Gecko [ www.jdcpatala.org ]

Name	Size	Permission
array	10.17 KB	-rw-r--r--
assertions.h	2.35 KB	-rw-r--r--
bitset	11.62 KB	-rw-r--r--
debug.h	5.66 KB	-rw-r--r--
deque	17.28 KB	-rw-r--r--
formatter.h	16.63 KB	-rw-r--r--
forward_list	26.49 KB	-rw-r--r--
functions.h	15.62 KB	-rw-r--r--
helper_functions.h	7.51 KB	-rw-r--r--
list	24.46 KB	-rw-r--r--
macros.h	19.94 KB	-rw-r--r--
map	1.62 KB	-rw-r--r--
map.h	22.11 KB	-rw-r--r--
multimap.h	19.45 KB	-rw-r--r--
multiset.h	18.4 KB	-rw-r--r--
safe_base.h	9.06 KB	-rw-r--r--
safe_container.h	3.33 KB	-rw-r--r--
safe_iterator.h	28.69 KB	-rw-r--r--
safe_iterator.tcc	6.42 KB	-rw-r--r--
safe_local_iterator.h	13.42 KB	-rw-r--r--
safe_local_iterator.tcc	2.84 KB	-rw-r--r--
safe_sequence.h	4.98 KB	-rw-r--r--
safe_sequence.tcc	4.92 KB	-rw-r--r--
safe_unordered_base.h	6.73 KB	-rw-r--r--
safe_unordered_container.h	3.78 KB	-rw-r--r--
safe_unordered_container.tcc	3.19 KB	-rw-r--r--
set	1.58 KB	-rw-r--r--
set.h	18.41 KB	-rw-r--r--
stl_iterator.h	4.76 KB	-rw-r--r--
string	35.59 KB	-rw-r--r--
unordered_map	40.47 KB	-rw-r--r--
unordered_set	34.66 KB	-rw-r--r--
vector	22.98 KB	-rw-r--r--

Code Editor : list

// Debugging list implementation -*- C++ -*-

// Copyright (C) 2003-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file debug/list
 *  This file is a GNU debug extension to the Standard C++ Library.
 */

#ifndef _GLIBCXX_DEBUG_LIST
#define _GLIBCXX_DEBUG_LIST 1

#pragma GCC system_header

#include <bits/c++config.h>
namespace std _GLIBCXX_VISIBILITY(default) { namespace __debug {
  template<typename _Tp, typename _Allocator> class list;
} } // namespace std::__debug

#include <list>
#include <debug/safe_sequence.h>
#include <debug/safe_container.h>
#include <debug/safe_iterator.h>

namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __debug
{
  /// Class std::list with safety/checking/debug instrumentation.
  template<typename _Tp, typename _Allocator = std::allocator<_Tp> >
    class list
    : public __gnu_debug::_Safe_container<
	list<_Tp, _Allocator>, _Allocator,
	__gnu_debug::_Safe_node_sequence>,
      public _GLIBCXX_STD_C::list<_Tp, _Allocator>
    {
      typedef _GLIBCXX_STD_C::list<_Tp, _Allocator>		_Base;
      typedef __gnu_debug::_Safe_container<
	list, _Allocator, __gnu_debug::_Safe_node_sequence>	_Safe;

typedef typename _Base::iterator		_Base_iterator;
      typedef typename _Base::const_iterator	_Base_const_iterator;
      typedef __gnu_debug::_Equal_to<_Base_const_iterator>	_Equal;
      typedef __gnu_debug::_Not_equal_to<_Base_const_iterator>  _Not_equal;

template<typename _ItT, typename _SeqT, typename _CatT>
	friend class ::__gnu_debug::_Safe_iterator;

public:
      typedef typename _Base::reference			reference;
      typedef typename _Base::const_reference		const_reference;

typedef __gnu_debug::_Safe_iterator<_Base_iterator, list>
							iterator;
      typedef __gnu_debug::_Safe_iterator<_Base_const_iterator, list>
							const_iterator;

typedef typename _Base::size_type			size_type;
      typedef typename _Base::difference_type		difference_type;

typedef _Tp					value_type;
      typedef _Allocator				allocator_type;
      typedef typename _Base::pointer			pointer;
      typedef typename _Base::const_pointer		const_pointer;
      typedef std::reverse_iterator<iterator>		reverse_iterator;
      typedef std::reverse_iterator<const_iterator>	const_reverse_iterator;

