2001-06-27 19:09:53 +02:00
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// Functions used by iterators -*- C++ -*-
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2010-02-04 19:20:34 +01:00
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// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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2006-10-17 17:17:32 +02:00
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// Free Software Foundation, Inc.
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2001-06-27 19:09:53 +02:00
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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2009-04-09 17:00:19 +02:00
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// Free Software Foundation; either version 3, or (at your option)
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2001-06-27 19:09:53 +02:00
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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2009-04-09 17:00:19 +02:00
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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2001-06-27 19:09:53 +02:00
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2009-04-09 17:00:19 +02:00
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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2001-06-27 19:09:53 +02:00
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2001-04-03 02:26:58 +02:00
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/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1996-1998
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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2010-12-19 10:21:16 +01:00
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/** @file bits/stl_iterator_base_funcs.h
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c_io_stdio.h: Correct grammar in comments.
2001-11-02 Phil Edwards <pme@gcc.gnu.org>
* config/io/c_io_stdio.h: Correct grammar in comments.
* docs/doxygen/Intro.3: Expand "top-level" man page.
* docs/doxygen/doxygroups.cc: New module definitions (comments).
* docs/doxygen/mainpage.doxy: Tweaks.
* docs/doxygen/run_doxygen: Update Doxygen version, massage man pages.
Add @file hooks so that headers are considered to be documented.
* include/bits/basic_ios.h, include/bits/basic_file.h,
include/bits/basic_string.h, include/bits/boost_concept_check.h,
include/bits/char_traits.h, include/bits/codecvt.h,
include/bits/concept_check.h, include/bits/cpp_type_traits.h,
include/bits/fpos.h, include/bits/gslice.h, include/bits/gslice_array.h,
include/bits/indirect_array.h, include/bits/ios_base.h,
include/bits/locale_facets.h, include/bits/localefwd.h,
include/bits/mask_array.h, include/bits/pthread_allocimpl.h,
include/bits/slice.h, include/bits/slice_array.h,
include/bits/std_algorithm.h, include/bits/std_bitset.h,
include/bits/std_complex.h, include/bits/std_deque.h,
include/bits/std_fstream.h, include/bits/std_functional.h,
include/bits/std_iomanip.h, include/bits/std_ios.h,
include/bits/std_iosfwd.h, include/bits/std_iostream.h,
include/bits/std_istream.h, include/bits/std_iterator.h,
include/bits/std_limits.h, include/bits/std_list.h,
include/bits/std_locale.h, include/bits/std_map.h,
include/bits/std_memory.h, include/bits/std_numeric.h,
include/bits/std_ostream.h, include/bits/std_queue.h,
include/bits/std_set.h, include/bits/std_sstream.h,
include/bits/std_stack.h, include/bits/std_streambuf.h,
include/bits/std_string.h, include/bits/std_utility.h,
include/bits/std_valarray.h, include/bits/std_vector.h,
include/bits/stl_algo.h, include/bits/stl_alloc.h,
include/bits/stl_bvector.h, include/bits/stl_construct.h,
include/bits/stl_deque.h, include/bits/stl_heap.h,
include/bits/stl_iterator.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_iterator_base_types.h, include/bits/stl_list.h,
include/bits/stl_map.h, include/bits/stl_multimap.h,
include/bits/stl_multiset.h, include/bits/stl_numeric.h,
include/bits/stl_pair.h, include/bits/stl_pthread_alloc.h,
include/bits/stl_queue.h, include/bits/stl_raw_storage_iter.h,
include/bits/stl_relops.h, include/bits/stl_set.h,
include/bits/stl_stack.h, include/bits/stl_tempbuf.h,
include/bits/stl_threads.h, include/bits/stl_tree.h,
include/bits/stl_uninitialized.h, include/bits/stl_vector.h,
include/bits/stream_iterator.h, include/bits/streambuf_iterator.h,
include/bits/stringfwd.h, include/bits/type_traits.h,
include/bits/valarray_array.h, include/bits/valarray_meta.h:
Add hooks, tweak comments only.
* include/bits/stl_algobase.h (swap, min, iter_swap): Also
document these functions.
* include/bits/stl_function.h: Tweak link comments.
From-SVN: r46717
2001-11-02 18:38:11 +01:00
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* This is an internal header file, included by other library headers.
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2010-12-19 10:21:16 +01:00
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* Do not attempt to use it directly. @headername{iterator}
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2002-02-08 08:34:54 +01:00
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*
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* This file contains all of the general iterator-related utility
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* functions, such as distance() and advance().
