Retro68/gcc/libstdc++-v3/include/debug/map.h

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// Debugging map implementation -*- C++ -*-
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// Copyright (C) 2003-2018 Free Software Foundation, Inc.
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//
// 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/map.h
* This file is a GNU debug extension to the Standard C++ Library.
*/
#ifndef _GLIBCXX_DEBUG_MAP_H
#define _GLIBCXX_DEBUG_MAP_H 1
#include <debug/safe_sequence.h>
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#include <debug/safe_container.h>
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#include <debug/safe_iterator.h>
#include <utility>
namespace std _GLIBCXX_VISIBILITY(default)
{
namespace __debug
{
/// Class std::map with safety/checking/debug instrumentation.
template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
class map
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: public __gnu_debug::_Safe_container<
map<_Key, _Tp, _Compare, _Allocator>, _Allocator,
__gnu_debug::_Safe_node_sequence>,
public _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Allocator>
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{
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typedef _GLIBCXX_STD_C::map<
_Key, _Tp, _Compare, _Allocator> _Base;
typedef __gnu_debug::_Safe_container<
map, _Allocator, __gnu_debug::_Safe_node_sequence> _Safe;
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typedef typename _Base::const_iterator _Base_const_iterator;
typedef typename _Base::iterator _Base_iterator;
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typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal;
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public:
// types:
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typedef _Key key_type;
typedef _Tp mapped_type;
typedef std::pair<const _Key, _Tp> value_type;
typedef _Compare key_compare;
typedef _Allocator allocator_type;
typedef typename _Base::reference reference;
typedef typename _Base::const_reference const_reference;
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typedef __gnu_debug::_Safe_iterator<_Base_iterator, map>
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iterator;
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typedef __gnu_debug::_Safe_iterator<_Base_const_iterator, map>
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const_iterator;
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typedef typename _Base::size_type size_type;
typedef typename _Base::difference_type difference_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;
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// 23.3.1.1 construct/copy/destroy:
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#if __cplusplus < 201103L
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map() : _Base() { }
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map(const map& __x)
: _Base(__x) { }
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~map() { }
#else
map() = default;
map(const map&) = default;
map(map&&) = default;
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map(initializer_list<value_type> __l,
const _Compare& __c = _Compare(),
const allocator_type& __a = allocator_type())
: _Base(__l, __c, __a) { }
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explicit
map(const allocator_type& __a)
: _Base(__a) { }
map(const map& __m, const allocator_type& __a)
: _Base(__m, __a) { }
map(map&& __m, const allocator_type& __a)
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noexcept( noexcept(_Base(std::move(__m._M_base()), __a)) )
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: _Safe(std::move(__m._M_safe()), __a),
_Base(std::move(__m._M_base()), __a) { }
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map(initializer_list<value_type> __l, const allocator_type& __a)
: _Base(__l, __a) { }
template<typename _InputIterator>
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map(_InputIterator __first, _InputIterator __last,
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const allocator_type& __a)
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: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
__last)),
__gnu_debug::__base(__last), __a)
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{ }
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~map() = default;
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#endif
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map(const _Base& __x)
: _Base(__x) { }
explicit map(const _Compare& __comp,
const _Allocator& __a = _Allocator())
: _Base(__comp, __a) { }
template<typename _InputIterator>
map(_InputIterator __first, _InputIterator __last,
const _Compare& __comp = _Compare(),
const _Allocator& __a = _Allocator())
: _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__first,
__last)),
__gnu_debug::__base(__last),
__comp, __a) { }
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#if __cplusplus < 201103L
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map&
operator=(const map& __x)
{
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this->_M_safe() = __x;
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_M_base() = __x;
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return *this;
}
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#else
map&
operator=(const map&) = default;
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map&
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operator=(map&&) = default;
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map&
operator=(initializer_list<value_type> __l)
{
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_M_base() = __l;
this->_M_invalidate_all();
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return *this;
}
#endif
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 133. map missing get_allocator()
using _Base::get_allocator;
// iterators:
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iterator
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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()); }
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#if __cplusplus >= 201103L
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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
// capacity:
using _Base::empty;
using _Base::size;
using _Base::max_size;
// 23.3.1.2 element access:
using _Base::operator[];
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 464. Suggestion for new member functions in standard containers.
