hash_map revision 97403
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 6297403Sobrien#ifndef __SGI_STL_INTERNAL_HASH_MAP_H 6397403Sobrien#define __SGI_STL_INTERNAL_HASH_MAP_H 6497403Sobrien 6597403Sobrien#include <ext/stl_hashtable.h> 6697403Sobrien#include <bits/concept_check.h> 6797403Sobrien 6897403Sobriennamespace __gnu_cxx 6997403Sobrien{ 7097403Sobrienusing std::equal_to; 7197403Sobrienusing std::allocator; 7297403Sobrienusing std::pair; 7397403Sobrienusing std::_Select1st; 7497403Sobrien 7597403Sobrien// Forward declaration of equality operator; needed for friend declaration. 7697403Sobrien 7797403Sobrientemplate <class _Key, class _Tp, 7897403Sobrien class _HashFcn = hash<_Key>, 7997403Sobrien class _EqualKey = equal_to<_Key>, 8097403Sobrien class _Alloc = allocator<_Tp> > 8197403Sobrienclass hash_map; 8297403Sobrien 8397403Sobrientemplate <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 8497403Sobrieninline bool operator==(const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&, 8597403Sobrien const hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc>&); 8697403Sobrien 8797403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqualKey, 8897403Sobrien class _Alloc> 8997403Sobrienclass hash_map 9097403Sobrien{ 9197403Sobrienprivate: 9297403Sobrien typedef hashtable<pair<const _Key,_Tp>,_Key,_HashFcn, 9397403Sobrien _Select1st<pair<const _Key,_Tp> >,_EqualKey,_Alloc> _Ht; 9497403Sobrien _Ht _M_ht; 9597403Sobrien 9697403Sobrienpublic: 9797403Sobrien typedef typename _Ht::key_type key_type; 9897403Sobrien typedef _Tp data_type; 9997403Sobrien typedef _Tp mapped_type; 10097403Sobrien typedef typename _Ht::value_type value_type; 10197403Sobrien typedef typename _Ht::hasher hasher; 10297403Sobrien typedef typename _Ht::key_equal key_equal; 10397403Sobrien 10497403Sobrien typedef typename _Ht::size_type size_type; 10597403Sobrien typedef typename _Ht::difference_type difference_type; 10697403Sobrien typedef typename _Ht::pointer pointer; 10797403Sobrien typedef typename _Ht::const_pointer const_pointer; 10897403Sobrien typedef typename _Ht::reference reference; 10997403Sobrien typedef typename _Ht::const_reference const_reference; 11097403Sobrien 11197403Sobrien typedef typename _Ht::iterator iterator; 11297403Sobrien typedef typename _Ht::const_iterator const_iterator; 11397403Sobrien 11497403Sobrien typedef typename _Ht::allocator_type allocator_type; 11597403Sobrien 11697403Sobrien hasher hash_funct() const { return _M_ht.hash_funct(); } 11797403Sobrien key_equal key_eq() const { return _M_ht.key_eq(); } 11897403Sobrien allocator_type get_allocator() const { return _M_ht.get_allocator(); } 11997403Sobrien 12097403Sobrienpublic: 12197403Sobrien hash_map() : _M_ht(100, hasher(), key_equal(), allocator_type()) {} 12297403Sobrien explicit hash_map(size_type __n) 12397403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} 12497403Sobrien hash_map(size_type __n, const hasher& __hf) 12597403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) {} 12697403Sobrien hash_map(size_type __n, const hasher& __hf, const key_equal& __eql, 12797403Sobrien const allocator_type& __a = allocator_type()) 12897403Sobrien : _M_ht(__n, __hf, __eql, __a) {} 12997403Sobrien 13097403Sobrien template <class _InputIterator> 13197403Sobrien hash_map(_InputIterator __f, _InputIterator __l) 13297403Sobrien : _M_ht(100, hasher(), key_equal(), allocator_type()) 13397403Sobrien { _M_ht.insert_unique(__f, __l); } 13497403Sobrien template <class _InputIterator> 13597403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n) 13697403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) 13797403Sobrien { _M_ht.insert_unique(__f, __l); } 13897403Sobrien template <class _InputIterator> 13997403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n, 14097403Sobrien const