#ifndef XYMAP_H

#define XYMAP_H

#include <lemon/list_graph.h>

#include <lemon/xy.h>

using lemon::ListGraph;

using lemon::xy;

template<class M>

class XYMap

{

  private:

    M *xmap, *ymap;

  public:

    typedef typename M::Key Key;

    typedef xy<typename M::Value> Value;

    XYMap() {}

    XYMap(M &_xmap, M &_ymap) : xmap(&_xmap), ymap(&_ymap) {}

    void setXMap(M &_xmap) { xmap = &_xmap; }

    void setYMap(M &_ymap) { ymap = &_ymap; }

    Value operator[](Key k) const

    {

      Value v(xmap->operator[](k), ymap->operator[](k));

      return v;

    }

    void set(Key k, Value v)

    {

      xmap->set(k, v.x);

      ymap->set(k, v.y);

    }

};

#endif