using _Base::at;
// modifiers:
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#if __cplusplus >= 201103L
template<typename... _Args>
std::pair<iterator, bool>
emplace(_Args&&... __args)
{
auto __res = _Base::emplace(std::forward<_Args>(__args)...);
return std::pair<iterator, bool>(iterator(__res.first, this),
__res.second);
}
template<typename... _Args>
iterator
emplace_hint(const_iterator __pos, _Args&&... __args)
{
__glibcxx_check_insert(__pos);
return iterator(_Base::emplace_hint(__pos.base(),
std::forward<_Args>(__args)...),
this);
}
#endif
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std::pair<iterator, bool>
insert(const value_type& __x)
{
std::pair<_Base_iterator, bool> __res = _Base::insert(__x);
return std::pair<iterator, bool>(iterator(__res.first, this),
__res.second);
}
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#if __cplusplus >= 201103L
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 2354. Unnecessary copying when inserting into maps with braced-init
std::pair<iterator, bool>
insert(value_type&& __x)
{
auto __res = _Base::insert(std::move(__x));
return { iterator(__res.first, this), __res.second };
}
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
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std::pair<iterator, bool>
insert(_Pair&& __x)
{
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std::pair<_Base_iterator, bool> __res
= _Base::insert(std::forward<_Pair>(__x));
return std::pair<iterator, bool>(iterator(__res.first, this),
__res.second);
}
#endif
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#if __cplusplus >= 201103L
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void
insert(std::initializer_list<value_type> __list)
{ _Base::insert(__list); }
#endif
iterator
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#if __cplusplus >= 201103L
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insert(const_iterator __position, const value_type& __x)
#else
insert(iterator __position, const value_type& __x)
#endif
{
__glibcxx_check_insert(__position);
return iterator(_Base::insert(__position.base(), __x), this);
}
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#if __cplusplus >= 201103L
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 2354. Unnecessary copying when inserting into maps with braced-init
iterator
insert(const_iterator __position, value_type&& __x)
{
__glibcxx_check_insert(__position);
return { _Base::insert(__position.base(), std::move(__x)), this };
}
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
_Pair&&>::value>::type>
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iterator
insert(const_iterator __position, _Pair&& __x)
{
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__glibcxx_check_insert(__position);
return iterator(_Base::insert(__position.base(),
std::forward<_Pair>(__x)), this);
}
#endif
template<typename _InputIterator>
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void
insert(_InputIterator __first, _InputIterator __last)
{
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typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
__glibcxx_check_valid_range2(__first, __last, __dist);
if (__dist.second >= __gnu_debug::__dp_sign)
_Base::insert(__gnu_debug::__unsafe(__first),
__gnu_debug::__unsafe(__last));
else
_Base::insert(__first, __last);
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}
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#if __cplusplus > 201402L
template <typename... _Args>
pair<iterator, bool>
try_emplace(const key_type& __k, _Args&&... __args)
{
auto __res = _Base::try_emplace(__k,
std::forward<_Args>(__args)...);
return { iterator(__res.first, this), __res.second };
}
template <typename... _Args>
pair<iterator, bool>
try_emplace(key_type&& __k, _Args&&... __args)
{
auto __res = _Base::try_emplace(std::move(__k),
std::forward<_Args>(__args)...);
return { iterator(__res.first, this), __res.second };
}
template <typename... _Args>
iterator
try_emplace(const_iterator __hint, const key_type& __k,
_Args&&... __args)
{
__glibcxx_check_insert(__hint);
return iterator(_Base::try_emplace(__hint.base(), __k,
std::forward<_Args>(__args)...),
this);
}
template <typename... _Args>
iterator
try_emplace(const_iterator __hint, key_type&& __k, _Args&&... __args)
{
__glibcxx_check_insert(__hint);
return iterator(_Base::try_emplace(__hint.base(), std::move(__k),
std::forward<_Args>(__args)...),
this);
}
template <typename _Obj>
std::pair<iterator, bool>
insert_or_assign(const key_type& __k, _Obj&& __obj)
{
auto __res = _Base::insert_or_assign(__k,
std::forward<_Obj>(__obj));
return { iterator(__res.first, this), __res.second };
}
template <typename _Obj>
std::pair<iterator, bool>
insert_or_assign(key_type&& __k, _Obj&& __obj)
{
auto __res = _Base::insert_or_assign(std::move(__k),
std::forward<_Obj>(__obj));
