diff -r a2dda876316f -r 9285f3777553 lemon/full_graph.h
--- a/lemon/full_graph.h	Thu Aug 18 12:22:44 2005 +0000
+++ b/lemon/full_graph.h	Thu Aug 18 13:33:49 2005 +0000
@@ -125,10 +125,10 @@
 
     protected:
       int id;
-      Node(int _id) { id = _id;}
+      Node(int _id) : id(_id) {}
     public:
       Node() {}
-      Node (Invalid) { id = -1; }
+      Node (Invalid) : id(-1) {}
       bool operator==(const Node node) const {return id == node.id;}
       bool operator!=(const Node node) const {return id != node.id;}
       bool operator<(const Node node) const {return id < node.id;}
@@ -260,12 +260,12 @@
 
     Node source(Edge e) const { 
       /// \todo we may do it faster
-      return ((int)sqrt((double)(1 + 8 * e.id)) + 1) / 2; 
+      return Node(((int)sqrt((double)(1 + 8 * e.id)) + 1) / 2);
     }
 
     Node target(Edge e) const { 
       int source = ((int)sqrt((double)(1 + 8 * e.id)) + 1) / 2;;
-      return e.id - (source) * (source - 1) / 2; 
+      return Node(e.id - (source) * (source - 1) / 2);
     }