hash_map revision 132720
197403Sobrien// Hashing map implementation -*- C++ -*- 297403Sobrien 397403Sobrien// Copyright (C) 2001, 2002 Free Software Foundation, Inc. 497403Sobrien// 597403Sobrien// This file is part of the GNU ISO C++ Library. This library is free 697403Sobrien// software; you can redistribute it and/or modify it under the 797403Sobrien// terms of the GNU General Public License as published by the 897403Sobrien// Free Software Foundation; either version 2, or (at your option) 997403Sobrien// any later version. 1097403Sobrien 1197403Sobrien// This library is distributed in the hope that it will be useful, 1297403Sobrien// but WITHOUT ANY WARRANTY; without even the implied warranty of 1397403Sobrien// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1497403Sobrien// GNU General Public License for more details. 1597403Sobrien 1697403Sobrien// You should have received a copy of the GNU General Public License along 1797403Sobrien// with this library; see the file COPYING. If not, write to the Free 1897403Sobrien// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 1997403Sobrien// USA. 2097403Sobrien 2197403Sobrien// As a special exception, you may use this file as part of a free software 2297403Sobrien// library without restriction. Specifically, if other files instantiate 2397403Sobrien// templates or use macros or inline functions from this file, or you compile 2497403Sobrien// this file and link it with other files to produce an executable, this 2597403Sobrien// file does not by itself cause the resulting executable to be covered by 2697403Sobrien// the GNU General Public License. This exception does not however 2797403Sobrien// invalidate any other reasons why the executable file might be covered by 2897403Sobrien// the GNU General Public License. 2997403Sobrien 3097403Sobrien/* 3197403Sobrien * Copyright (c) 1996 3297403Sobrien * Silicon Graphics Computer Systems, Inc. 3397403Sobrien * 3497403Sobrien * Permission to use, copy, modify, distribute and sell this software 3597403Sobrien * and its documentation for any purpose is hereby granted without fee, 3697403Sobrien * provided that the above copyright notice appear in all copies and 3797403Sobrien * that both that copyright notice and this permission notice appear 3897403Sobrien * in supporting documentation. Silicon Graphics makes no 3997403Sobrien * representations about the suitability of this software for any 4097403Sobrien * purpose. It is provided "as is" without express or implied warranty. 4197403Sobrien * 4297403Sobrien * 4397403Sobrien * Copyright (c) 1994 4497403Sobrien * Hewlett-Packard Company 4597403Sobrien * 4697403Sobrien * Permission to use, copy, modify, distribute and sell this software 4797403Sobrien * and its documentation for any purpose is hereby granted without fee, 4897403Sobrien * provided that the above copyright notice appear in all copies and 4997403Sobrien * that both that copyright notice and this permission notice appear 5097403Sobrien * in supporting documentation. Hewlett-Packard Company makes no 5197403Sobrien * representations about the suitability of this software for any 5297403Sobrien * purpose. It is provided "as is" without express or implied warranty. 5397403Sobrien * 5497403Sobrien */ 5597403Sobrien 5697403Sobrien/** @file ext/hash_map 5797403Sobrien * This file is a GNU extension to the Standard C++ Library (possibly 5897403Sobrien * containing extensions from the HP/SGI STL subset). You should only 5997403Sobrien * include this header if you are using GCC 3 or later. 6097403Sobrien */ 6197403Sobrien 62132720Skan#ifndef _HASH_MAP 63132720Skan#define _HASH_MAP 1 6497403Sobrien 65132720Skan#include <ext/hashtable.h> 6697403Sobrien#include <bits/concept_check.h> 6797403Sobrien 6897403Sobriennamespace __gnu_cxx 6997403Sobrien{ 70132720Skan using std::equal_to; 71132720Skan using std::allocator; 72132720Skan using std::pair; 73132720Skan using std::_Select1st; 7497403Sobrien 75132720Skan // Forward declaration of equality operator; needed for friend 76132720Skan // declaration. 77132720Skan template<class _Key, class _Tp, class _HashFcn = hash<_Key>, 78132720Skan class _EqualKey = equal_to<_Key>, class _Alloc = allocator<_Tp> > 79132720Skan class hash_map; 8097403Sobrien 81132720Skan template<class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 82132720Skan inline bool operator==(const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&, 83132720Skan const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&); 84102782Skan/** 85102782Skan * This is an SGI extension. 