[Add indirect comparison predicate
clinton@unknownlamer.org**20081113112557
 * Used to sort containers of pointers using the pointed to objects'
   comparison methods
] {
hunk ./source/Utils.H 3
-// Copyright (c) 2002,2005 Clinton Ebadi
+// Copyright (c) 2002,2005,2008 Clinton Ebadi
hunk ./source/Utils.H 70
+
+  // Class to compare *i1 / *i2 in heaps etc.
+  template<typename T, typename C> class IndirectPred
+  {
+    C compare;
+  public:
+    bool operator() (const T * i1, const T * i2) const
+    { return compare (*i1, *i2); }
+
+    typedef T* first_argument_type;
+    typedef T* second_argument_type;
+    typedef bool result_type;
+  };
}