Document all entry methods

src/map/core.rs

@@ -445,6 +445,9 @@ pub enum Entry<'a, K, V> {
 }
 
 impl<'a, K, V> Entry<'a, K, V> {
+    /// Inserts the given default value in the entry if it is vacant and returns a mutable
+    /// reference to it. Otherwise a mutable reference to an already existent value is returned.
+    ///
     /// Computes in **O(1)** time (amortized average).
     pub fn or_insert(self, default: V) -> &'a mut V {
         match self {
@@ -453,6 +456,9 @@ impl<'a, K, V> Entry<'a, K, V> {
         }
     }
 
+    /// Inserts the result of the `call` function in the entry if it is vacant and returns a mutable
+    /// reference to it. Otherwise a mutable reference to an already existent value is returned.
+    ///
     /// Computes in **O(1)** time (amortized average).
     pub fn or_insert_with<F>(self, call: F) -> &'a mut V
     where
@@ -590,6 +596,7 @@ impl<'a, K, V> VacantEntry<'a, K, V> {
         &self.key
     }
 
+    /// Takes ownership of the key, leaving the entry vacant.
     pub fn into_key(self) -> K {
         self.key
     }
@@ -599,6 +606,8 @@ impl<'a, K, V> VacantEntry<'a, K, V> {
         self.map.len()
     }
 
+    /// Inserts the entry's key and the given value into the map, and returns a mutable reference
+    /// to the value.
     pub fn insert(self, value: V) -> &'a mut V {
         let i = self.map.push(self.hash, self.key, value);
         &mut self.map.entries[i].value

src/map/core/raw.rs

@@ -113,10 +113,15 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
         &self.map.entries[self.index()].key
     }
 
+    /// Gets a reference to the entry's value in the map.
     pub fn get(&self) -> &V {
         &self.map.entries[self.index()].value
     }
 
+    /// Gets a mutable reference to the entry's value in the map.
+    ///
+    /// If you need a reference which may outlive the destruction of the
+    /// `Entry` value, see `into_mut`.
     pub fn get_mut(&mut self) -> &mut V {
         let index = self.index();
         &mut self.map.entries[index].value
@@ -136,6 +141,8 @@ impl<'a, K, V> OccupiedEntry<'a, K, V> {
         unsafe { self.raw_bucket.read() }
     }
 
+    /// Converts into a mutable reference to the entry's value in the map,
+    /// with a lifetime bound to the map itself.
     pub fn into_mut(self) -> &'a mut V {
         let index = self.index();
         &mut self.map.entries[index].value