Index: src/work/alpar/emptygraph.h
===================================================================
--- src/work/alpar/emptygraph.h	(revision 57)
+++ src/work/alpar/emptygraph.h	(revision 61)
@@ -59,5 +59,6 @@
   {
   public:
-    typedef T value_type;
+    typedef T ValueType;
+    typedef NodeIt KeyType;
     void set(const NodeIt i, const T &t);
     T get(const NodeIt i) const;
@@ -70,5 +71,6 @@
   {
   public:
-    typedef T value_type;
+    typedef T ValueType;
+    typedef EdgeIt KeyType;
     void set(const EdgeIt i, const T &t);
     T get(const EdgeIt i) const;