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2001-04-03 02:26:58 +02:00
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*/
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2007-06-18 19:22:53 +02:00
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#ifndef _STL_ITERATOR_BASE_FUNCS_H
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#define _STL_ITERATOR_BASE_FUNCS_H 1
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2001-04-03 02:26:58 +02:00
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#pragma GCC system_header
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2010-05-27 19:37:11 +02:00
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2001-04-03 02:26:58 +02:00
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#include <bits/concept_check.h>
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2005-12-19 01:56:05 +01:00
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_GLIBCXX_BEGIN_NAMESPACE(std)
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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template<typename _InputIterator>
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inline typename iterator_traits<_InputIterator>::difference_type
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__distance(_InputIterator __first, _InputIterator __last,
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input_iterator_tag)
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{
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// concept requirements
|
2003-07-05 06:05:45 +02:00
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__glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
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2004-02-08 05:46:42 +01:00
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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typename iterator_traits<_InputIterator>::difference_type __n = 0;
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2004-02-01 18:34:44 +01:00
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while (__first != __last)
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{
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++__first;
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++__n;
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}
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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return __n;
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2001-07-18 19:09:02 +02:00
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}
|
2004-02-08 05:46:42 +01:00
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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template<typename _RandomAccessIterator>
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inline typename iterator_traits<_RandomAccessIterator>::difference_type
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__distance(_RandomAccessIterator __first, _RandomAccessIterator __last,
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random_access_iterator_tag)
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{
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// concept requirements
|
2004-02-01 18:34:44 +01:00
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__glibcxx_function_requires(_RandomAccessIteratorConcept<
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_RandomAccessIterator>)
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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return __last - __first;
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}
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2004-02-08 05:46:42 +01:00
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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/**
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* @brief A generalization of pointer arithmetic.
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* @param first An input iterator.
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* @param last An input iterator.
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* @return The distance between them.
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*
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* Returns @c n such that first + n == last. This requires that @p last
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* must be reachable from @p first. Note that @c n may be negative.
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*
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* For random access iterators, this uses their @c + and @c - operations
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* and are constant time. For other %iterator classes they are linear time.
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*/
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template<typename _InputIterator>
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inline typename iterator_traits<_InputIterator>::difference_type
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distance(_InputIterator __first, _InputIterator __last)
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{
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// concept requirements -- taken care of in __distance
|
2004-02-01 18:34:44 +01:00
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return std::__distance(__first, __last,
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std::__iterator_category(__first));
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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}
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2004-02-08 05:46:42 +01:00
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BUGS: Update from 2.90.8 snapshot.
2003-06-10 Phil Edwards <pme@gcc.gnu.org>
* docs/html/17_intro/BUGS: Update from 2.90.8 snapshot.
* docs/html/17_intro/CHECKLIST: Bring up to date with respect to
correctness of container::iterator typedefs. Fix whitespace.
* docs/html/20_util/howto.html, docs/html/ext/howto.html: Add links
to allocator docs.
* docs/html/documentation.html: Regenerate.
* include/bits/basic_string.h, include/bits/basic_string.tcc,
include/bits/deque.tcc, include/bits/list.tcc, include/bits/stl_algo.h,
include/bits/stl_algobase.h, include/bits/stl_bvector.h,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_uninitialized.h,
include/bits/stl_vector.h, include/bits/vector.tcc,
include/ext/algorithm, include/ext/slist, include/std/std_bitset.h:
Change _Iter names to _Iterator, and __pos to __position.
* include/bits/stl_relops.h, include/bits/stl_numeric.h,
include/bits/stl_multiset.h, include/bits/stl_set.h:
Remove emacs markers.
* include/bits/stl_threads.h (_STL_auto_lock): Add __unused__.
From-SVN: r67736
2003-06-10 23:52:25 +02:00
|
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template<typename _InputIterator, typename _Distance>
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
|
|
inline void
|
BUGS: Update from 2.90.8 snapshot.
2003-06-10 Phil Edwards <pme@gcc.gnu.org>
* docs/html/17_intro/BUGS: Update from 2.90.8 snapshot.
* docs/html/17_intro/CHECKLIST: Bring up to date with respect to
correctness of container::iterator typedefs. Fix whitespace.
* docs/html/20_util/howto.html, docs/html/ext/howto.html: Add links
to allocator docs.
* docs/html/documentation.html: Regenerate.
* include/bits/basic_string.h, include/bits/basic_string.tcc,
include/bits/deque.tcc, include/bits/list.tcc, include/bits/stl_algo.h,
include/bits/stl_algobase.h, include/bits/stl_bvector.h,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_uninitialized.h,
include/bits/stl_vector.h, include/bits/vector.tcc,
include/ext/algorithm, include/ext/slist, include/std/std_bitset.h:
Change _Iter names to _Iterator, and __pos to __position.
* include/bits/stl_relops.h, include/bits/stl_numeric.h,
include/bits/stl_multiset.h, include/bits/stl_set.h:
Remove emacs markers.
* include/bits/stl_threads.h (_STL_auto_lock): Add __unused__.