return { iterator(__res.first, this), __res.second };
}
template <typename _Obj>
iterator
insert_or_assign(const_iterator __hint,
const key_type& __k, _Obj&& __obj)
{
__glibcxx_check_insert(__hint);
return iterator(_Base::insert_or_assign(__hint.base(), __k,
std::forward<_Obj>(__obj)),
this);
}
template <typename _Obj>
iterator
insert_or_assign(const_iterator __hint, key_type&& __k, _Obj&& __obj)
{
__glibcxx_check_insert(__hint);
return iterator(_Base::insert_or_assign(__hint.base(),
std::move(__k),
std::forward<_Obj>(__obj)),
this);
}
#endif // C++17
#if __cplusplus > 201402L
using node_type = typename _Base::node_type;
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using insert_return_type = _Node_insert_return<iterator, node_type>;
node_type
extract(const_iterator __position)
{
__glibcxx_check_erase(__position);
this->_M_invalidate_if(_Equal(__position.base()));
return _Base::extract(__position.base());
}
node_type
extract(const key_type& __key)
{
const auto __position = find(__key);
if (__position != end())
return extract(__position);
return {};
}
insert_return_type
insert(node_type&& __nh)
{
auto __ret = _Base::insert(std::move(__nh));
iterator __pos = iterator(__ret.position, this);
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return { __pos, __ret.inserted, std::move(__ret.node) };
}
iterator
insert(const_iterator __hint, node_type&& __nh)
{
__glibcxx_check_insert(__hint);
return iterator(_Base::insert(__hint.base(), std::move(__nh)), this);
}
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using _Base::merge;
#endif // C++17
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#if __cplusplus >= 201103L
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iterator
erase(const_iterator __position)
{
__glibcxx_check_erase(__position);
this->_M_invalidate_if(_Equal(__position.base()));
return iterator(_Base::erase(__position.base()), this);
}
iterator
erase(iterator __position)
{ return erase(const_iterator(__position)); }
#else
void
erase(iterator __position)
{
__glibcxx_check_erase(__position);
this->_M_invalidate_if(_Equal(__position.base()));
_Base::erase(__position.base());
}
#endif
size_type
erase(const key_type& __x)
{
_Base_iterator __victim = _Base::find(__x);
if (__victim == _Base::end())
return 0;
else
{
this->_M_invalidate_if(_Equal(__victim));
_Base::erase(__victim);
return 1;
}
}
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#if __cplusplus >= 201103L
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iterator
erase(const_iterator __first, const_iterator __last)
{
// _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, "first")
._M_iterator(__last, "last"));
this->_M_invalidate_if(_Equal(__victim));
}
return iterator(_Base::erase(__first.base(), __last.base()), this);
}
#else
void
erase(iterator __first, iterator __last)
{
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// 151. can't currently clear() empty container
__glibcxx_check_erase_range(__first, __last);
for (_Base_iterator __victim = __first.base();
__victim != __last.base(); ++__victim)
{
_GLIBCXX_DEBUG_VERIFY(__victim != _Base::end(),
_M_message(__gnu_debug::__msg_valid_range)
._M_iterator(__first, "first")
._M_iterator(__last, "last"));
this->_M_invalidate_if(_Equal(__victim));
}
_Base::erase(__first.base(), __last.base());
}
#endif
void
swap(map& __x)
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_GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) )
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{
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_Safe::_M_swap(__x);
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_Base::swap(__x);
}
void
clear() _GLIBCXX_NOEXCEPT
{
this->_M_invalidate_all();
_Base::clear();
}
// observers:
using _Base::key_comp;
using _Base::value_comp;
// 23.3.1.3 map operations:
iterator
find(const key_type& __x)
{ return iterator(_Base::find(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
iterator
find(const _Kt& __x)
{ return { _Base::find(__x), this }; }
#endif
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const_iterator
find(const key_type& __x) const
{ return const_iterator(_Base::find(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
const_iterator
find(const _Kt& __x) const
{ return { _Base::find(__x), this }; }
#endif
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using _Base::count;
iterator
lower_bound(const key_type& __x)
{ return iterator(_Base::lower_bound(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
iterator
lower_bound(const _Kt& __x)
{ return { _Base::lower_bound(__x), this }; }
#endif
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const_iterator
lower_bound(const key_type& __x) const
{ return const_iterator(_Base::lower_bound(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
const_iterator
lower_bound(const _Kt& __x) const
