send_tx(queue, tx); let mut received = Vec::with_capacity(10); for value in rx { received.push(value); } received.sort(); assert_eq!(received, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]); } }

Spawning a thread