#include<smart_graph.h>

#include <iostream>

using namespace hugo;

SmartGraph::OutEdgeIt safeFirstOut(const SmartGraph &G, SmartGraph::NodeIt n)
{
  return G.valid(n) ? SmartGraph::OutEdgeIt(G,n):Invalid;
}

int main()
{

  typedef SmartGraph::EdgeIt EdgeIt;
  typedef SmartGraph::InEdgeIt InEdgeIt;
  typedef SmartGraph::OutEdgeIt OutEdgeIt;
  typedef SmartGraph::EachEdgeIt EachEdgeIt;
  typedef SmartGraph::NodeIt NodeIt;
  typedef SmartGraph::EachNodeIt EachNodeIt;
  
  SmartGraph G;
  EachNodeIt n;


  //  std::cout.form("%s: %d\n","Sztring",15);

  for(int i=0;i<10;i++) G.addNode();
  for(G.getFirst(n);G.valid(n);G.next(n)) 
    for(EachNodeIt m(G);m!=Invalid;G.next(m)) 
      if(n!=m) G.addEdge(n,m);

  OutEdgeIt e = safeFirstOut(G,n);
  OutEdgeIt f = safeFirstOut(G,EachNodeIt(G));
  
}