paludis  Version 2.6.0
tribool.hh
1 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
2 
3 /*
4  * Copyright (c) 2008, 2009 Ciaran McCreesh
5  *
6  * This file is part of the Paludis package manager. Paludis is free software;
7  * you can redistribute it and/or modify it under the terms of the GNU General
8  * Public License version 2, as published by the Free Software Foundation.
9  *
10  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
11  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13  * details.
14  *
15  * You should have received a copy of the GNU General Public License along with
16  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
17  * Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 
20 #ifndef PALUDIS_GUARD_PALUDIS_UTIL_TRIBOOL_HH
21 #define PALUDIS_GUARD_PALUDIS_UTIL_TRIBOOL_HH 1
22 
23 #include <paludis/util/tribool-fwd.hh>
24 
25 namespace paludis
26 {
28  {
29  private:
30  enum Value
31  {
32  v_false,
33  v_true,
34  v_indeterminate
35  };
36 
37  Value _value;
38 
39  public:
40  Tribool();
41  Tribool(const bool);
42  Tribool(TriboolIndeterminateValueType);
43 
44  bool is_true() const PALUDIS_ATTRIBUTE((warn_unused_result));
45  bool is_false() const PALUDIS_ATTRIBUTE((warn_unused_result));
46  bool is_indeterminate() const PALUDIS_ATTRIBUTE((warn_unused_result));
47  };
48 }
49 
50 #endif
Definition: about_metadata-fwd.hh:23
Definition: tribool.hh:27
#define PALUDIS_ATTRIBUTE(x)
Definition: attributes.hh:53
#define PALUDIS_VISIBLE
Definition: attributes.hh:59