Vaucanson 1.4
listg_handlers.hxx
00001 // listg_handlers.hxx: this file is part of the Vaucanson project.
00002 //
00003 // Vaucanson, a generic library for finite state machines.
00004 //
00005 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The Vaucanson Group.
00006 //
00007 // This program is free software; you can redistribute it and/or
00008 // modify it under the terms of the GNU General Public License
00009 // as published by the Free Software Foundation; either version 2
00010 // of the License, or (at your option) any later version.
00011 //
00012 // The complete GNU General Public Licence Notice can be found as the
00013 // `COPYING' file in the root directory.
00014 //
00015 // The Vaucanson Group consists of people listed in the `AUTHORS' file.
00016 //
00017 #ifndef VCSN_AUTOMATA_IMPLEMENTATION_LISTG_LISTG_HANDLERS_HXX
00018 # define VCSN_AUTOMATA_IMPLEMENTATION_LISTG_LISTG_HANDLERS_HXX
00019 
00020 # include <climits>
00021 # include <vaucanson/misc/contract.hh>
00022 # include <vaucanson/automata/implementation/listg/listg_handlers.hh>
00023 
00024 namespace vcsn
00025 {
00026 
00027   template<typename Tag>
00028   handler<Tag, unsigned>::handler() : v_(UINT_MAX)
00029   {}
00030 
00031   template<typename Tag>
00032   handler<Tag, unsigned>::handler(unsigned h) : v_(h)
00033   {}
00034 
00035   template<typename Tag>
00036   handler<Tag, unsigned>::handler(const handler<Tag, unsigned>& h) : v_(h.v_)
00037   {}
00038 
00039   template<typename Tag>
00040   handler<Tag, unsigned>&
00041   handler<Tag, unsigned>::operator=(const handler<Tag, unsigned>& h)
00042   {
00043     v_ = h.v_;
00044     return *this;
00045   }
00046 
00047   template<typename Tag>
00048   unsigned handler<Tag, unsigned>::value() const
00049   {
00050     return v_;
00051   }
00052 
00053   template<typename Tag>
00054   handler<Tag, unsigned>::operator unsigned() const
00055   {
00056     return v_;
00057   }
00058 
00059   template<typename Tag>
00060   bool
00061   handler<Tag, unsigned>::is_valid() const
00062   {
00063     return v_ != UINT_MAX;
00064   }
00065 
00066 } // vcsn
00067 
00068 #endif
00069