Rollup merge of #48753 - tbu-:pr_hashmap_isize, r=BurntSushi

Remove a couple of `isize` references from hashmap docs

Also fix a spelling mistake.

src/libstd/collections/hash/map.rs

@@ -620,7 +620,7 @@ impl<K: Hash + Eq, V> HashMap<K, V, RandomState> {
     ///
     /// ```
     /// use std::collections::HashMap;
-    /// let mut map: HashMap<&str, isize> = HashMap::new();
+    /// let mut map: HashMap<&str, i32> = HashMap::new();
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -637,7 +637,7 @@ pub fn new() -> HashMap<K, V, RandomState> {
     ///
     /// ```
     /// use std::collections::HashMap;
-    /// let mut map: HashMap<&str, isize> = HashMap::with_capacity(10);
+    /// let mut map: HashMap<&str, i32> = HashMap::with_capacity(10);
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -724,7 +724,7 @@ pub fn with_capacity_and_hasher(capacity: usize, hash_builder: S) -> HashMap<K,
     /// use std::collections::hash_map::RandomState;
     ///
     /// let hasher = RandomState::new();
-    /// let map: HashMap<isize, isize> = HashMap::with_hasher(hasher);
+    /// let map: HashMap<i32, i32> = HashMap::with_hasher(hasher);
     /// let hasher: &RandomState = map.hasher();
     /// ```
     #[stable(feature = "hashmap_public_hasher", since = "1.9.0")]
@@ -741,7 +741,7 @@ pub fn hasher(&self) -> &S {
     ///
     /// ```
     /// use std::collections::HashMap;
-    /// let map: HashMap<isize, isize> = HashMap::with_capacity(100);
+    /// let map: HashMap<i32, i32> = HashMap::with_capacity(100);
     /// assert!(map.capacity() >= 100);
     /// ```
     #[inline]
@@ -770,7 +770,7 @@ fn raw_capacity(&self) -> usize {
     ///
     /// ```
     /// use std::collections::HashMap;
-    /// let mut map: HashMap<&str, isize> = HashMap::new();
+    /// let mut map: HashMap<&str, i32> = HashMap::new();
     /// map.reserve(10);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
@@ -849,7 +849,7 @@ fn resize(&mut self, new_raw_cap: usize) {
     /// ```
     /// use std::collections::HashMap;
     ///
-    /// let mut map: HashMap<isize, isize> = HashMap::with_capacity(100);
+    /// let mut map: HashMap<i32, i32> = HashMap::with_capacity(100);
     /// map.insert(1, 2);
     /// map.insert(3, 4);
     /// assert!(map.capacity() >= 100);
@@ -1306,7 +1306,7 @@ pub fn remove_entry<Q: ?Sized>(&mut self, k: &Q) -> Option<(K, V)>
     /// ```
     /// use std::collections::HashMap;
     ///
-    /// let mut map: HashMap<isize, isize> = (0..8).map(|x|(x, x*10)).collect();
+    /// let mut map: HashMap<i32, i32> = (0..8).map(|x|(x, x*10)).collect();
     /// map.retain(|&k, _| k % 2 == 0);
     /// assert_eq!(map.len(), 4);
     /// ```
@@ -1722,7 +1722,7 @@ impl<K, V, S> IntoIterator for HashMap<K, V, S>
     /// map.insert("c", 3);
     ///
     /// // Not possible with .iter()
-    /// let vec: Vec<(&str, isize)> = map.into_iter().collect();
+    /// let vec: Vec<(&str, i32)> = map.into_iter().collect();
     /// ```
     fn into_iter(self) -> IntoIter<K, V> {
         IntoIter { inner: self.table.into_iter() }
@@ -2786,24 +2786,24 @@ fn test_clone() {
         assert_eq!(m2.len(), 2);
     }
 
-    thread_local! { static DROP_VECTOR: RefCell<Vec<isize>> = RefCell::new(Vec::new()) }
+    thread_local! { static DROP_VECTOR: RefCell<Vec<i32>> = RefCell::new(Vec::new()) }
 
     #[derive(Hash, PartialEq, Eq)]
-    struct Dropable {
+    struct Droppable {
         k: usize,
     }
 
-    impl Dropable {
-        fn new(k: usize) -> Dropable {
+    impl Droppable {
+        fn new(k: usize) -> Droppable {
             DROP_VECTOR.with(|slot| {
                 slot.borrow_mut()[k] += 1;
             });
 