hasher& __hf) 14197403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) 14297403Sobrien { _M_ht.insert_unique(__f, __l); } 14397403Sobrien template <class _InputIterator> 14497403Sobrien hash_map(_InputIterator __f, _InputIterator __l, size_type __n, 14597403Sobrien const hasher& __hf, const key_equal& __eql, 14697403Sobrien const allocator_type& __a = allocator_type()) 14797403Sobrien : _M_ht(__n, __hf, __eql, __a) 14897403Sobrien { _M_ht.insert_unique(__f, __l); } 14997403Sobrien 15097403Sobrienpublic: 15197403Sobrien size_type size() const { return _M_ht.size(); } 15297403Sobrien size_type max_size() const { return _M_ht.max_size(); } 15397403Sobrien bool empty() const { return _M_ht.empty(); } 15497403Sobrien void swap(hash_map& __hs) { _M_ht.swap(__hs._M_ht); } 15597403Sobrien 15697403Sobrien template <class _K1, class _T1, class _HF, class _EqK, class _Al> 15797403Sobrien friend bool operator== (const hash_map<_K1, _T1, _HF, _EqK, _Al>&, 15897403Sobrien const hash_map<_K1, _T1, _HF, _EqK, _Al>&); 15997403Sobrien 16097403Sobrien iterator begin() { return _M_ht.begin(); } 16197403Sobrien iterator end() { return _M_ht.end(); } 16297403Sobrien const_iterator begin() const { return _M_ht.begin(); } 16397403Sobrien const_iterator end() const { return _M_ht.end(); } 16497403Sobrien 16597403Sobrienpublic: 16697403Sobrien pair<iterator,bool> insert(const value_type& __obj) 16797403Sobrien { return _M_ht.insert_unique(__obj); } 16897403Sobrien template <class _InputIterator> 16997403Sobrien void insert(_InputIterator __f, _InputIterator __l) 17097403Sobrien { _M_ht.insert_unique(__f,__l); } 17197403Sobrien pair<iterator,bool> insert_noresize(const value_type& __obj) 17297403Sobrien { return _M_ht.insert_unique_noresize(__obj); } 17397403Sobrien 17497403Sobrien iterator find(const key_type& __key) { return _M_ht.find(__key); } 17597403Sobrien const_iterator find(const key_type& __key) const 17697403Sobrien { return _M_ht.find(__key); } 17797403Sobrien 17897403Sobrien _Tp& operator[](const key_type& __key) { 17997403Sobrien return _M_ht.find_or_insert(value_type(__key, _Tp())).second; 18097403Sobrien } 18197403Sobrien 18297403Sobrien size_type count(const key_type& __key) const { return _M_ht.count(__key); } 18397403Sobrien 18497403Sobrien pair<iterator, iterator> equal_range(const key_type& __key) 18597403Sobrien { return _M_ht.equal_range(__key); } 18697403Sobrien pair<const_iterator, const_iterator> 18797403Sobrien equal_range(const key_type& __key) const 18897403Sobrien { return _M_ht.equal_range(__key); } 18997403Sobrien 19097403Sobrien size_type erase(const key_type& __key) {return _M_ht.erase(__key); } 19197403Sobrien void erase(iterator __it) { _M_ht.erase(__it); } 19297403Sobrien void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); } 19397403Sobrien void clear() { _M_ht.clear(); } 19497403Sobrien 19597403Sobrien void resize(size_type __hint) { _M_ht.resize(__hint); } 19697403Sobrien size_type bucket_count() const { return _M_ht.bucket_count(); } 19797403Sobrien size_type max_bucket_count() const { return _M_ht.max_bucket_count(); } 19897403Sobrien size_type elems_in_bucket(size_type __n) const 19997403Sobrien { return _M_ht.elems_in_bucket(__n); } 20097403Sobrien}; 20197403Sobrien 20297403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 20397403Sobrieninline bool 20497403Sobrienoperator==(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 20597403Sobrien const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 20697403Sobrien{ 20797403Sobrien return __hm1._M_ht == __hm2._M_ht; 20897403Sobrien} 20997403Sobrien 21097403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 21197403Sobrieninline bool 21297403Sobrienoperator!=(const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 21397403Sobrien const hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) { 21497403Sobrien return !