Another update from ingydotnet^djgoku

Task/Sorting-algorithms-Sleep-sort/Rust/sorting-algorithms-sleep-sort.rust

@@ -1,15 +1,13 @@
-// rust 0.9
+use std::thread;
 
-fn main()
-{
-    let args = std::os::args();
-    for arg in args.tail().iter()
-    {
-        let n = from_str::<u64>(*arg).unwrap();
-        do std::task::spawn
-        {
-            std::io::timer::sleep(n);
-            println!("{}", n);
-        }
-    }
+fn sleepsort<I: Iterator<Item=u32>>(nums: I) {
+    let threads: Vec<_> = nums.map(|n|
+        thread::spawn(move || {
+            thread::sleep_ms(n);
+            println!("{}", n); })).collect();
+    for t in threads { t.join(); }
+}
+
+fn main() {
+    sleepsort(std::env::args().skip(1).map(|s| s.parse().unwrap()));
 }