1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright (C) 1991-2008 OpenCFD Ltd.
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 A HashTable with word keys but without contents.
35 A HashSet with (the default) word keys.
37 \*---------------------------------------------------------------------------*/
42 #include "HashTable.H"
45 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
50 /*---------------------------------------------------------------------------*\
51 Class HashSet Declaration
52 \*---------------------------------------------------------------------------*/
54 template<class Key=word, class Hash=string::hash>
57 public HashTable<empty, Key, Hash>
64 //- Construct given initial map size
65 HashSet(label size = 100)
67 HashTable<empty, Key, Hash>(size)
70 //- Construct from Istream
73 HashTable<empty, Key, Hash>(is)
76 //- Construct from UList of Key
77 HashSet(const UList<Key>& ul)
79 HashTable<empty, Key, Hash>(2*ul.size())
88 HashSet(const HashSet<Key, Hash>& hs)
90 HashTable<empty, Key, Hash>(hs)
98 //- Insert a new hashedEntry
99 bool insert(const Key& key)
101 return HashTable<empty, Key, Hash>::insert(key, empty());
106 typedef HashSet<> wordHashSet;
109 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
111 } // End namespace Foam
113 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
117 // ************************************************************************* //