1 // TR1 unordered_map -*- C++ -*-
3 // Copyright (C) 2005 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
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
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.
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,
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.
31 * This is a TR1 C++ Library header.
34 #ifndef GNU_LIBSTDCXX_TR1_UNORDERED_MAP_
35 #define GNU_LIBSTDCXX_TR1_UNORDERED_MAP_
37 #include <tr1/hashtable>
38 #include <tr1/functional>
39 #include <tr1/functional>
47 // XXX When we get typedef templates these class definitions
48 // will be unnecessary.
50 template<class Key, class T,
51 class Hash = hash<Key>,
52 class Pred = std::equal_to<Key>,
53 class Alloc = std::allocator<std::pair<const Key, T> >,
54 bool cache_hash_code = false>
56 : public hashtable <Key, std::pair<const Key, T>,
58 Internal::extract1st<std::pair<const Key, T> >, Pred,
59 Hash, Internal::mod_range_hashing,
60 Internal::default_ranged_hash,
61 Internal::prime_rehash_policy,
62 cache_hash_code, false, true>
64 typedef hashtable <Key, std::pair<const Key, T>,
66 Internal::extract1st<std::pair<const Key, T> >, Pred,
67 Hash, Internal::mod_range_hashing,
68 Internal::default_ranged_hash,
69 Internal::prime_rehash_policy,
70 cache_hash_code, false, true>
74 typedef typename Base::size_type size_type;
75 typedef typename Base::hasher hasher;
76 typedef typename Base::key_equal key_equal;
77 typedef typename Base::allocator_type allocator_type;
80 unordered_map(size_type n = 10,
81 const hasher& hf = hasher(),
82 const key_equal& eql = key_equal(),
83 const allocator_type& a = allocator_type())
84 : Base(n, hf, Internal::mod_range_hashing(),
85 Internal::default_ranged_hash(),
86 eql, Internal::extract1st<std::pair<const Key, T> >(), a)
89 template<typename InputIterator>
90 unordered_map(InputIterator f, InputIterator l,
92 const hasher& hf = hasher(),
93 const key_equal& eql = key_equal(),
94 const allocator_type& a = allocator_type())
95 : Base (f, l, n, hf, Internal::mod_range_hashing(),
96 Internal::default_ranged_hash(),
97 eql, Internal::extract1st<std::pair<const Key, T> >(), a)
101 template<class Key, class T,
102 class Hash = hash<Key>,
103 class Pred = std::equal_to<Key>,
104 class Alloc = std::allocator<std::pair<const Key, T> >,
105 bool cache_hash_code = false>
106 class unordered_multimap
107 : public hashtable <Key, std::pair<const Key, T>,
109 Internal::extract1st<std::pair<const Key, T> >, Pred,
110 Hash, Internal::mod_range_hashing,
111 Internal::default_ranged_hash,
112 Internal::prime_rehash_policy,
113 cache_hash_code, false, false>
115 typedef hashtable <Key, std::pair<const Key, T>,
117 Internal::extract1st<std::pair<const Key, T> >, Pred,
118 Hash, Internal::mod_range_hashing,
119 Internal::default_ranged_hash,
120 Internal::prime_rehash_policy,
121 cache_hash_code, false, false>
125 typedef typename Base::size_type size_type;
126 typedef typename Base::hasher hasher;
127 typedef typename Base::key_equal key_equal;
128 typedef typename Base::allocator_type allocator_type;
131 unordered_multimap(size_type n = 10,
132 const hasher& hf = hasher(),
133 const key_equal& eql = key_equal(),
134 const allocator_type& a = allocator_type())
135 : Base (n, hf, Internal::mod_range_hashing(),
136 Internal::default_ranged_hash(),
137 eql, Internal::extract1st<std::pair<const Key, T> >(), a)
141 template<typename InputIterator>
142 unordered_multimap(InputIterator f, InputIterator l,
143 typename Base::size_type n = 0,
144 const hasher& hf = hasher(),
145 const key_equal& eql = key_equal(),
146 const allocator_type& a = allocator_type())
147 : Base (f, l, n, hf, Internal::mod_range_hashing(),
148 Internal::default_ranged_hash(),
149 eql, Internal::extract1st<std::pair<const Key, T> >(), a)
153 template<class Key, class T, class Hash, class Pred, class Alloc,
154 bool cache_hash_code>
156 swap(unordered_map<Key, T, Hash, Pred, Alloc, cache_hash_code>& x,
157 unordered_map<Key, T, Hash, Pred, Alloc, cache_hash_code>& y)
160 template<class Key, class T, class Hash, class Pred, class Alloc,
161 bool cache_hash_code>
163 swap(unordered_multimap<Key, T, Hash, Pred, Alloc, cache_hash_code>& x,
164 unordered_multimap<Key, T, Hash, Pred, Alloc, cache_hash_code>& y)
170 #endif /* GNU_LIBSTDCXX_TR1_UNORDERED_MAP_ */