3 // Copyright (C) 2005-2014 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 3, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
21 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
23 // Permission to use, copy, modify, sell, and distribute this software
24 // is hereby granted without fee, provided that the above copyright
25 // notice appears in all copies, and that both that copyright notice
26 // and this permission notice appear in supporting documentation. None
27 // of the above authors, nor IBM Haifa Research Laboratories, make any
28 // representation about the suitability of this software for any
29 // purpose. It is provided "as is" without express or implied
33 * @file limit_string_hash_fn.hpp
34 * Contains a string hash function.
37 #ifndef PB_DS_LIMIT_STRING_HASH_FN_HPP
38 #define PB_DS_LIMIT_STRING_HASH_FN_HPP
46 struct limit_string_hash_fn
51 operator()(const std::string& r_str) const
54 std::string::const_iterator b = r_str.begin();
55 std::string::const_iterator e = r_str.end();
58 while (b != e&& i < _S_max)
61 ret += static_cast<size_t>(*(b++));
67 size_t limit_string_hash_fn::_S_max;
70 } // namespace __gnu_pbds