threads 2

exercises/threads/threads1.rs

@@ -6,7 +6,7 @@
 // The program should wait until all the spawned threads have finished and
 // should collect their return values into a vector.
 
-// I AM NOT DONE
+//use handle.join.unwrap(). .join() stops the thread from executing, and then unwrap to collect any errors.
 
 use std::thread;
 use std::time::{Duration, Instant};
@@ -25,6 +25,7 @@ fn main() {
     let mut results: Vec<u128> = vec![];
     for handle in handles {
         // TODO: a struct is returned from thread::spawn, can you use it?
+        results.push(handle.join().unwrap())
     }
 
     if results.len() != 10 {