// 23.2.2.1 construct/copy/destroy:

#if __cplusplus < 201103L
      list()
      : _Base() { }

list(const list& __x)
      : _Base(__x) { }

~list() { }
#else
      list() = default;
      list(const list&) = default;
      list(list&&) = default;

list(initializer_list<value_type> __l,
	   const allocator_type& __a = allocator_type())
      : _Base(__l, __a) { }

~list() = default;

list(const list& __x, const allocator_type& __a)
      : _Base(__x, __a) { }

list(list&& __x, const allocator_type& __a)
      : _Base(std::move(__x), __a) { }
#endif

explicit
      list(const _Allocator& __a) _GLIBCXX_NOEXCEPT
      : _Base(__a) { }

#if __cplusplus >= 201103L
      explicit
      list(size_type __n, const allocator_type& __a = allocator_type())
      : _Base(__n, __a) { }

list(size_type __n, const _Tp& __value,
	   const _Allocator& __a = _Allocator())
      : _Base(__n, __value, __a) { }
#else
      explicit
      list(size_type __n, const _Tp& __value = _Tp(),
	   const _Allocator& __a = _Allocator())
      : _Base(__n, __value, __a) { }
#endif

#if __cplusplus >= 201103L
      template<class _InputIterator,
	       typename = std::_RequireInputIter<_InputIterator>>
#else
      template<class _InputIterator>
#endif
	list(_InputIterator __first, _InputIterator __last,
	     const _Allocator& __a = _Allocator())
	: _Base(__gnu_debug::__base(
		  __glibcxx_check_valid_constructor_range(__first, __last)),
		__gnu_debug::__base(__last), __a)
	{ }

list(const _Base& __x)
      : _Base(__x) { }

#if __cplusplus < 201103L
      list&
      operator=(const list& __x)
      {
	this->_M_safe() = __x;
	_M_base() = __x;
	return *this;
      }
#else
      list&
      operator=(const list&) = default;

list&
      operator=(list&&) = default;

list&
      operator=(initializer_list<value_type> __l)
      {
	this->_M_invalidate_all();
	_M_base() = __l;
	return *this;
      }

void
      assign(initializer_list<value_type> __l)
      {
	_Base::assign(__l);
	this->_M_invalidate_all();
      }
#endif

#if __cplusplus >= 201103L
      template<class _InputIterator,
	       typename = std::_RequireInputIter<_InputIterator>>
#else
      template<class _InputIterator>
#endif
	void
	assign(_InputIterator __first, _InputIterator __last)
	{
	  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
	  __glibcxx_check_valid_range2(__first, __last, __dist);

if (__dist.second >= __gnu_debug::__dp_sign)
	    _Base::assign(__gnu_debug::__unsafe(__first),
			  __gnu_debug::__unsafe(__last));
	  else
	    _Base::assign(__first, __last);

this->_M_invalidate_all();
	}

void
      assign(size_type __n, const _Tp& __t)
      {
	_Base::assign(__n, __t);
	this->_M_invalidate_all();
      }

using _Base::get_allocator;