86102782Skan * @ingroup SGIextensions 87102782Skan * @doctodo 88102782Skan*/ 8997403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqualKey, 9097403Sobrien class _Alloc> 9197403Sobrienclass hash_map 9297403Sobrien{ 9397403Sobrienprivate: 9497403Sobrien typedef hashtable<pair<const _Key,_Tp>,_Key,_HashFcn, 9597403Sobrien _Select1st<pair<const _Key,_Tp> >,_EqualKey,_Alloc> _Ht; 9697403Sobrien _Ht _M_ht; 9797403Sobrien 9897403Sobrienpublic: 9997403Sobrien typedef typename _Ht::key_type key_type; 10097403Sobrien typedef _Tp data_type; 10197403Sobrien typedef _Tp mapped_type; 10297403Sobrien typedef typename _Ht::value_type value_type; 10397403Sobrien typedef typename _Ht::hasher hasher; 10497403Sobrien typedef typename _Ht::key_equal key_equal; 105132720Skan 10697403Sobrien typedef typename _Ht::size_type size_type; 10797403Sobrien typedef typename _Ht::difference_type difference_type; 10897403Sobrien typedef typename _Ht::pointer pointer; 10997403Sobrien typedef typename _Ht::const_pointer const_pointer; 11097403Sobrien typedef typename _Ht::reference reference; 11197403Sobrien typedef typename _Ht::const_reference const_reference; 11297403Sobrien 11397403Sobrien typedef typename _Ht::iterator iterator; 11497403Sobrien typedef typename _Ht::const_iterator const_iterator; 11597403Sobrien 11697403Sobrien typedef typename _Ht::allocator_type allocator_type; 11797403Sobrien 11897403Sobrien hasher hash_funct() const { return _M_ht.hash_funct(); } 11997403Sobrien key_equal key_eq() const { return _M_ht.key_eq(); } 12097403Sobrien allocator_type get_allocator() const { return _M_ht.get_allocator(); } 12197403Sobrien 12297403Sobrienpublic: 12397403Sobrien hash_map() : _M_ht(100, hasher(), key_equal(), allocator_type()) {} 12497403Sobrien explicit hash_map(size_type __n) 12597403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} 12697403Sobrien hash_map(size_type __n, const hasher& __hf) 12797403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) {} 12897403Sobrien hash_map(size_type __n, const hasher& __hf, const key_equal& __eql, 12997403Sobrien const allocator_type& __a = allocator_type()) 13097403Sobrien : _M_ht(__n, __hf, __eql, __a) {} 13197403Sobrien 13297403Sobrien template <class _InputIterator> 13397403Sobrien hash_map(_InputIterator __f, _InputIterator __l) 13497403Sobrien : _M_ht(100, hasher(), key_equal(), allocator_type()) 13597403Sobrien { _M_ht.insert_unique(__f, __l); } 13697403Sobrien template <class _InputIterator> 13797403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n) 13897403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) 13997403Sobrien { _M_ht.insert_unique(__f, __l); } 14097403Sobrien template <class _InputIterator> 14197403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n, 14297403Sobrien const hasher& __hf) 14397403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) 14497403Sobrien { _M_ht.insert_unique(__f, __l); } 14597403Sobrien template <class _InputIterator> 14697403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n, 14797403Sobrien const hasher& __hf, const key_equal& __eql, 14897403Sobrien const allocator_type& __a = allocator_type()) 14997403Sobrien : _M_ht(__n, __hf, __eql, __a) 15097403Sobrien { _M_ht.insert_unique(__f, __l); } 15197403Sobrien 15297403Sobrienpublic: 15397403Sobrien size_type size() const { return _M_ht.size(); } 15497403Sobrien size_type max_size() const { return _M_ht.max_size(); } 15597403Sobrien bool empty() const { return _M_ht.empty(); } 15697403Sobrien void swap(hash_map& __hs) { _M_ht.swap(__hs._M_ht); } 15797403Sobrien 15897403Sobrien template <class _K1, class _T1, class _HF, class _EqK, class _Al> 15997403Sobrien friend bool operator== (const hash_map<_K1, _T1, _HF, _EqK, _Al>&, 16097403Sobrien const hash_map<_K1, _T1, _HF, _EqK, _Al>&); 16197403Sobrien 16297403Sobrien iterator begin() { return _M_ht.begin(); } 16397403Sobrien iterator end() { return _M_ht.end(); } 16497403Sobrien const_iterator begin() const { return _M_ht.begin(); } 16597403Sobrien const_iterator end() const { return _M_ht.end(); } 16697403Sobrien 16797403Sobrienpublic: 16897403Sobrien pair<iterator,bool> insert(const value_type& __obj) 16997403Sobrien { return _M_ht.insert_unique(__obj); } 17097403Sobrien template <class _InputIterator> 17197403Sobrien void insert(_InputIterator __f, _InputIterator __l) 17297403Sobrien { _M_ht.insert_unique(__f,__l); } 17397403Sobrien