Remove unnecessary mut

rust-lang · Jan 14, 2019 · 7c083a8 · 7c083a8
1 parent e449f3d
commit 7c083a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libcore/tests/iter.rs b/src/libcore/tests/iter.rs
@@ -1909,7 +1909,7 @@ fn test_once() {
 
 #[test]
 fn test_once_with() {
-    let mut count = Cell::new(0);
+    let count = Cell::new(0);
     let mut it = once_with(|| {
         count.set(count.get() + 1);
         42