1 files changed, 12 insertions, 14 deletions

diff --git a/Source/WTF/wtf/HashIterators.h b/Source/WTF/wtf/HashIterators.h
index b498b92c6..318a8496c 100644
--- a/Source/WTF/wtf/HashIterators.h
+++ b/Source/WTF/wtf/HashIterators.h
@@ -10,10 +10,10 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@@ -23,8 +23,9 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef WTF_HashIterators_h
-#define WTF_HashIterators_h
+#pragma once
+
+#include <iterator>
 
 namespace WTF {
 
@@ -33,7 +34,7 @@ namespace WTF {
     template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableKeysIterator;
     template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableValuesIterator;
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> : public std::iterator<std::forward_iterator_tag, KeyValuePair<KeyType, MappedType>, std::ptrdiff_t, const KeyValuePair<KeyType, MappedType>*, const KeyValuePair<KeyType, MappedType>&> {
     private:
         typedef KeyValuePair<KeyType, MappedType> ValueType;
     public:
@@ -56,7 +57,7 @@ namespace WTF {
         typename HashTableType::const_iterator m_impl;
     };
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> : public std::iterator<std::forward_iterator_tag, KeyValuePair<KeyType, MappedType>, std::ptrdiff_t, KeyValuePair<KeyType, MappedType>*, KeyValuePair<KeyType, MappedType>&> {
     private:
         typedef KeyValuePair<KeyType, MappedType> ValueType;
     public:
@@ -84,7 +85,7 @@ namespace WTF {
         typename HashTableType::iterator m_impl;
     };
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstKeysIterator {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstKeysIterator : public std::iterator<std::forward_iterator_tag, KeyType, std::ptrdiff_t, const KeyType*, const KeyType&> {
     private:
         typedef HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> ConstIterator;
 
@@ -101,7 +102,7 @@ namespace WTF {
         ConstIterator m_impl;
     };
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstValuesIterator {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableConstValuesIterator : public std::iterator<std::forward_iterator_tag, MappedType, std::ptrdiff_t, const MappedType*, const MappedType&> {
     private:
         typedef HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> ConstIterator;
 
@@ -118,7 +119,7 @@ namespace WTF {
         ConstIterator m_impl;
     };
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableKeysIterator {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableKeysIterator : public std::iterator<std::forward_iterator_tag, KeyType, std::ptrdiff_t, KeyType*, KeyType&> {
     private:
         typedef HashTableIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> Iterator;
         typedef HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> ConstIterator;
@@ -141,7 +142,7 @@ namespace WTF {
         Iterator m_impl;
     };
 
-    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableValuesIterator {
+    template<typename HashTableType, typename KeyType, typename MappedType> struct HashTableValuesIterator : public std::iterator<std::forward_iterator_tag, MappedType, std::ptrdiff_t, MappedType*, MappedType&> {
     private:
         typedef HashTableIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> Iterator;
         typedef HashTableConstIteratorAdapter<HashTableType, KeyValuePair<KeyType, MappedType>> ConstIterator;
@@ -149,7 +150,7 @@ namespace WTF {
     public:
         HashTableValuesIterator(const Iterator& impl) : m_impl(impl) {}
         
-        MappedType* get() const { return &(m_impl.get()->value); }
+        MappedType* get() const { return std::addressof(m_impl.get()->value); }
         MappedType& operator*() const { return *get(); }
         MappedType* operator->() const { return get(); }
 
@@ -212,7 +213,4 @@ namespace WTF {
         return a.m_impl != b.m_impl;
     }
 
-
 } // namespace WTF
-
-#endif // WTF_HashIterators_h