/* -*- mode: C++; indent-tabs-mode: nil; -*-

 /* -*- mode: C++; indent-tabs-mode: nil; -*-

  *

  *

  * This file is a part of LEMON, a generic C++ optimization library.

  * This file is a part of LEMON, a generic C++ optimization library.

  *

  *

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  * (Egervary Research Group on Combinatorial Optimization, EGRES).

  *

  *

  * Permission to use, modify and distribute this software is granted

  * Permission to use, modify and distribute this software is granted

  * provided that this copyright notice appears in all copies. For

  * provided that this copyright notice appears in all copies. For

         ///\e

         ///\e

         NodeMap(const Digraph&, T) { }

         NodeMap(const Digraph&, T) { }

       private:

       private:

         ///Copy constructor

         ///Copy constructor

           ReferenceMap<Node, T, T&, const T&>(nm) { }

           ReferenceMap<Node, T, T&, const T&>(nm) { }

         ///Assignment operator

         ///Assignment operator

         template <typename CMap>

         template <typename CMap>

         NodeMap& operator=(const CMap&) {

         NodeMap& operator=(const CMap&) {

           checkConcept<ReadMap<Node, T>, CMap>();

           checkConcept<ReadMap<Node, T>, CMap>();