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This project is maintained by TheRenegadeCoder
Welcome to the Sleep Sort in Rust page! Here, you'll find the source code for this program as well as a description of how the program works.
use std::env::args;
use std::process::exit;
use std::str::FromStr;
use std::thread;
use std::time::Duration;
use std::sync::{Arc, Mutex};
fn usage() -> ! {
println!("Usage: please provide a list of at least two integers to sort in the format \"1, 2, 3, 4, 5\"");
exit(0);
}
fn parse_int<T: FromStr>(s: &str) -> Result<T, <T as FromStr>::Err> {
s.trim().parse::<T>()
}
fn parse_int_list<T: FromStr>(s: &str) -> Result<Vec<T>, <T as FromStr>::Err> {
s.split(',')
.map(parse_int)
.collect::<Result<Vec<T>, <T as FromStr>::Err>>()
}
fn sleep_sort(arr: &mut Vec<i32>) {
// Start sleep threads that sleep for specified time and append that time to result
let mut threads = vec![];
let result_mutex = Arc::new(Mutex::new(vec![]));
for sleep_time in arr.clone() {
let result_mutex_clone = Arc::clone(&result_mutex);
let value = sleep_time.clone();
threads.push(
thread::spawn(move || {
thread::sleep(Duration::from_secs(value as u64));
result_mutex_clone.lock().unwrap().push(value);
})
)
}
// Wait for threads to finish
for thread in threads {
thread.join().unwrap();
}
// Store result
*arr = result_mutex.lock().unwrap().to_vec();
}
fn main() {
let mut args = args().skip(1);
// Convert 1st command-line argument to list of integers
let mut arr: Vec<i32> = args
.next()
.and_then(|s| parse_int_list(&s).ok())
.unwrap_or_else(|| usage());
// Exit if list too small
if arr.len() < 2 {
usage();
}
sleep_sort(&mut arr);
println!("{arr:?}");
}
Sleep Sort in Rust was written by:
If you see anything you'd like to change or update, please consider contributing.
No 'How to Implement the Solution' section available. Please consider contributing.
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