61 lines
1.3 KiB
Rust
61 lines
1.3 KiB
Rust
use std::{sync::mpsc, thread, time::Duration};
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struct Queue {
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first_half: Vec<u32>,
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second_half: Vec<u32>,
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}
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impl Queue {
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fn new() -> Self {
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Self {
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first_half: vec![1, 2, 3, 4, 5],
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second_half: vec![6, 7, 8, 9, 10],
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}
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}
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}
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fn send_tx(q: Queue, tx: mpsc::Sender<u32>) {
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// TODO: We want to send `tx` to both threads. But currently, it is moved
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// into the first thread. How could you solve this problem?
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thread::spawn(move || {
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for val in q.first_half {
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println!("Sending {val:?}");
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tx.send(val).unwrap();
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thread::sleep(Duration::from_millis(250));
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}
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});
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thread::spawn(move || {
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for val in q.second_half {
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println!("Sending {val:?}");
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tx.send(val).unwrap();
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thread::sleep(Duration::from_millis(250));
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}
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});
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}
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fn main() {
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// You can optionally experiment here.
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn threads3() {
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let (tx, rx) = mpsc::channel();
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let queue = Queue::new();
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send_tx(queue, tx);
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let mut received = Vec::with_capacity(10);
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for value in rx {
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received.push(value);
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}
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received.sort();
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assert_eq!(received, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]);
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}
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}
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