1// TR1 unordered_set -*- C++ -*-
2
3// Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
4//
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
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 2, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14// GNU General Public License for more details.
15
16// You should have received a copy of the GNU General Public License along
17// with this library; see the file COPYING.  If not, write to the Free
18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19// USA.
20
21// As a special exception, you may use this file as part of a free software
22// library without restriction.  Specifically, if other files instantiate
23// templates or use macros or inline functions from this file, or you compile
24// this file and link it with other files to produce an executable, this
25// file does not by itself cause the resulting executable to be covered by
26// the GNU General Public License.  This exception does not however
27// invalidate any other reasons why the executable file might be covered by
28// the GNU General Public License.
29
30/** @file tr1/unordered_set
31 *  This is a TR1 C++ Library header. 
32 */
33
34#ifndef _TR1_UNORDERED_SET
35#define _TR1_UNORDERED_SET 1
36
37#include <tr1/hashtable>
38#include <tr1/functional_hash.h>
39
40namespace std
41{ 
42_GLIBCXX_BEGIN_NAMESPACE(tr1)
43
44  // XXX When we get typedef templates these class definitions
45  // will be unnecessary.
46  template<class _Value,
47	   class _Hash = hash<_Value>,
48	   class _Pred = std::equal_to<_Value>,
49	   class _Alloc = std::allocator<_Value>,
50	   bool __cache_hash_code = false>
51    class unordered_set
52    : public _Hashtable<_Value, _Value, _Alloc,
53			std::_Identity<_Value>, _Pred,
54			_Hash, __detail::_Mod_range_hashing,
55			__detail::_Default_ranged_hash,
56			__detail::_Prime_rehash_policy,
57			__cache_hash_code, true, true>
58    {
59      typedef _Hashtable<_Value, _Value, _Alloc,
60			 std::_Identity<_Value>, _Pred,
61			 _Hash, __detail::_Mod_range_hashing,
62			 __detail::_Default_ranged_hash,
63			 __detail::_Prime_rehash_policy,
64			 __cache_hash_code, true, true>
65        _Base;
66
67    public:
68      typedef typename _Base::size_type       size_type;
69      typedef typename _Base::hasher          hasher;
70      typedef typename _Base::key_equal       key_equal;
71      typedef typename _Base::allocator_type  allocator_type;
72      
73      explicit
74      unordered_set(size_type __n = 10,
75		    const hasher& __hf = hasher(),
76		    const key_equal& __eql = key_equal(),
77		    const allocator_type& __a = allocator_type())
78      : _Base(__n, __hf, __detail::_Mod_range_hashing(),
79	      __detail::_Default_ranged_hash(), __eql,
80	      std::_Identity<_Value>(), __a)
81      { }
82
83      template<typename _InputIterator>
84        unordered_set(_InputIterator __f, _InputIterator __l, 
85		      size_type __n = 10,
86		      const hasher& __hf = hasher(), 
87		      const key_equal& __eql = key_equal(), 
88		      const allocator_type& __a = allocator_type())
89	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
90		__detail::_Default_ranged_hash(), __eql,
91		std::_Identity<_Value>(), __a)
92        { }
93    };
94
95  template<class _Value,
96	   class _Hash = hash<_Value>,
97	   class _Pred = std::equal_to<_Value>,
98	   class _Alloc = std::allocator<_Value>,
99	   bool __cache_hash_code = false>
100    class unordered_multiset
101    : public _Hashtable<_Value, _Value, _Alloc,
102			std::_Identity<_Value>, _Pred,
103			_Hash, __detail::_Mod_range_hashing,
104			__detail::_Default_ranged_hash,
105			__detail::_Prime_rehash_policy,
106			__cache_hash_code, true, false>
107    {
108      typedef _Hashtable<_Value, _Value, _Alloc,
109			 std::_Identity<_Value>, _Pred,
110			 _Hash, __detail::_Mod_range_hashing,
111			 __detail::_Default_ranged_hash,
112			 __detail::_Prime_rehash_policy,
113			 __cache_hash_code, true, false>
114        _Base;
115
116    public:
117      typedef typename _Base::size_type       size_type;
118      typedef typename _Base::hasher          hasher;
119      typedef typename _Base::key_equal       key_equal;
120      typedef typename _Base::allocator_type  allocator_type;
121      
122      explicit
123      unordered_multiset(size_type __n = 10,
124			 const hasher& __hf = hasher(),
125			 const key_equal& __eql = key_equal(),
126			 const allocator_type& __a = allocator_type())
127      : _Base(__n, __hf, __detail::_Mod_range_hashing(),
128	      __detail::_Default_ranged_hash(), __eql,
129	      std::_Identity<_Value>(), __a)
130      { }
131
132
133      template<typename _InputIterator>
134        unordered_multiset(_InputIterator __f, _InputIterator __l, 
135			   typename _Base::size_type __n = 0,
136			   const hasher& __hf = hasher(), 
137			   const key_equal& __eql = key_equal(), 
138			   const allocator_type& __a = allocator_type())
139	: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
140		__detail::_Default_ranged_hash(), __eql,
141		std::_Identity<_Value>(), __a)
142        { }
143    };
144
145  template<class _Value, class _Hash, class _Pred, class _Alloc,
146	   bool __cache_hash_code>
147    inline void
148    swap (unordered_set<_Value, _Hash, _Pred,
149	  _Alloc, __cache_hash_code>& __x,
150	  unordered_set<_Value, _Hash, _Pred,
151	  _Alloc, __cache_hash_code>& __y)
152    { __x.swap(__y); }
153
154  template<class _Value, class _Hash, class _Pred, class _Alloc,
155	   bool __cache_hash_code>
156    inline void
157    swap(unordered_multiset<_Value, _Hash, _Pred,
158	 _Alloc, __cache_hash_code>& __x,
159	 unordered_multiset<_Value, _Hash, _Pred,
160	 _Alloc, __cache_hash_code>& __y)
161    { __x.swap(__y); }
162
163_GLIBCXX_END_NAMESPACE
164}
165
166#endif // _TR1_UNORDERED_SET
167