pair<iterator,bool> insert_noresize(const value_type& __obj) 174132720Skan { return _M_ht.insert_unique_noresize(__obj); } 17597403Sobrien 17697403Sobrien iterator find(const key_type& __key) { return _M_ht.find(__key); } 177132720Skan const_iterator find(const key_type& __key) const 17897403Sobrien { return _M_ht.find(__key); } 17997403Sobrien 18097403Sobrien _Tp& operator[](const key_type& __key) { 18197403Sobrien return _M_ht.find_or_insert(value_type(__key, _Tp())).second; 18297403Sobrien } 18397403Sobrien 18497403Sobrien size_type count(const key_type& __key) const { return _M_ht.count(__key); } 185132720Skan 18697403Sobrien pair<iterator, iterator> equal_range(const key_type& __key) 18797403Sobrien { return _M_ht.equal_range(__key); } 18897403Sobrien pair<const_iterator, const_iterator> 18997403Sobrien equal_range(const key_type& __key) const 19097403Sobrien { return _M_ht.equal_range(__key); } 19197403Sobrien 19297403Sobrien size_type erase(const key_type& __key) {return _M_ht.erase(__key); } 19397403Sobrien void erase(iterator __it) { _M_ht.erase(__it); } 19497403Sobrien void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); } 19597403Sobrien void clear() { _M_ht.clear(); } 19697403Sobrien 19797403Sobrien void resize(size_type __hint) { _M_ht.resize(__hint); } 19897403Sobrien size_type bucket_count() const { return _M_ht.bucket_count(); } 19997403Sobrien size_type max_bucket_count() const { return _M_ht.max_bucket_count(); } 20097403Sobrien size_type elems_in_bucket(size_type __n) const 20197403Sobrien { return _M_ht.elems_in_bucket(__n); } 20297403Sobrien}; 20397403Sobrien 20497403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 205132720Skaninline bool 20697403Sobrienoperator==(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 20797403Sobrien const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 20897403Sobrien{ 20997403Sobrien return __hm1._M_ht == __hm2._M_ht; 21097403Sobrien} 21197403Sobrien 21297403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 213132720Skaninline bool 21497403Sobrienoperator!=(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 21597403Sobrien const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) { 21697403Sobrien return !(__hm1 == __hm2); 21797403Sobrien} 21897403Sobrien 21997403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 220132720Skaninline void 22197403Sobrienswap(hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 22297403Sobrien hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 22397403Sobrien{ 22497403Sobrien __hm1.swap(__hm2); 22597403Sobrien} 22697403Sobrien 22797403Sobrien// Forward declaration of equality operator; needed for friend declaration. 22897403Sobrien 22997403Sobrientemplate <class _Key, class _Tp, 23097403Sobrien class _HashFcn = hash<_Key>, 23197403Sobrien class _EqualKey = equal_to<_Key>, 23297403Sobrien class _Alloc = allocator<_Tp> > 23397403Sobrienclass hash_multimap; 23497403Sobrien 23597403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 236132720Skaninline bool 23797403Sobrienoperator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 23897403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2); 23997403Sobrien 240102782Skan/** 241102782Skan * This is an SGI extension. 242102782Skan * @ingroup SGIextensions 243102782Skan * @doctodo 244102782Skan*/ 24597403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqualKey, class _Alloc> 24697403Sobrienclass hash_multimap 24797403Sobrien{ 24897403Sobrien // concept requirements 249132720Skan __glibcxx_class_requires(_Key, _SGIAssignableConcept) 250132720Skan __glibcxx_class_requires(_Tp, _SGIAssignableConcept) 251132720Skan __glibcxx_class_requires3(_HashFcn, size_t, _Key, _UnaryFunctionConcept) 252132720Skan __glibcxx_class_requires3(_EqualKey, _Key, _Key, _BinaryPredicateConcept) 25397403Sobrien 25497403Sobrienprivate: 25597403Sobrien typedef hashtable<pair<const _Key, _Tp>, _Key, _HashFcn, 256132720Skan _Select1st<pair<const _Key, _Tp> >, _EqualKey, _Alloc> 25797403Sobrien _Ht; 25897403Sobrien _Ht _M_ht; 25997403Sobrien 26097403Sobrienpublic: 26197403Sobrien typedef typename _Ht::key_type key_type; 26297403Sobrien typedef _Tp data_type; 26397403Sobrien typedef _Tp mapped_type; 26497403Sobrien typedef typename _Ht::value_type value_type; 26597403Sobrien typedef typename _Ht::hasher hasher; 26697403Sobrien typedef typename _Ht::key_equal key_equal; 26797403Sobrien 26897403Sobrien typedef typename _Ht::size_type size_type; 26997403Sobrien