sbuild-null.h

Go to the documentation of this file.
00001 /* Copyright © 2005-2007  Roger Leigh <rleigh@debian.org>
00002  *
00003  * schroot is free software: you can redistribute it and/or modify it
00004  * under the terms of the GNU General Public License as published by
00005  * the Free Software Foundation, either version 3 of the License, or
00006  * (at your option) any later version.
00007  *
00008  * schroot is distributed in the hope that it will be useful, but
00009  * WITHOUT ANY WARRANTY; without even the implied warranty of
00010  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011  * General Public License for more details.
00012  *
00013  * You should have received a copy of the GNU General Public License
00014  * along with this program.  If not, see
00015  * <http://www.gnu.org/licenses/>.
00016  *
00017  *********************************************************************/
00018 
00019 #ifndef SBUILD_NULL_H
00020 #define SBUILD_NULL_H
00021 
00022 #include <map>
00023 #include <stdexcept>
00024 #include <string>
00025 
00026 namespace sbuild
00027 {
00028 
00033   class null
00034     {
00035     public:
00043       template <class charT, class traits>
00044       friend
00045       std::basic_ostream<charT,traits>&
00046       operator << (std::basic_ostream<charT,traits>& stream,
00047                    null const&                       rhs)
00048       {
00049         return stream << null_output();
00050       }
00051 
00052     private:
00058       static const char *
00059       null_output ();
00060   };
00061 
00062 }
00063 
00064 #endif /* SBUILD_NULL_H */
00065 
00066 /*
00067  * Local Variables:
00068  * mode:C++
00069  * End:
00070  */
Generated on Sat Jul 10 22:16:00 2010 for sbuild by  doxygen 1.6.3