{ return { _Base::lower_bound(__x), this }; }
#endif
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iterator
upper_bound(const key_type& __x)
{ return iterator(_Base::upper_bound(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
iterator
upper_bound(const _Kt& __x)
{ return { _Base::upper_bound(__x), this }; }
#endif
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const_iterator
upper_bound(const key_type& __x) const
{ return const_iterator(_Base::upper_bound(__x), this); }
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
const_iterator
upper_bound(const _Kt& __x) const
{ return { _Base::upper_bound(__x), this }; }
#endif
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std::pair<iterator,iterator>
equal_range(const key_type& __x)
{
std::pair<_Base_iterator, _Base_iterator> __res =
_Base::equal_range(__x);
return std::make_pair(iterator(__res.first, this),
iterator(__res.second, this));
}
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
std::pair<iterator, iterator>
equal_range(const _Kt& __x)
{
auto __res = _Base::equal_range(__x);
return { { __res.first, this }, { __res.second, this } };
}
#endif
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std::pair<const_iterator,const_iterator>
equal_range(const key_type& __x) const
{
std::pair<_Base_const_iterator, _Base_const_iterator> __res =
_Base::equal_range(__x);
return std::make_pair(const_iterator(__res.first, this),
const_iterator(__res.second, this));
}
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#if __cplusplus > 201103L
template<typename _Kt,
typename _Req =
typename __has_is_transparent<_Compare, _Kt>::type>
std::pair<const_iterator, const_iterator>
equal_range(const _Kt& __x) const
{
auto __res = _Base::equal_range(__x);
return { { __res.first, this }, { __res.second, this } };
}
#endif
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_Base&
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_M_base() _GLIBCXX_NOEXCEPT { return *this; }
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const _Base&
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_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
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};
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#if __cpp_deduction_guides >= 201606
template<typename _InputIterator,
typename _Compare = less<__iter_key_t<_InputIterator>>,
typename _Allocator = allocator<__iter_to_alloc_t<_InputIterator>>,
typename = _RequireInputIter<_InputIterator>,
typename = _RequireAllocator<_Allocator>>
map(_InputIterator, _InputIterator,
_Compare = _Compare(), _Allocator = _Allocator())
-> map<__iter_key_t<_InputIterator>, __iter_val_t<_InputIterator>,
_Compare, _Allocator>;
template<typename _Key, typename _Tp, typename _Compare = less<_Key>,
typename _Allocator = allocator<pair<const _Key, _Tp>>,
typename = _RequireAllocator<_Allocator>>
map(initializer_list<pair<_Key, _Tp>>,
_Compare = _Compare(), _Allocator = _Allocator())
-> map<_Key, _Tp, _Compare, _Allocator>;
template <typename _InputIterator, typename _Allocator,
typename = _RequireInputIter<_InputIterator>,
typename = _RequireAllocator<_Allocator>>
map(_InputIterator, _InputIterator, _Allocator)
-> map<__iter_key_t<_InputIterator>, __iter_val_t<_InputIterator>,
less<__iter_key_t<_InputIterator>>, _Allocator>;
template<typename _Key, typename _Tp, typename _Allocator,
typename = _RequireAllocator<_Allocator>>
map(initializer_list<pair<_Key, _Tp>>, _Allocator)
-> map<_Key, _Tp, less<_Key>, _Allocator>;
#endif
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template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator==(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() == __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator!=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() != __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator<(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() < __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator<=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() <= __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator>=(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() >= __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline bool
operator>(const map<_Key, _Tp, _Compare, _Allocator>& __lhs,
const map<_Key, _Tp, _Compare, _Allocator>& __rhs)
{ return __lhs._M_base() > __rhs._M_base(); }
template<typename _Key, typename _Tp,
typename _Compare, typename _Allocator>
inline void
swap(map<_Key, _Tp, _Compare, _Allocator>& __lhs,
map<_Key, _Tp, _Compare, _Allocator>& __rhs)
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_GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs)))
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{ __lhs.swap(__rhs); }
} // namespace __debug
} // namespace std
#endif