// iterators:
      iterator
      begin() _GLIBCXX_NOEXCEPT
      { return iterator(_Base::begin(), this); }

const_iterator
      begin() const _GLIBCXX_NOEXCEPT
      { return const_iterator(_Base::begin(), this); }

iterator
      end() _GLIBCXX_NOEXCEPT
      { return iterator(_Base::end(), this); }

const_iterator
      end() const _GLIBCXX_NOEXCEPT
      { return const_iterator(_Base::end(), this); }

reverse_iterator
      rbegin() _GLIBCXX_NOEXCEPT
      { return reverse_iterator(end()); }

const_reverse_iterator
      rbegin() const _GLIBCXX_NOEXCEPT
      { return const_reverse_iterator(end()); }

reverse_iterator
      rend() _GLIBCXX_NOEXCEPT
      { return reverse_iterator(begin()); }

const_reverse_iterator
      rend() const _GLIBCXX_NOEXCEPT
      { return const_reverse_iterator(begin()); }

#if __cplusplus >= 201103L
      const_iterator
      cbegin() const noexcept
      { return const_iterator(_Base::begin(), this); }

const_iterator
      cend() const noexcept
      { return const_iterator(_Base::end(), this); }

const_reverse_iterator
      crbegin() const noexcept
      { return const_reverse_iterator(end()); }

const_reverse_iterator
      crend() const noexcept
      { return const_reverse_iterator(begin()); }
#endif

// 23.2.2.2 capacity:
      using _Base::empty;
      using _Base::size;
      using _Base::max_size;

#if __cplusplus >= 201103L
      void
      resize(size_type __sz)
      {
	this->_M_detach_singular();

// if __sz < size(), invalidate all iterators in [begin + __sz, end())
	_Base_iterator __victim = _Base::begin();
	_Base_iterator __end = _Base::end();
	for (size_type __i = __sz; __victim != __end && __i > 0; --__i)
	  ++__victim;

for (; __victim != __end; ++__victim)
	  this->_M_invalidate_if(_Equal(__victim));

__try
	  {
	    _Base::resize(__sz);
	  }
	__catch(...)
	  {
	    this->_M_revalidate_singular();
	    __throw_exception_again;
	  }
      }

void
      resize(size_type __sz, const _Tp& __c)
      {
	this->_M_detach_singular();

for (; __victim != __end; ++__victim)
	  this->_M_invalidate_if(_Equal(__victim));

__try
	  {
	    _Base::resize(__sz, __c);
	  }
	__catch(...)
	  {
	    this->_M_revalidate_singular();
	    __throw_exception_again;
	  }
      }
#else
      void
      resize(size_type __sz, _Tp __c = _Tp())
      {
	this->_M_detach_singular();

for (; __victim != __end; ++__victim)
	  this->_M_invalidate_if(_Equal(__victim));

__try
	  {
	    _Base::resize(__sz, __c);
	  }
	__catch(...)
	  {
	    this->_M_revalidate_singular();
	    __throw_exception_again;
	  }
      }
#endif

// element access:
      reference
      front() _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	return _Base::front();
      }

const_reference
      front() const _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	return _Base::front();
      }

reference
      back() _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	return _Base::back();
      }

const_reference
      back() const _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	return _Base::back();
      }

// 23.2.2.3 modifiers:
      using _Base::push_front;

#if __cplusplus >= 201103L
      using _Base::emplace_front;
#endif

void
      pop_front() _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	this->_M_invalidate_if(_Equal(_Base::begin()));
	_Base::pop_front();
      }

using _Base::push_back;

#if __cplusplus >= 201103L
      using _Base::emplace_back;
#endif

void
      pop_back() _GLIBCXX_NOEXCEPT
      {
	__glibcxx_check_nonempty();
	this->_M_invalidate_if(_Equal(--_Base::end()));
	_Base::pop_back();
      }

#if __cplusplus >= 201103L
      template<typename... _Args>
	iterator
	emplace(const_iterator __position, _Args&&... __args)
	{
	  __glibcxx_check_insert(__position);
	  return  { _Base::emplace(__position.base(),
				   std::forward<_Args>(__args)...), this };
	}
#endif

iterator
#if __cplusplus >= 201103L
     insert(const_iterator __position, const _Tp& __x)
#else
     insert(iterator __position, const _Tp& __x)
#endif
     {
       __glibcxx_check_insert(__position);
       return iterator(_Base::insert(__position.base(), __x), this);
     }