(__hm1 == __hm2); 21597403Sobrien} 21697403Sobrien 21797403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 21897403Sobrieninline void 21997403Sobrienswap(hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 22097403Sobrien hash_map<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 22197403Sobrien{ 22297403Sobrien __hm1.swap(__hm2); 22397403Sobrien} 22497403Sobrien 22597403Sobrien// Forward declaration of equality operator; needed for friend declaration. 22697403Sobrien 22797403Sobrientemplate <class _Key, class _Tp, 22897403Sobrien class _HashFcn = hash<_Key>, 22997403Sobrien class _EqualKey = equal_to<_Key>, 23097403Sobrien class _Alloc = allocator<_Tp> > 23197403Sobrienclass hash_multimap; 23297403Sobrien 23397403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 23497403Sobrieninline bool 23597403Sobrienoperator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 23697403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2); 23797403Sobrien 23897403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqualKey, class _Alloc> 23997403Sobrienclass hash_multimap 24097403Sobrien{ 24197403Sobrien // concept requirements 24297403Sobrien __glibcpp_class_requires(_Key, _SGIAssignableConcept) 24397403Sobrien __glibcpp_class_requires(_Tp, _SGIAssignableConcept) 24497403Sobrien __glibcpp_class_requires3(_HashFcn, size_t, _Key, _UnaryFunctionConcept); 24597403Sobrien __glibcpp_class_requires3(_EqualKey, _Key, _Key, _BinaryPredicateConcept); 24697403Sobrien 24797403Sobrienprivate: 24897403Sobrien typedef hashtable<pair<const _Key, _Tp>, _Key, _HashFcn, 24997403Sobrien _Select1st<pair<const _Key, _Tp> >, _EqualKey, _Alloc> 25097403Sobrien _Ht; 25197403Sobrien _Ht _M_ht; 25297403Sobrien 25397403Sobrienpublic: 25497403Sobrien typedef typename _Ht::key_type key_type; 25597403Sobrien typedef _Tp data_type; 25697403Sobrien typedef _Tp mapped_type; 25797403Sobrien typedef typename _Ht::value_type value_type; 25897403Sobrien typedef typename _Ht::hasher hasher; 25997403Sobrien typedef typename _Ht::key_equal key_equal; 26097403Sobrien 26197403Sobrien typedef typename _Ht::size_type size_type; 26297403Sobrien typedef typename _Ht::difference_type difference_type; 26397403Sobrien typedef typename _Ht::pointer pointer; 26497403Sobrien typedef typename _Ht::const_pointer const_pointer; 26597403Sobrien typedef typename _Ht::reference reference; 26697403Sobrien typedef typename _Ht::const_reference const_reference; 26797403Sobrien 26897403Sobrien typedef typename _Ht::iterator iterator; 26997403Sobrien typedef typename _Ht::const_iterator const_iterator; 27097403Sobrien 27197403Sobrien typedef typename _Ht::allocator_type allocator_type; 27297403Sobrien 27397403Sobrien hasher hash_funct() const { return _M_ht.hash_funct(); } 27497403Sobrien key_equal key_eq() const { return _M_ht.key_eq(); } 27597403Sobrien allocator_type get_allocator() const { return _M_ht.get_allocator(); } 27697403Sobrien 27797403Sobrienpublic: 27897403Sobrien hash_multimap() : _M_ht(100, hasher(), key_equal(), allocator_type()) {} 27997403Sobrien explicit hash_multimap(size_type __n) 28097403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) {} 28197403Sobrien hash_multimap(size_type __n, const hasher& __hf) 28297403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) {} 28397403Sobrien hash_multimap(size_type __n, const hasher& __hf, const key_equal& __eql, 28497403Sobrien const allocator_type& __a = allocator_type()) 28597403Sobrien : _M_ht(__n, __hf, __eql, __a) {} 28697403Sobrien 28797403Sobrien template <class _InputIterator> 28897403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l) 28997403Sobrien : _M_ht(100, hasher(), key_equal(), allocator_type()) 29097403Sobrien { _M_ht.insert_equal(__f, __l); } 29197403Sobrien template <class _InputIterator> 29297403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n) 29397403Sobrien : _M_ht(__n, hasher(), key_equal(), allocator_type()) 29497403Sobrien { _M_ht.insert_equal(__f, __l); } 29597403Sobrien template <class _InputIterator> 29697403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, 29797403Sobrien const hasher& __hf) 29897403Sobrien : _M_ht(__n, __hf, key_equal(), allocator_type()) 29997403Sobrien { _M_ht.insert_equal(__f, __l); } 30097403Sobrien template <class _InputIterator> 30197403Sobrien hash_multimap(_InputIterator __f, _InputIterator __l, size_type __n, 30297403Sobrien const hasher& __hf, const key_equal& __eql, 30397403Sobrien const allocator_type& __a = allocator_type()) 30497403Sobrien : _M_ht(__n, __hf, __eql, __a) 30597403Sobrien { _M_ht.insert_equal(__f, __l); } 30697403Sobrien 30797403Sobrienpublic: 30897403Sobrien size_type size() const { return _M_ht.size(); } 30997403Sobrien size_type max_size() const { return _M_ht.max_size(); } 31097403Sobrien bool empty() const { return _M_ht.empty(); } 31197403Sobrien void swap(hash_multimap& __hs) { _M_ht.swap(__hs._M_ht); } 31297403Sobrien 31397403Sobrien template <class _K1, class _T1, class _HF, class _EqK, class _Al> 31497403Sobrien friend bool operator== (const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&, 31597403Sobrien const hash_multimap<_K1, _T1, _HF, _EqK, _Al>&); 31697403Sobrien 31797403Sobrien iterator begin() { return _M_ht.begin(); } 31897403Sobrien iterator end() { return _M_ht.end(); } 31997403Sobrien const_iterator begin() const { return _M_ht.begin(); } 32097403Sobrien const_iterator end() const { return _M_ht.end(); } 32197403Sobrien 32297403Sobrienpublic: 32397403Sobrien iterator insert(const value_type& __obj) 32497403Sobrien { return _M_ht.insert_equal(__obj); } 32597403Sobrien template <class _InputIterator> 32697403Sobrien void insert(_InputIterator __f, _InputIterator __l) 32797403Sobrien { _M_ht.insert_equal(__f,__l); } 32897403Sobrien iterator insert_noresize(const value_type& __obj) 32997403Sobrien { return _M_ht.insert_equal_noresize(__obj); } 33097403Sobrien 33197403Sobrien iterator find(const key_type& __key) { return _M_ht.find(__key); } 33297403Sobrien const_iterator find(const key_type& __key) const 33397403Sobrien { return _M_ht.find(__key); } 33497403Sobrien 33597403Sobrien size_type count(const key_type& __key) const { return _M_ht.count(__key); } 33697403Sobrien 33797403Sobrien pair<iterator, iterator> equal_range(const key_type& __key) 33897403Sobrien { return _M_ht.equal_range(__key); } 33997403Sobrien pair<const_iterator, const_iterator> 34097403Sobrien equal_range(const key_type& __key) const 34197403Sobrien { return _M_ht.equal_range(__key); } 34297403Sobrien 34397403Sobrien size_type erase(const key_type& __key) {return _M_ht.erase(__key); } 34497403Sobrien void erase(iterator __it) { _M_ht.erase(__it); } 34597403Sobrien void erase(iterator __f, iterator __l) { _M_ht.erase(__f, __l); } 34697403Sobrien void clear() { _M_ht.clear(); } 34797403Sobrien 34897403Sobrienpublic: 34997403Sobrien void resize(size_type __hint) { _M_ht.resize(__hint); } 35097403Sobrien size_type bucket_count() const { return _M_ht.bucket_count(); } 35197403Sobrien size_type max_bucket_count() const { return _M_ht.max_bucket_count(); } 35297403Sobrien size_type elems_in_bucket(size_type __n) const 35397403Sobrien { return _M_ht.elems_in_bucket(__n); } 35497403Sobrien}; 35597403Sobrien 35697403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 35797403Sobrieninline bool 35897403Sobrienoperator==(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 35997403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2) 36097403Sobrien{ 36197403Sobrien return __hm1._M_ht == __hm2._M_ht; 36297403Sobrien} 36397403Sobrien 36497403Sobrientemplate <class _Key, class _Tp, class _HF, class _EqKey, class _Alloc> 36597403Sobrieninline bool 36697403Sobrienoperator!