Small change.

src/lib.rs

@@ -63,7 +63,7 @@ impl BitSet {
 
     pub fn shrink_to_fit(&mut self) {
         self.blocks.retain(|_, block| *block != 0);
-        // self.blocks.shrink_to_fit();
+        self.blocks.shrink_to_fit();
     }
 
     pub fn iter(&self) -> Iter {
@@ -522,8 +522,8 @@ mod tests {
         let mut s = BitSet::new();
         s.insert(1);
         s.insert(2);
-        s.remove(&1);
-        s.remove(&2);
+        s.remove(1);
+        s.remove(2);
         s.shrink_to_fit();
         assert_eq!(s.capacity(), 0);
 
@@ -573,7 +573,7 @@ mod tests {
 
         assert!(!b.is_subset(&a));
 
-        b.remove(&250);
+        b.remove(250);
 
         assert!(b.is_subset(&a));
     }
@@ -631,7 +631,7 @@ mod tests {
         let set: BitSet = xs.iter().cloned().collect();
 
         for x in &xs {
-            assert!(set.contains(x));
+            assert!(set.contains(*x));
         }
     }
 
@@ -692,10 +692,10 @@ mod tests {
         a.extend(&[2, 3, 4]);
 
         assert_eq!(a.len(), 4);
-        assert!(a.contains(&1));
-        assert!(a.contains(&2));
-        assert!(a.contains(&3));
-        assert!(a.contains(&4));
+        assert!(a.contains(1));
+        assert!(a.contains(2));
+        assert!(a.contains(3));
+        assert!(a.contains(4));
 
         let mut b = BitSet::new();
         b.insert(5);
@@ -704,12 +704,12 @@ mod tests {
         a.extend(&b);
 
         assert_eq!(a.len(), 6);
-        assert!(a.contains(&1));
-        assert!(a.contains(&2));
-        assert!(a.contains(&3));
-        assert!(a.contains(&4));
-        assert!(a.contains(&5));
-        assert!(a.contains(&6));
+        assert!(a.contains(1));
+        assert!(a.contains(2));
+        assert!(a.contains(3));
+        assert!(a.contains(4));
+        assert!(a.contains(5));
+        assert!(a.contains(6));
     }
 
     // -------------------------
@@ -718,20 +718,20 @@ mod tests {
     fn test_insert() {
         let mut set = BitSet::with_capacity(10);
 
-        assert_eq!(set.contains(&0), false);
-        assert_eq!(set.contains(&10), false);
+        assert_eq!(set.contains(0), false);
+        assert_eq!(set.contains(10), false);
 
         set.insert(0);
         set.insert(10);
 
-        assert_eq!(set.contains(&0), true);
-        assert_eq!(set.contains(&10), true);
+        assert_eq!(set.contains(0), true);
+        assert_eq!(set.contains(10), true);
 
-        assert_eq!(set.contains(&100), false);
+        assert_eq!(set.contains(100), false);
 
         set.insert(100);
 
-        assert_eq!(set.contains(&100), true);
+        assert_eq!(set.contains(100), true);
     }
 
     #[test]
@@ -743,11 +743,11 @@ mod tests {
 
         assert_eq!(set.len(), 5);
 
-        assert_eq!(set.contains(&1), true);
-        assert_eq!(set.contains(&2), true);
-        assert_eq!(set.contains(&3), true);
-        assert_eq!(set.contains(&4), true);
-        assert_eq!(set.contains(&5), true);
+        assert_eq!(set.contains(1), true);
+        assert_eq!(set.contains(2), true);
+        assert_eq!(set.contains(3), true);
+        assert_eq!(set.contains(4), true);
+        assert_eq!(set.contains(5), true);
     }
 
     #[test]
@@ -759,11 +759,11 @@ mod tests {
 
         assert_eq!(set.len(), 5);
 
-        assert_eq!(set.contains(&1), true);
-        assert_eq!(set.contains(&2), true);
-        assert_eq!(set.contains(&3), true);
-        assert_eq!(set.contains(&4), true);
-        assert_eq!(set.contains(&5), true);
+        assert_eq!(set.contains(1), true);
+        assert_eq!(set.contains(2), true);
+        assert_eq!(set.contains(3), true);
+        assert_eq!(set.contains(4), true);
+        assert_eq!(set.contains(5), true);
     }
 
     #[test]