1.1 --- a/src/lemon/invalid.h	Sat May 21 21:04:57 2005 +0000
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,52 +0,0 @@
     1.4 -/* -*- C++ -*-
     1.5 - * src/lemon/invalid.h - Part of LEMON, a generic C++ optimization library
     1.6 - *
     1.7 - * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
     1.8 - * (Egervary Research Group on Combinatorial Optimization, EGRES).
     1.9 - *
    1.10 - * Permission to use, modify and distribute this software is granted
    1.11 - * provided that this copyright notice appears in all copies. For
    1.12 - * precise terms see the accompanying LICENSE file.
    1.13 - *
    1.14 - * This software is provided "AS IS" with no warranty of any kind,
    1.15 - * express or implied, and with no claim as to its suitability for any
    1.16 - * purpose.
    1.17 - *
    1.18 - */
    1.19 -
    1.20 -#ifndef LEMON_INVALID_H
    1.21 -#define LEMON_INVALID_H
    1.22 -
    1.23 -///\file
    1.24 -///\brief Definition of INVALID.
    1.25 -
    1.26 -namespace lemon {
    1.27 -
    1.28 -  /// Dummy type to make it easier to make invalid iterators.
    1.29 -  
    1.30 -  /// See \ref INVALID, how to use it.
    1.31 -  
    1.32 -  struct Invalid {
    1.33 -  public:
    1.34 -    bool operator==(Invalid) { return true;  }
    1.35 -    bool operator!=(Invalid) { return false; }
    1.36 -    bool operator< (Invalid) { return false; }
    1.37 -  };
    1.38 -  
    1.39 -  /// Invalid iterators.
    1.40 -  
    1.41 -  /// \ref Invalid is a global type that converts to each iterator
    1.42 -  /// in such a way that the value of the target iterator will be invalid.
    1.43 -
    1.44 -  // It is also used to convert the \c INVALID constant to the
    1.45 -  // node iterator that makes is possible to write 
    1.46 -
    1.47 -  //extern Invalid INVALID;
    1.48 -
    1.49 -  //const Invalid &INVALID = *(Invalid *)0;
    1.50 -  const Invalid INVALID = Invalid();
    1.51 -
    1.52 -} //namespace lemon
    1.53 -
    1.54 -#endif
    1.55 -