NewMapWin has become Dialog instead of Window. Therefore it is created dynamically, when there is need for it, instead of keeping one instance in memory. This solution is slower, but more correct than before.
2 * lemon/invalid.h - Part of LEMON, a generic C++ optimization library
4 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
5 * (Egervary Research Group on Combinatorial Optimization, EGRES).
7 * Permission to use, modify and distribute this software is granted
8 * provided that this copyright notice appears in all copies. For
9 * precise terms see the accompanying LICENSE file.
11 * This software is provided "AS IS" with no warranty of any kind,
12 * express or implied, and with no claim as to its suitability for any
17 #ifndef LEMON_INVALID_H
18 #define LEMON_INVALID_H
21 ///\brief Definition of INVALID.
25 /// Dummy type to make it easier to make invalid iterators.
27 /// See \ref INVALID, how to use it.
31 bool operator==(Invalid) { return true; }
32 bool operator!=(Invalid) { return false; }
33 bool operator< (Invalid) { return false; }
36 /// Invalid iterators.
38 /// \ref Invalid is a global type that converts to each iterator
39 /// in such a way that the value of the target iterator will be invalid.
41 // It is also used to convert the \c INVALID constant to the
42 // node iterator that makes is possible to write
44 //extern Invalid INVALID;
46 //const Invalid &INVALID = *(Invalid *)0;
47 const Invalid INVALID = Invalid();