#if __cplusplus >= 201103L
      iterator
      insert(const_iterator __position, _Tp&& __x)
      { return emplace(__position, std::move(__x)); }

iterator
      insert(const_iterator __p, initializer_list<value_type> __l)
      {
	__glibcxx_check_insert(__p);
	return { _Base::insert(__p.base(), __l), this };
      }
#endif

#if __cplusplus >= 201103L
      iterator
      insert(const_iterator __position, size_type __n, const _Tp& __x)
      {
	__glibcxx_check_insert(__position);
	return { _Base::insert(__position.base(), __n, __x), this };
      }
#else
      void
      insert(iterator __position, size_type __n, const _Tp& __x)
      {
	__glibcxx_check_insert(__position);
	_Base::insert(__position.base(), __n, __x);
      }
#endif

#if __cplusplus >= 201103L
      template<class _InputIterator,
	       typename = std::_RequireInputIter<_InputIterator>>
	iterator
	insert(const_iterator __position, _InputIterator __first,
	       _InputIterator __last)
	{
	  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
	  __glibcxx_check_insert_range(__position, __first, __last, __dist);
	  if (__dist.second >= __gnu_debug::__dp_sign)
	    return
	      {
		_Base::insert(__position.base(),
			      __gnu_debug::__unsafe(__first),
			      __gnu_debug::__unsafe(__last)),
		this
	      };
	  else
	    return { _Base::insert(__position.base(), __first, __last), this };
	}
#else
      template<class _InputIterator>
	void
	insert(iterator __position, _InputIterator __first,
	       _InputIterator __last)
	{
	  typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
	  __glibcxx_check_insert_range(__position, __first, __last, __dist);

if (__dist.second >= __gnu_debug::__dp_sign)
	    _Base::insert(__position.base(), __gnu_debug::__unsafe(__first),
					     __gnu_debug::__unsafe(__last));
	  else
	    _Base::insert(__position.base(), __first, __last);
	}
#endif

private:
      _Base_iterator
#if __cplusplus >= 201103L
      _M_erase(_Base_const_iterator __position) noexcept
#else
      _M_erase(_Base_iterator __position)
#endif
      {
	this->_M_invalidate_if(_Equal(__position));
	return _Base::erase(__position);
      }

public:
      iterator
#if __cplusplus >= 201103L
      erase(const_iterator __position) noexcept
#else
      erase(iterator __position)
#endif
      {
	__glibcxx_check_erase(__position);
	return iterator(_M_erase(__position.base()), this);
      }

iterator
#if __cplusplus >= 201103L
      erase(const_iterator __first, const_iterator __last) noexcept
#else
      erase(iterator __first, iterator __last)
#endif
      {
	// _GLIBCXX_RESOLVE_LIB_DEFECTS
	// 151. can't currently clear() empty container
	__glibcxx_check_erase_range(__first, __last);
	for (_Base_const_iterator __victim = __first.base();
	     __victim != __last.base(); ++__victim)
	  {
	    _GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),
				  _M_message(__gnu_debug::__msg_valid_range)
				  ._M_iterator(__first, "position")
				  ._M_iterator(__last, "last"));
	    this->_M_invalidate_if(_Equal(__victim));
	  }

return iterator(_Base::erase(__first.base(), __last.base()), this);
      }

void
      swap(list& __x)
      _GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) )
      {
	_Safe::_M_swap(__x);
	_Base::swap(__x);
      }

void
      clear() _GLIBCXX_NOEXCEPT
      {
	_Base::clear();
	this->_M_invalidate_all();
      }

