Adding missing operator!= for Handle and Persistent.

include/v8.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 285 matching lines @@
   V8_INLINE(T* operator->() const) { return val_; }
 
   V8_INLINE(T* operator*() const) { return val_; }
 
   /**
    * Checks whether two handles are the same.
    * Returns true if both are empty, or if the objects
    * to which they refer are identical.
    * The handles' references are not checked.
    */
-  template <class S> V8_INLINE(bool operator==(const Handle<S> that) const) {
+  template <class S> V8_INLINE(bool operator==(const Handle<S>& that) const) {
     internal::Object** a = reinterpret_cast<internal::Object**>(**this);
     internal::Object** b = reinterpret_cast<internal::Object**>(*that);
     if (a == 0) return b == 0;
     if (b == 0) return false;
     return *a == *b;
   }
 
 #ifndef V8_USE_UNSAFE_HANDLES
   template <class S> V8_INLINE(
       bool operator==(const Persistent<S>& that) const) {
     internal::Object** a = reinterpret_cast<internal::Object**>(**this);
     internal::Object** b = reinterpret_cast<internal::Object**>(*that);
     if (a == 0) return b == 0;
     if (b == 0) return false;
     return *a == *b;
   }
 #endif
 
   /**
    * Checks whether two handles are different.
    * Returns true if only one of the handles is empty, or if
    * the objects to which they refer are different.
    * The handles' references are not checked.
    */
-  template <class S> V8_INLINE(bool operator!=(Handle<S> that) const) {
+  template <class S> V8_INLINE(bool operator!=(const Handle<S>& that) const) {
     return !operator==(that);
   }
 
+#ifndef V8_USE_UNSAFE_HANDLES
+  template <class S> V8_INLINE(
+      bool operator!=(const Persistent<S>& that) const) {
+    return !operator==(that);
+  }
+#endif
+
   template <class S> V8_INLINE(static Handle<T> Cast(Handle<S> that)) {
 #ifdef V8_ENABLE_CHECKS
     // If we're going to perform the type check then we have to check
     // that the handle isn't empty before doing the checked cast.
     if (that.IsEmpty()) return Handle<T>();
 #endif
     return Handle<T>(T::Cast(*that));
   }
 
   template <class S> V8_INLINE(Handle<S> As()) {
@@ skipping 266 matching lines @@
 #ifndef V8_USE_UNSAFE_HANDLES
   template <class S> V8_INLINE(
       bool operator==(const Persistent<S>& that) const) {
     internal::Object** a = reinterpret_cast<internal::Object**>(**this);
     internal::Object** b = reinterpret_cast<internal::Object**>(*that);
     if (a == 0) return b == 0;
     if (b == 0) return false;
     return *a == *b;
   }
 
-  template <class S> V8_INLINE(bool operator==(const Handle<S> that) const) {
+  template <class S> V8_INLINE(bool operator==(const Handle<S>& that) const) {
     internal::Object** a = reinterpret_cast<internal::Object**>(**this);
     internal::Object** b = reinterpret_cast<internal::Object**>(*that);
     if (a == 0) return b == 0;
     if (b == 0) return false;
     return *a == *b;
   }
+
+  template <class S> V8_INLINE(
+      bool operator!=(const Persistent<S>& that) const) {
+    return !operator==(that);
+  }
+
+  template <class S> V8_INLINE(bool operator!=(const Handle<S>& that) const) {
+    return !operator==(that);
+  }
 #endif
 
   V8_INLINE(void Dispose());
 
   /**
    * Releases the storage cell referenced by this persistent handle.
    * Does not remove the reference to the cell from any handles.
    * This handle's reference, and any other references to the storage
    * cell remain and IsEmpty will still return false.
    */
@@ skipping 5948 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // V8_H_