45 lines
1.0 KiB
Plaintext
45 lines
1.0 KiB
Plaintext
use std::fs::File;
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use std::io::BufReader;
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use std::io::BufRead;
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use std::thread::spawn;
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use std::sync::mpsc::{SyncSender, Receiver, sync_channel};
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fn main() {
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let (tx, rx): (SyncSender<String>, Receiver<String>) = sync_channel::<String>(0);
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// Reader thread.
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spawn(move || {
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let file = File::open("input.txt").unwrap();
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let reader = BufReader::new(file);
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for line in reader.lines() {
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match line {
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Ok(msg) => tx.send(msg).unwrap(),
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Err(e) => println!("{}", e)
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}
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}
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drop(tx);
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});
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// Writer thread.
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spawn(move || {
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let mut loop_count: u16 = 0;
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loop {
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let recvd = rx.recv();
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match recvd {
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Ok(msg) => {
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println!("{}", msg);
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loop_count += 1;
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},
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Err(_) => break // rx.recv() will only err when tx is closed.
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}
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}
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println!("Line count: {}", loop_count);
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}).join().unwrap();
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}
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