// 23.2.2.4 list operations:
      void
#if __cplusplus >= 201103L
      splice(const_iterator __position, list&& __x) noexcept
#else
      splice(iterator __position, list& __x)
#endif
      {
	_GLIBCXX_DEBUG_VERIFY(std::__addressof(__x) != this,
			      _M_message(__gnu_debug::__msg_self_splice)
			      ._M_sequence(*this, "this"));
	this->_M_transfer_from_if(__x, _Not_equal(__x._M_base().end()));
	_Base::splice(__position.base(), _GLIBCXX_MOVE(__x._M_base()));
      }

#if __cplusplus >= 201103L
      void
      splice(const_iterator __position, list& __x) noexcept
      { splice(__position, std::move(__x)); }
#endif

void
#if __cplusplus >= 201103L
      splice(const_iterator __position, list&& __x, const_iterator __i) noexcept
#else
      splice(iterator __position, list& __x, iterator __i)
#endif
      {
	__glibcxx_check_insert(__position);

// We used to perform the splice_alloc check:  not anymore, redundant
	// after implementing the relevant bits of N1599.

_GLIBCXX_DEBUG_VERIFY(__i._M_dereferenceable(),
			      _M_message(__gnu_debug::__msg_splice_bad)
			      ._M_iterator(__i, "__i"));
	_GLIBCXX_DEBUG_VERIFY(__i._M_attached_to(std::__addressof(__x)),
			      _M_message(__gnu_debug::__msg_splice_other)
			      ._M_iterator(__i, "__i")._M_sequence(__x, "__x"));

// _GLIBCXX_RESOLVE_LIB_DEFECTS
	// 250. splicing invalidates iterators
	this->_M_transfer_from_if(__x, _Equal(__i.base()));
	_Base::splice(__position.base(), _GLIBCXX_MOVE(__x._M_base()),
		      __i.base());
      }

#if __cplusplus >= 201103L
      void
      splice(const_iterator __position, list& __x, const_iterator __i) noexcept
      { splice(__position, std::move(__x), __i); }
#endif

void
#if __cplusplus >= 201103L
      splice(const_iterator __position, list&& __x, const_iterator __first,
	     const_iterator __last) noexcept
#else
      splice(iterator __position, list& __x, iterator __first,
	     iterator __last)
#endif
      {
	__glibcxx_check_insert(__position);
	__glibcxx_check_valid_range(__first, __last);
	_GLIBCXX_DEBUG_VERIFY(__first._M_attached_to(std::__addressof(__x)),
			      _M_message(__gnu_debug::__msg_splice_other)
			      ._M_sequence(__x, "x")
			      ._M_iterator(__first, "first"));

// We used to perform the splice_alloc check:  not anymore, redundant
	// after implementing the relevant bits of N1599.

for (_Base_const_iterator __tmp = __first.base();
	     __tmp != __last.base(); ++__tmp)
	  {
	    _GLIBCXX_DEBUG_VERIFY(__tmp != _Base::end(),
				  _M_message(__gnu_debug::__msg_valid_range)
				  ._M_iterator(__first, "first")
				  ._M_iterator(__last, "last"));
	    _GLIBCXX_DEBUG_VERIFY(std::__addressof(__x) != this
				  || __tmp != __position.base(),
				_M_message(__gnu_debug::__msg_splice_overlap)
				  ._M_iterator(__tmp, "position")
				  ._M_iterator(__first, "first")
				  ._M_iterator(__last, "last"));

// _GLIBCXX_RESOLVE_LIB_DEFECTS
	    // 250. splicing invalidates iterators
	    this->_M_transfer_from_if(__x, _Equal(__tmp));
	  }

_Base::splice(__position.base(), _GLIBCXX_MOVE(__x._M_base()),
		      __first.base(), __last.base());
      }

