[Lemon-commits] [lemon_svn] klao: r1272 - hugo/branches/graph_factory/src/lemon/skeletons

[Lemon SVN]

Author: klao
Date: Wed Oct  6 16:28:20 2004
New Revision: 1272

Modified:
   hugo/branches/graph_factory/src/lemon/skeletons/graph.h

Log:
Graph operations in GraphBase are void.


Modified: hugo/branches/graph_factory/src/lemon/skeletons/graph.h
==============================================================================
--- hugo/branches/graph_factory/src/lemon/skeletons/graph.h	(original)
+++ hugo/branches/graph_factory/src/lemon/skeletons/graph.h	Wed Oct  6 16:28:20 2004
@@ -566,27 +566,28 @@
       class Edge : public BaseGraphItem {};
 
       // Graph operation
-      Node& first(Node &n) const { return n; }
-      Edge& first(Edge &e) const { return e; }
+      void first(Node &n) const { return n; }
+      void first(Edge &e) const { return e; }
 
-      Edge& firstOut(Edge &e, Node) const { return e; }
-      Edge& firstIn(Edge &e, Node) const { return e; }
+      void firstOut(Edge &e, Node) const { return e; }
+      void firstIn(Edge &e, Node) const { return e; }
 
-      Node& next(Node &n) const { return n; }
-      Edge& next(Edge &e) const { return e; }
+      void next(Node &n) const { return n; }
+      void next(Edge &e) const { return e; }
 
 
       // Question: isn't it reasonable if this methods have a Node
       // parameter? Like this:
       // Edge& nextOut(Edge &e, Node) const { return e; }
-      Edge& nextOut(Edge &e) const { return e; }
-      Edge& nextIn(Edge &e) const { return e; }
+      void nextOut(Edge &e) const { return e; }
+      void nextIn(Edge &e) const { return e; }
 
       Node head(Edge) const { return Node(); }
       Node tail(Edge) const { return Node(); }
       
 
-      // ... Egyeb sallang, mint az id, nodeNum, edgeNum kell ide?
+      // Do we need id, nodeNum, edgeNum and co. in this basic graphbase
+      // concept?
 
 
       // Maps.