2 * CDE - Common Desktop Environment
4 * Copyright (c) 1993-2012, The Open Group. All rights reserved.
6 * These libraries and programs are free software; you can
7 * redistribute them and/or modify them under the terms of the GNU
8 * Lesser General Public License as published by the Free Software
9 * Foundation; either version 2 of the License, or (at your option)
12 * These libraries and programs are distributed in the hope that
13 * they will be useful, but WITHOUT ANY WARRANTY; without even the
14 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU Lesser General Public License for more
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with these libraries and programs; if not, write
20 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
21 * Floor, Boston, MA 02110-1301 USA
23 /* $XConsortium: HashTableItemBase.h /main/1 1996/07/29 16:53:09 cde-hp $ */
24 // Copyright (c) 1994 James Clark
25 // See the file COPYING for copying permission.
27 #ifndef HashTableItemBase_INCLUDED
28 #define HashTableItemBase_INCLUDED 1
30 // All hash tables with the same type of key share object code.
31 // The cost of this is a virtual dtor in HashTableItemBase.
34 namespace SP_NAMESPACE {
38 class HashTableItemBase {
40 HashTableItemBase(const K &k);
41 virtual ~HashTableItemBase();
42 virtual HashTableItemBase<K> *copy() const = 0;
47 struct HashTableKeyFunction {
48 static inline const K &key(const HashTableItemBase<K> &obj) {
57 #endif /* not HashTableItemBase_INCLUDED */
59 #ifdef SP_DEFINE_TEMPLATES
60 #include "HashTableItemBase.C"