#if __cplusplus >= 201103L
      void
      splice(const_iterator __position, list& __x,
	     const_iterator __first, const_iterator __last) noexcept
      { splice(__position, std::move(__x), __first, __last); }
#endif

private:
#if __cplusplus > 201703L
      typedef size_type __remove_return_type;
# define _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG \
      __attribute__((__abi_tag__("__cxx20")))
# define _GLIBCXX20_ONLY(__expr) __expr
#else
      typedef void __remove_return_type;
# define _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG
# define _GLIBCXX20_ONLY(__expr)
#endif

public:
      _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG
      __remove_return_type
      remove(const _Tp& __value)
      {
	if (!this->_M_iterators && !this->_M_const_iterators)
	  return _Base::remove(__value);

size_type __removed __attribute__((__unused__)) = 0;
	_Base_iterator __first = _Base::begin();
	_Base_iterator __last = _Base::end();
	_Base_iterator __extra = __last;
	while (__first != __last)
	  {
	    if (*__first == __value)
	      // _GLIBCXX_RESOLVE_LIB_DEFECTS
	      // 526. Is it undefined if a function in the standard changes
	      // in parameters?
	      if (std::__addressof(*__first) != std::__addressof(__value))
		{
		  __first = _M_erase(__first);
		  _GLIBCXX20_ONLY( __removed++ );
		}
	      else
		{
		  __extra = __first;
		  ++__first;
		}
	    else
	      ++__first;
	  }

if (__extra != __last)
	  {
	    _M_erase(__extra);
	    _GLIBCXX20_ONLY( __removed++ );
	  }
	return _GLIBCXX20_ONLY( __removed );
      }

template<class _Predicate>
	__remove_return_type
	remove_if(_Predicate __pred)
	{
	  if (!this->_M_iterators && !this->_M_const_iterators)
	    return _Base::remove_if(__pred);

size_type __removed __attribute__((__unused__)) = 0;
	  for (_Base_iterator __x = _Base::begin(); __x != _Base::end(); )
	    if (__pred(*__x))
	      {
		__x = _M_erase(__x);
		_GLIBCXX20_ONLY( __removed++ );
	      }
	    else
	      ++__x;

return _GLIBCXX20_ONLY( __removed );
	}

_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG
      __remove_return_type
      unique()
      {
	if (!this->_M_iterators && !this->_M_const_iterators)
	  return _Base::unique();

if (empty())
	  return _GLIBCXX20_ONLY(0);

size_type __removed __attribute__((__unused__)) = 0;
	_Base_iterator __first = _Base::begin();
	_Base_iterator __last = _Base::end();
	_Base_iterator __next = __first;
	while (++__next != __last)
	  if (*__first == *__next)
	    {
	      _M_erase(__next);
	      __next = __first;
	      _GLIBCXX20_ONLY( __removed++ );
	    }
	  else
	    __first = __next;

return _GLIBCXX20_ONLY( __removed );
      }

template<class _BinaryPredicate>
	__remove_return_type
	unique(_BinaryPredicate __binary_pred)
	{
	  if (!this->_M_iterators && !this->_M_const_iterators)
	    return _Base::unique(__binary_pred);

if (empty())
	    return _GLIBCXX20_ONLY(0);

size_type __removed __attribute__((__unused__)) = 0;
	  _Base_iterator __first = _Base::begin();
	  _Base_iterator __last = _Base::end();
	  _Base_iterator __next = __first;;
	  while (++__next != __last)
	    if (__binary_pred(*__first, *__next))
	      {
		_M_erase(__next);
		__next = __first;
		_GLIBCXX20_ONLY( __removed++ );
	      }
	    else
	      __first = __next;

return _GLIBCXX20_ONLY( __removed );
	}

#undef _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG
#undef _GLIBCXX20_ONLY

void
#if __cplusplus >= 201103L
      merge(list&& __x)
#else
      merge(list& __x)
#endif
      {
	// _GLIBCXX_RESOLVE_LIB_DEFECTS
	// 300. list::merge() specification incomplete
	if (this != std::__addressof(__x))
	  {
	    __glibcxx_check_sorted(_Base::begin(), _Base::end());
	    __glibcxx_check_sorted(__x.begin().base(), __x.end().base());
	    this->_M_transfer_from_if(__x, _Not_equal(__x._M_base().end()));
	    _Base::merge(_GLIBCXX_MOVE(__x._M_base()));
	  }
      }