=(const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm1, 36797403Sobrien const hash_multimap<_Key,_Tp,_HF,_EqKey,_Alloc>& __hm2) { 36897403Sobrien return !(__hm1 == __hm2); 36997403Sobrien} 37097403Sobrien 37197403Sobrientemplate <class _Key, class _Tp, class _HashFcn, class _EqlKey, class _Alloc> 37297403Sobrieninline void 37397403Sobrienswap(hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm1, 37497403Sobrien hash_multimap<_Key,_Tp,_HashFcn,_EqlKey,_Alloc>& __hm2) 37597403Sobrien{ 37697403Sobrien __hm1.swap(__hm2); 37797403Sobrien} 37897403Sobrien 37997403Sobrien} // namespace __gnu_cxx 38097403Sobrien 38197403Sobriennamespace std 38297403Sobrien{ 38397403Sobrien// Specialization of insert_iterator so that it will work for hash_map 38497403Sobrien// and hash_multimap. 38597403Sobrien 38697403Sobrientemplate <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 38797403Sobrienclass insert_iterator<__gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> > { 38897403Sobrienprotected: 38997403Sobrien typedef __gnu_cxx::hash_map<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container; 39097403Sobrien _Container* container; 39197403Sobrienpublic: 39297403Sobrien typedef _Container container_type; 39397403Sobrien typedef output_iterator_tag iterator_category; 39497403Sobrien typedef void value_type; 39597403Sobrien typedef void difference_type; 39697403Sobrien typedef void pointer; 39797403Sobrien typedef void reference; 39897403Sobrien 39997403Sobrien insert_iterator(_Container& __x) : container(&__x) {} 40097403Sobrien insert_iterator(_Container& __x, typename _Container::iterator) 40197403Sobrien : container(&__x) {} 40297403Sobrien insert_iterator<_Container>& 40397403Sobrien operator=(const typename _Container::value_type& __value) { 40497403Sobrien container->insert(__value); 40597403Sobrien return *this; 40697403Sobrien } 40797403Sobrien insert_iterator<_Container>& operator*() { return *this; } 40897403Sobrien insert_iterator<_Container>& operator++() { return *this; } 40997403Sobrien insert_iterator<_Container>& operator++(int) { return *this; } 41097403Sobrien}; 41197403Sobrien 41297403Sobrientemplate <class _Key, class _Tp, class _HashFn, class _EqKey, class _Alloc> 41397403Sobrienclass insert_iterator<__gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> > { 41497403Sobrienprotected: 41597403Sobrien typedef __gnu_cxx::hash_multimap<_Key, _Tp, _HashFn, _EqKey, _Alloc> _Container; 41697403Sobrien _Container* container; 41797403Sobrien typename _Container::iterator iter; 41897403Sobrienpublic: 41997403Sobrien typedef _Container container_type; 42097403Sobrien typedef output_iterator_tag iterator_category; 42197403Sobrien typedef void value_type; 42297403Sobrien typedef void difference_type; 42397403Sobrien typedef void pointer; 42497403Sobrien typedef void reference; 42597403Sobrien 42697403Sobrien insert_iterator(_Container& __x) : container(&__x) {} 42797403Sobrien insert_iterator(_Container& __x, typename _Container::iterator) 42897403Sobrien : container(&__x) {} 42997403Sobrien insert_iterator<_Container>& 43097403Sobrien operator=(const typename _Container::value_type& __value) { 43197403Sobrien container->insert(__value); 43297403Sobrien return *this; 43397403Sobrien } 43497403Sobrien insert_iterator<_Container>& operator*() { return *this; } 43597403Sobrien insert_iterator<_Container>& operator++() { return *this; } 43697403Sobrien insert_iterator<_Container>& operator++(int) { return *this; } 43797403Sobrien}; 43897403Sobrien 43997403Sobrien} // namespace std 44097403Sobrien 44197403Sobrien#endif /* __SGI_STL_INTERNAL_HASH_MAP_H */ 44297403Sobrien 44397403Sobrien// Local Variables: 44497403Sobrien// mode:C++ 44597403Sobrien// End: 446