Ticket #7338: indirect_cmp.patch

indirect_cmp.hpp

@@ -33 +33 @@
     typedef typename boost::property_traits<ReadablePropertyMap>::key_type K;
     typedef K first_argument_type;
     typedef K second_argument_type;
-    typedef T result_type;
+    typedef typedef Compare::result_type result_type;
     inline indirect_cmp(const ReadablePropertyMap& df, const Compare& c = Compare())
       : d(df), cmp(c) { }
 
     template <class A, class B>
-    inline bool 
+    inline result_type 
     operator()(const A& u, const B& v) const {
-      T du = get(d, u), dv = get(d, v);
-      return cmp(du, dv);
+      return cmp(get(d, u), get(d, v));
     }
   protected:
     ReadablePropertyMap d;