#if __cplusplus >= 201103L
      void
      merge(list& __x)
      { merge(std::move(__x)); }
#endif

template<class _Compare>
	void
#if __cplusplus >= 201103L
	merge(list&& __x, _Compare __comp)
#else
	merge(list& __x, _Compare __comp)
#endif
	{
	  // _GLIBCXX_RESOLVE_LIB_DEFECTS
	  // 300. list::merge() specification incomplete
	  if (this != std::__addressof(__x))
	    {
	      __glibcxx_check_sorted_pred(_Base::begin(), _Base::end(),
					  __comp);
	      __glibcxx_check_sorted_pred(__x.begin().base(), __x.end().base(),
					  __comp);
	      this->_M_transfer_from_if(__x, _Not_equal(__x._M_base().end()));
	      _Base::merge(_GLIBCXX_MOVE(__x._M_base()), __comp);
	    }
	}

#if __cplusplus >= 201103L
      template<typename _Compare>
	void
	merge(list& __x, _Compare __comp)
	{ merge(std::move(__x), __comp); }
#endif

void
      sort() { _Base::sort(); }

template<typename _StrictWeakOrdering>
	void
	sort(_StrictWeakOrdering __pred) { _Base::sort(__pred); }

using _Base::reverse;

_Base&
      _M_base() _GLIBCXX_NOEXCEPT	{ return *this; }

const _Base&
      _M_base() const _GLIBCXX_NOEXCEPT	{ return *this; }
    };

#if __cpp_deduction_guides >= 201606
  template<typename _InputIterator, typename _ValT
	     = typename iterator_traits<_InputIterator>::value_type,
	   typename _Allocator = allocator<_ValT>,
	   typename = _RequireInputIter<_InputIterator>,
	   typename = _RequireAllocator<_Allocator>>
    list(_InputIterator, _InputIterator, _Allocator = _Allocator())
      -> list<_ValT, _Allocator>;
#endif

template<typename _Tp, typename _Alloc>
    inline bool
    operator==(const list<_Tp, _Alloc>& __lhs,
	       const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() == __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline bool
    operator!=(const list<_Tp, _Alloc>& __lhs,
	       const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() != __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline bool
    operator<(const list<_Tp, _Alloc>& __lhs,
	      const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() < __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline bool
    operator<=(const list<_Tp, _Alloc>& __lhs,
	       const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() <= __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline bool
    operator>=(const list<_Tp, _Alloc>& __lhs,
	       const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() >= __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline bool
    operator>(const list<_Tp, _Alloc>& __lhs,
	      const list<_Tp, _Alloc>& __rhs)
    { return __lhs._M_base() > __rhs._M_base(); }

template<typename _Tp, typename _Alloc>
    inline void
    swap(list<_Tp, _Alloc>& __lhs, list<_Tp, _Alloc>& __rhs)
    _GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs)))
    { __lhs.swap(__rhs); }

} // namespace __debug
} // namespace std

namespace __gnu_debug
{
#ifndef _GLIBCXX_USE_CXX11_ABI
  // If not using C++11 list::size() is not in O(1) so we do not use it.
  template<typename _Tp, typename _Alloc>
    struct _Sequence_traits<std::__debug::list<_Tp, _Alloc> >
    {
      typedef typename std::__debug::list<_Tp, _Alloc>::iterator _It;

static typename _Distance_traits<_It>::__type
      _S_size(const std::__debug::list<_Tp, _Alloc>& __seq)
      {
	return __seq.empty()
	  ? std::make_pair(0, __dp_exact) : std::make_pair(1, __dp_equality);
      }
    };
#endif

#ifndef _GLIBCXX_DEBUG_PEDANTIC
  template<class _Tp, class _Alloc>
    struct _Insert_range_from_self_is_safe<std::__debug::list<_Tp, _Alloc> >
    { enum { __value = 1 }; };
#endif
}

#endif

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