JavaScriptCore-903.tar.gz

[apple/javascriptcore.git] / wtf / HashTraits.h

diff --git a/wtf/HashTraits.h b/wtf/HashTraits.h
index c8d40f7d54e0f5d0ff82b082c6a607998ba26aa6..fba5afe687e0057bde4db5c0790426c5cc63c1d1 100644 (file)
--- a/wtf/HashTraits.h
+++ b/wtf/HashTraits.h
@@ -81,12 +81,14 @@ namespace WTF {
         static bool isDeletedValue(P* value) { return value == reinterpret_cast<P*>(-1); }
     };
 
-    template<typename P> struct HashTraits<RefPtr<P> > : GenericHashTraits<RefPtr<P> > {
+    template<typename T> struct SimpleClassHashTraits : GenericHashTraits<T> {
         static const bool emptyValueIsZero = true;
-        static void constructDeletedValue(RefPtr<P>& slot) { new (&slot) RefPtr<P>(HashTableDeletedValue); }
-        static bool isDeletedValue(const RefPtr<P>& value) { return value.isHashTableDeletedValue(); }
+        static void constructDeletedValue(T& slot) { new (&slot) T(HashTableDeletedValue); }
+        static bool isDeletedValue(const T& value) { return value.isHashTableDeletedValue(); }
     };
 
+    template<typename P> struct HashTraits<RefPtr<P> > : SimpleClassHashTraits<RefPtr<P> > { };
+
     // special traits for pairs, helpful for their use in HashMap implementation
 
     template<typename FirstTraitsArg, typename SecondTraitsArg>