added formatting

Author: Jade Wibbels

module2/data_race/src/main.rs

@@ -1,4 +1,4 @@
-// Mutex that protects the data vector, and then we spawn three threads 
+// Mutex that protects the data vector, and then we spawn three threads
 //that each acquire a lock on the mutex and modify an element of the vector.
 
 use std::sync::Mutex;
@@ -7,14 +7,16 @@ use std::thread;
 fn main() {
     let data = Mutex::new(vec![1, 2, 3]);
 
-    let handles: Vec<_> = (0..3).map(|i| {
-        let data = data.lock().unwrap().clone();
-        thread::spawn(move || {
-            let mut data = data;
-            data[i] += 1;
-            println!("{:?}", data);
+    let handles: Vec<_> = (0..3)
+        .map(|i| {
+            let data = data.lock().unwrap().clone();
+            thread::spawn(move || {
+                let mut data = data;
+                data[i] += 1;
+                println!("{:?}", data);
+            })
         })
-    }).collect();
+        .collect();
 
     for handle in handles {
         handle.join().unwrap();
@@ -41,4 +43,4 @@ fn main() {
 
     // No data race can occur, this will not compile.
 }
-*/
+*/