00001 /* vim: set sw=4 sts=4 et foldmethod=syntax : */ 00002 00003 /* 00004 * Copyright (c) 2008, 2009 Ciaran McCreesh 00005 * 00006 * This file is part of the Paludis package manager. Paludis is free software; 00007 * you can redistribute it and/or modify it under the terms of the GNU General 00008 * Public License version 2, as published by the Free Software Foundation. 00009 * 00010 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY 00011 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00012 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 00013 * details. 00014 * 00015 * You should have received a copy of the GNU General Public License along with 00016 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00017 * Place, Suite 330, Boston, MA 02111-1307 USA 00018 */ 00019 00020 #ifndef PALUDIS_GUARD_PALUDIS_UTIL_TRIBOOL_FWD_HH 00021 #define PALUDIS_GUARD_PALUDIS_UTIL_TRIBOOL_FWD_HH 1 00022 00023 #include <paludis/util/attributes.hh> 00024 #include <paludis/util/no_type.hh> 00025 #include <iosfwd> 00026 00027 namespace paludis 00028 { 00029 struct Tribool; 00030 00031 typedef NoType<0u> * (* TriboolIndeterminateValueType) (const NoType<0u> * const); 00032 00033 NoType<0u> * indeterminate(const NoType<0u> * const) PALUDIS_VISIBLE; 00034 00035 std::ostream & operator<< (std::ostream &, const Tribool) PALUDIS_VISIBLE; 00036 std::istream & operator>> (std::istream &, Tribool &) PALUDIS_VISIBLE; 00037 } 00038 00039 #endif