`for x in xs.iter()` -> `for x in &xs`

2 files changed, 5 insertions, 5 deletions

diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs
index 29b7d93399a..511fa86685d 100644
--- a/src/libstd/collections/hash/map.rs
+++ b/src/libstd/collections/hash/map.rs
@@ -1977,7 +1977,7 @@ mod test_map {
 
         let mut observed: u32 = 0;
 
-        for (k, v) in m.iter() {
+        for (k, v) in &m {
             assert_eq!(*v, *k * 2);
             observed |= 1 << *k;
         }
@@ -2167,7 +2167,7 @@ mod test_map {
 
         let map: HashMap<int, int> = xs.iter().map(|&x| x).collect();
 
-        for &(k, v) in xs.iter() {
+        for &(k, v) in &xs {
             assert_eq!(map.get(&k), Some(&v));
         }
     }
diff --git a/src/libstd/collections/hash/set.rs b/src/libstd/collections/hash/set.rs
index 755235cbace..fef30a28208 100644
--- a/src/libstd/collections/hash/set.rs
+++ b/src/libstd/collections/hash/set.rs
@@ -1033,7 +1033,7 @@ mod test_set {
             assert!(a.insert(i));
         }
         let mut observed: u32 = 0;
-        for k in a.iter() {
+        for k in &a {
             observed |= 1 << *k;
         }
         assert_eq!(observed, 0xFFFF_FFFF);
@@ -1154,7 +1154,7 @@ mod test_set {
 
         let set: HashSet<int> = xs.iter().map(|&x| x).collect();
 
-        for x in xs.iter() {
+        for x in &xs {
             assert!(set.contains(x));
         }
     }
@@ -1240,7 +1240,7 @@ mod test_set {
                 assert_eq!(last_i, 49);
             }
 
-            for _ in s.iter() { panic!("s should be empty!"); }
+            for _ in &s { panic!("s should be empty!"); }
 
             // reset to try again.
             s.extend(1..100);