From-SVN: r67736
2003-06-10 23:52:25 +02:00
|
|
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__advance(_InputIterator& __i, _Distance __n, input_iterator_tag)
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
|
|
{
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|
|
|
// concept requirements
|
2003-07-05 06:05:45 +02:00
|
|
|
__glibcxx_function_requires(_InputIteratorConcept<_InputIterator>)
|
2004-02-01 18:34:44 +01:00
|
|
|
while (__n--)
|
|
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|
++__i;
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
|
|
}
|
2004-02-08 05:46:42 +01:00
|
|
|
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
|
|
template<typename _BidirectionalIterator, typename _Distance>
|
|
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|
inline void
|
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__advance(_BidirectionalIterator& __i, _Distance __n,
|
2006-10-17 17:17:32 +02:00
|
|
|
bidirectional_iterator_tag)
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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{
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// concept requirements
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2004-02-01 18:34:44 +01:00
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__glibcxx_function_requires(_BidirectionalIteratorConcept<
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_BidirectionalIterator>)
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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if (__n > 0)
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2004-02-03 18:59:05 +01:00
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while (__n--)
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++__i;
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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else
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2004-02-03 18:59:05 +01:00
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while (__n++)
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--__i;
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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}
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2004-02-08 05:46:42 +01:00
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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template<typename _RandomAccessIterator, typename _Distance>
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inline void
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__advance(_RandomAccessIterator& __i, _Distance __n,
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random_access_iterator_tag)
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{
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// concept requirements
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2004-02-01 18:34:44 +01:00
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__glibcxx_function_requires(_RandomAccessIteratorConcept<
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_RandomAccessIterator>)
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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__i += __n;
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}
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2004-02-08 05:46:42 +01:00
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deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
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/**
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* @brief A generalization of pointer arithmetic.
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* @param i An input iterator.
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2010-02-04 19:20:34 +01:00
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* @param n The @a delta by which to change @p i.
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
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* @return Nothing.
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*
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* This increments @p i by @p n. For bidirectional and random access
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* iterators, @p n may be negative, in which case @p i is decremented.
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*
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* For random access iterators, this uses their @c + and @c - operations
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* and are constant time. For other %iterator classes they are linear time.
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*/
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template<typename _InputIterator, typename _Distance>
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inline void
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advance(_InputIterator& __i, _Distance __n)
|
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{
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// concept requirements -- taken care of in __advance
|
2006-10-17 17:17:32 +02:00
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typename iterator_traits<_InputIterator>::difference_type __d = __n;
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std::__advance(__i, __d, std::__iterator_category(__i));
|
deque.tcc, [...]: Re-indent contents of namespace std, re-wrap comment lines as necessary.
2002-08-09 Phil Edwards <pme@gcc.gnu.org>
* include/bits/deque.tcc, include/bits/list.tcc,
include/bits/stl_deque.h, include/bits/stl_iterator_base_funcs.h,
include/bits/stl_list.h, include/bits/stl_map.h,
include/bits/stl_multimap.h, include/bits/stl_queue.h,
include/bits/stl_stack.h, include/bits/stl_vector.h,
include/bits/vector.tcc: Re-indent contents of namespace std,
re-wrap comment lines as necessary.
From-SVN: r56165
2002-08-09 18:51:15 +02:00
|
|
|
}
|
2005-12-19 01:56:05 +01:00
|
|
|
|
2008-06-17 23:33:15 +02:00
|
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|
#ifdef __GXX_EXPERIMENTAL_CXX0X__
|
2010-05-27 19:37:11 +02:00
|
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|
2009-10-28 14:07:00 +01:00
|
|
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template<typename _ForwardIterator>
|
2010-09-08 00:30:33 +02:00
|
|
|
inline _ForwardIterator
|
2009-10-28 14:07:00 +01:00
|
|
|
next(_ForwardIterator __x, typename
|
|
|
|
iterator_traits<_ForwardIterator>::difference_type __n = 1)
|
2008-06-17 23:33:15 +02:00
|
|
|
{
|
|
|
|
std::advance(__x, __n);
|
|
|
|
return __x;
|
|
|
|
}
|
|
|
|
|
|
|
|
template<typename _BidirectionalIterator>
|
2010-09-08 00:30:33 +02:00
|
|
|
inline _BidirectionalIterator
|
2009-06-21 02:57:56 +02:00
|
|
|
prev(_BidirectionalIterator __x, typename
|
|
|
|
iterator_traits<_BidirectionalIterator>::difference_type __n = 1)
|
2008-06-17 23:33:15 +02:00
|
|
|
{
|
|
|
|
std::advance(__x, -__n);
|
|
|
|
return __x;
|
|
|
|
}
|
|
|
|
|
2010-05-27 19:37:11 +02:00
|
|
|
#endif // __GXX_EXPERIMENTAL_CXX0X__
|
|
|
|
|
2010-09-08 00:30:33 +02:00
|
|
|
_GLIBCXX_END_NAMESPACE
|
|
|
|
|
2007-06-18 19:22:53 +02:00
|
|
|
#endif /* _STL_ITERATOR_BASE_FUNCS_H */
|