typedef typename _Ht::difference_type difference_type; 27097403Sobrien typedef typename _Ht::pointer pointer; 27197403Sobrien typedef typename _Ht::const_pointer const_pointer; 27297403Sobrien typedef typename _Ht::reference reference; 27397403Sobrien typedef typename _Ht::const_reference const_reference; 27497403Sobrien 27597403Sobrien typedef typename _Ht::iterator iterator; 27697403Sobrien typedef typename _Ht::const_iterator const_iterator; 27797403Sobrien 27897403Sobrien typedef typename _Ht::allocator_type allocator_type; 27997403Sobrien 28097403Sobrien hasher hash_funct() const { return _M_ht.hash_funct(); } 28197403Sobrien key_equal key_eq() const { return _M_ht.key_eq(); } 28297403Sobrien allocator_type get_allocator() const { return _M_ht.get_allocator(); } 28397403Sobrien 28497403Sobrienpublic: 28597403Sobrien hash_multimap() : _M_ht(100, hasher(), key_equal(), allocator_type()) {} 28697403Sobrien explicit hash_multimap(size_type __n) 28797403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} 28897403Sobrien hash_multimap(size_type __n, const hasher& __hf) 28997403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) {} 29097403Sobrien hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql, 29197403Sobrien const allocator_type& __a = allocator_type()) 29297403Sobrien : _M_ht(__n, __hf, __eql, __a) {} 29397403Sobrien 29497403Sobrien template <class _InputIterator> 29597403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l) 29697403Sobrien : _M_ht(100, hasher(), key_equal(), allocator_type()) 29797403Sobrien { _M_ht.insert_equal(__f, __l); } 29897403Sobrien template <class _InputIterator> 29997403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n) 30097403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) 30197403Sobrien { _M_ht.insert_equal(__f, __l); } 30297403Sobrien template <class _InputIterator> 30397403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, 30497403Sobrien const hasher& __hf) 30597403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) 30697403Sobrien { _M_ht.insert_equal(__f, __l); } 30797403Sobrien template <class _InputIterator> 30897403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, 30997403Sobrien const hasher& __hf, const key_equal& __eql, 31097403Sobrien const allocator_type& __a = allocator_type()) 31197403Sobrien : _M_ht(__n, __hf, __eql, __a) 31297403Sobrien { _M_ht.insert_equal(__f, __l); } 31397403Sobrien 31497403Sobrienpublic: 31597403Sobrien size_type size() const { return _M_ht.size(); } 31697403Sobrien size_type max_size() const { return _M_ht.max_size(); } 31797403Sobrien bool empty() const { return _M_ht.empty(); } 31897403Sobrien void swap(hash_multimap& __hs) { _M_ht.swap(__hs._M_ht); } 31997403Sobrien 32097403Sobrien template <class _K1, class _T1, class _HF, class _EqK, class _Al> 32197403Sobrien friend bool operator== (const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&, 32297403Sobrien const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&); 32397403Sobrien 32497403Sobrien iterator begin() { return _M_ht.begin(); } 32597403Sobrien iterator end() { return _M_ht.end(); } 32697403Sobrien const_iterator begin() const { return _M_ht.begin(); } 32797403Sobrien const_iterator end() const { return _M_ht.end(); } 32897403Sobrien 32997403Sobrienpublic: 330132720Skan iterator insert(const value_type& __obj) 33197403Sobrien { return _M_ht.insert_equal(__obj); } 33297403Sobrien template <class _InputIterator> 333132720Skan void insert(_InputIterator __f, _InputIterator __l) 33497403Sobrien { _M_ht.insert_equal(__f,__l); } 33597403Sobrien iterator insert_noresize(const value_type& __obj) 336132720Skan { return _M_ht.insert_equal_noresize(__obj); } 33797403Sobrien 33897403Sobrien iterator find(const key_type& __key) { return _M_ht.find(__key); } 339132720Skan const_iterator find(const key_type& __key) const 34097403Sobrien { return _M_ht.find(__key); } 34197403Sobrien 34297403Sobrien size_type count(const key_type& __key) const { return _M_ht.count(__key); } 343132720Skan 34497403Sobrien pair<iterator, iterator> equal_range(const key_type& __key) 34597403Sobrien { return _M_ht.equal_range(__key); } 34697403Sobrien pair<const_iterator, const_iterator> 34797403Sobrien equal_range(const key_type& __key) const 34897403Sobrien { return _M_ht.equal_range(__key); } 34997403Sobrien 35097403Sobrien size_type erase(const key_type& __key) {return _M_ht.erase(__key); } 35197403Sobrien void erase(iterator __it) { _M_ht.erase(__it); } 