equal
deleted
inserted
replaced
1 /* -*- C++ -*- |
1 /* -*- mode: C++; indent-tabs-mode: nil; -*- |
2 * |
2 * |
3 * This file is a part of LEMON, a generic C++ optimization library |
3 * This file is a part of LEMON, a generic C++ optimization library. |
4 * |
4 * |
5 * Copyright (C) 2003-2008 |
5 * Copyright (C) 2003-2008 |
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
7 * (Egervary Research Group on Combinatorial Optimization, EGRES). |
7 * (Egervary Research Group on Combinatorial Optimization, EGRES). |
8 * |
8 * |
32 public: |
32 public: |
33 bool operator==(Invalid) { return true; } |
33 bool operator==(Invalid) { return true; } |
34 bool operator!=(Invalid) { return false; } |
34 bool operator!=(Invalid) { return false; } |
35 bool operator< (Invalid) { return false; } |
35 bool operator< (Invalid) { return false; } |
36 }; |
36 }; |
37 |
37 |
38 /// \brief Invalid iterators. |
38 /// \brief Invalid iterators. |
39 /// |
39 /// |
40 /// \ref Invalid is a global type that converts to each iterator |
40 /// \ref Invalid is a global type that converts to each iterator |
41 /// in such a way that the value of the target iterator will be invalid. |
41 /// in such a way that the value of the target iterator will be invalid. |
42 |
42 |
50 #endif |
50 #endif |
51 |
51 |
52 } //namespace lemon |
52 } //namespace lemon |
53 |
53 |
54 #endif |
54 #endif |
55 |
55 |