-            Dropable { k: k }
+            Droppable { k: k }
         }
     }
 
-    impl Drop for Dropable {
+    impl Drop for Droppable {
         fn drop(&mut self) {
             DROP_VECTOR.with(|slot| {
                 slot.borrow_mut()[self.k] -= 1;
@@ -2811,9 +2811,9 @@ fn drop(&mut self) {
         }
     }
 
-    impl Clone for Dropable {
-        fn clone(&self) -> Dropable {
-            Dropable::new(self.k)
+    impl Clone for Droppable {
+        fn clone(&self) -> Droppable {
+            Droppable::new(self.k)
         }
     }
 
@@ -2833,8 +2833,8 @@ fn test_drops() {
             });
 
             for i in 0..100 {
-                let d1 = Dropable::new(i);
-                let d2 = Dropable::new(i + 100);
+                let d1 = Droppable::new(i);
+                let d2 = Droppable::new(i + 100);
                 m.insert(d1, d2);
             }
 
@@ -2845,7 +2845,7 @@ fn test_drops() {
             });
 
             for i in 0..50 {
-                let k = Dropable::new(i);
+                let k = Droppable::new(i);
                 let v = m.remove(&k);
 
                 assert!(v.is_some());
@@ -2892,8 +2892,8 @@ fn test_into_iter_drops() {
             });
 
             for i in 0..100 {
-                let d1 = Dropable::new(i);
-                let d2 = Dropable::new(i + 100);
+                let d1 = Droppable::new(i);
+                let d2 = Droppable::new(i + 100);
                 hm.insert(d1, d2);
             }
 
@@ -2943,13 +2943,13 @@ fn test_into_iter_drops() {
 
     #[test]
     fn test_empty_remove() {
-        let mut m: HashMap<isize, bool> = HashMap::new();
+        let mut m: HashMap<i32, bool> = HashMap::new();
         assert_eq!(m.remove(&0), None);
     }
 
     #[test]
     fn test_empty_entry() {
-        let mut m: HashMap<isize, bool> = HashMap::new();
+        let mut m: HashMap<i32, bool> = HashMap::new();
         match m.entry(0) {
             Occupied(_) => panic!(),
             Vacant(_) => {}
@@ -2960,7 +2960,7 @@ fn test_empty_entry() {
 
     #[test]
     fn test_empty_iter() {
-        let mut m: HashMap<isize, bool> = HashMap::new();
+        let mut m: HashMap<i32, bool> = HashMap::new();
         assert_eq!(m.drain().next(), None);
         assert_eq!(m.keys().next(), None);
         assert_eq!(m.values().next(), None);
@@ -3461,7 +3461,7 @@ fn test_entry() {
     fn test_entry_take_doesnt_corrupt() {
         #![allow(deprecated)] //rand
         // Test for #19292
-        fn check(m: &HashMap<isize, ()>) {
+        fn check(m: &HashMap<i32, ()>) {
             for k in m.keys() {
                 assert!(m.contains_key(k),
                         "{} is in keys() but not in the map?", k);
@@ -3570,7 +3570,7 @@ fn test_vacant_entry_key() {
 
     #[test]
     fn test_retain() {
-        let mut map: HashMap<isize, isize> = (0..100).map(|x|(x, x*10)).collect();
+        let mut map: HashMap<i32, i32> = (0..100).map(|x|(x, x*10)).collect();
 
         map.retain(|&k, _| k % 2 == 0);
         assert_eq!(map.len(), 50);

src/libstd/collections/hash/set.rs

@@ -724,7 +724,7 @@ pub fn take<Q: ?Sized>(&mut self, value: &Q) -> Option<T>
     /// use std::collections::HashSet;
     ///
     /// let xs = [1,2,3,4,5,6];
-    /// let mut set: HashSet<isize> = xs.iter().cloned().collect();
+    /// let mut set: HashSet<i32> = xs.iter().cloned().collect();
     /// set.retain(|&k| k % 2 == 0);
     /// assert_eq!(set.len(), 3);
     /// ```
@@ -1745,7 +1745,7 @@ fn test_extend_ref() {
     #[test]
     fn test_retain() {
         let xs = [1, 2, 3, 4, 5, 6];
-        let mut set: HashSet<isize> = xs.iter().cloned().collect();
+        let mut set: HashSet<i32> = xs.iter().cloned().collect();
         set.retain(|&k| k % 2 == 0);
         assert_eq!(set.len(), 3);
         assert!(set.contains(&2));