35297403Sobrien void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); } 35397403Sobrien void clear() { _M_ht.clear(); } 35497403Sobrien 35597403Sobrienpublic: 35697403Sobrien void resize(size_type __hint) { _M_ht.resize(__hint); } 35797403Sobrien size_type bucket_count() const { return _M_ht.bucket_count(); } 35897403Sobrien size_type max_bucket_count() const { return _M_ht.max_bucket_count(); } 35997403Sobrien size_type elems_in_bucket(size_type __n) const 36097403Sobrien { return _M_ht.elems_in_bucket(__n); } 36197403Sobrien}; 36297403Sobrien 36397403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 364132720Skaninline bool 36597403Sobrienoperator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 36697403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2) 36797403Sobrien{ 36897403Sobrien return __hm1._M_ht == __hm2._M_ht; 36997403Sobrien} 37097403Sobrien 37197403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 372132720Skaninline bool 37397403Sobrienoperator!=(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 37497403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2) { 37597403Sobrien return !(__hm1 == __hm2); 37697403Sobrien} 37797403Sobrien 37897403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 379132720Skaninline void 38097403Sobrienswap(hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 38197403Sobrien hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 38297403Sobrien{ 38397403Sobrien __hm1.swap(__hm2); 38497403Sobrien} 38597403Sobrien 38697403Sobrien} // namespace __gnu_cxx 38797403Sobrien 38897403Sobriennamespace std 38997403Sobrien{ 39097403Sobrien// Specialization of insert_iterator so that it will work for hash_map 39197403Sobrien// and hash_multimap. 39297403Sobrien 39397403Sobrientemplate <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 39497403Sobrienclass insert_iterator<__gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > { 39597403Sobrienprotected: 39697403Sobrien typedef __gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container; 39797403Sobrien _Container* container; 39897403Sobrienpublic: 39997403Sobrien typedef _Container container_type; 40097403Sobrien typedef output_iterator_tag iterator_category; 40197403Sobrien typedef void value_type; 40297403Sobrien typedef void difference_type; 40397403Sobrien typedef void pointer; 40497403Sobrien typedef void reference; 40597403Sobrien 40697403Sobrien insert_iterator(_Container& __x) : container(&__x) {} 40797403Sobrien insert_iterator(_Container& __x, typename _Container::iterator) 40897403Sobrien : container(&__x) {} 40997403Sobrien insert_iterator<_Container>& 410132720Skan operator=(const typename _Container::value_type& __value) { 41197403Sobrien container->insert(__value); 41297403Sobrien return *this; 41397403Sobrien } 41497403Sobrien insert_iterator<_Container>& operator*() { return *this; } 41597403Sobrien insert_iterator<_Container>& operator++() { return *this; } 41697403Sobrien insert_iterator<_Container>& operator++(int) { return *this; } 41797403Sobrien}; 41897403Sobrien 41997403Sobrientemplate <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 42097403Sobrienclass insert_iterator<__gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > { 42197403Sobrienprotected: 42297403Sobrien typedef __gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container; 42397403Sobrien _Container* container; 42497403Sobrien typename _Container::iterator iter; 42597403Sobrienpublic: 42697403Sobrien typedef _Container container_type; 42797403Sobrien typedef output_iterator_tag iterator_category; 42897403Sobrien typedef void value_type; 42997403Sobrien typedef void difference_type; 43097403Sobrien typedef void pointer; 43197403Sobrien typedef void reference; 43297403Sobrien 43397403Sobrien insert_iterator(_Container& __x) : container(&__x) {} 43497403Sobrien insert_iterator(_Container& __x, typename _Container::iterator) 43597403Sobrien : container(&__x) {} 43697403Sobrien insert_iterator<_Container>& 437132720Skan operator=(const typename _Container::value_type& __value) { 43897403Sobrien container->insert(__value); 43997403Sobrien return *this; 44097403Sobrien } 44197403Sobrien insert_iterator<_Container>& operator*() { return *this; } 44297403Sobrien insert_iterator<_Container>& operator++() { return *this; } 44397403Sobrien insert_iterator<_Container>& operator++(int) { return *this; } 44497403Sobrien}; 44597403Sobrien} // namespace std 44697403Sobrien 447132720Skan#endif 448