1986 lines
64 KiB
C++
1986 lines
64 KiB
C++
// Vector implementation -*- C++ -*-
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// Copyright (C) 2001-2021 Free Software Foundation, Inc.
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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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// Free Software Foundation; either version 3, or (at your option)
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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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// 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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// 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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/*
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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
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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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/** @file bits/stl_vector.h
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* This is an internal header file, included by other library headers.
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* Do not attempt to use it directly. @headername{vector}
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*/
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#ifndef _STL_VECTOR_H
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#define _STL_VECTOR_H 1
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#include <bits/stl_iterator_base_funcs.h>
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#include <bits/functexcept.h>
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#include <bits/concept_check.h>
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#if __cplusplus >= 201103L
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#include <initializer_list>
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#endif
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#if __cplusplus > 201703L
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# include <compare>
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#endif
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#include <debug/assertions.h>
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#if _GLIBCXX_SANITIZE_STD_ALLOCATOR && _GLIBCXX_SANITIZE_VECTOR
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extern "C" void
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__sanitizer_annotate_contiguous_container(const void*, const void*,
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const void*, const void*);
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#endif
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
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/// See bits/stl_deque.h's _Deque_base for an explanation.
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template<typename _Tp, typename _Alloc>
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struct _Vector_base
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{
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typedef typename __gnu_cxx::__alloc_traits<_Alloc>::template
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rebind<_Tp>::other _Tp_alloc_type;
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typedef typename __gnu_cxx::__alloc_traits<_Tp_alloc_type>::pointer
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pointer;
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struct _Vector_impl_data
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{
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pointer _M_start;
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pointer _M_finish;
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pointer _M_end_of_storage;
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_Vector_impl_data() _GLIBCXX_NOEXCEPT
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: _M_start(), _M_finish(), _M_end_of_storage()
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{ }
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#if __cplusplus >= 201103L
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_Vector_impl_data(_Vector_impl_data&& __x) noexcept
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: _M_start(__x._M_start), _M_finish(__x._M_finish),
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_M_end_of_storage(__x._M_end_of_storage)
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{ __x._M_start = __x._M_finish = __x._M_end_of_storage = pointer(); }
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#endif
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void
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_M_copy_data(_Vector_impl_data const& __x) _GLIBCXX_NOEXCEPT
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{
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_M_start = __x._M_start;
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_M_finish = __x._M_finish;
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_M_end_of_storage = __x._M_end_of_storage;
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}
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void
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_M_swap_data(_Vector_impl_data& __x) _GLIBCXX_NOEXCEPT
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{
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// Do not use std::swap(_M_start, __x._M_start), etc as it loses
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// information used by TBAA.
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_Vector_impl_data __tmp;
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__tmp._M_copy_data(*this);
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_M_copy_data(__x);
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__x._M_copy_data(__tmp);
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}
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};
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struct _Vector_impl
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: public _Tp_alloc_type, public _Vector_impl_data
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{
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_Vector_impl() _GLIBCXX_NOEXCEPT_IF(
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is_nothrow_default_constructible<_Tp_alloc_type>::value)
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: _Tp_alloc_type()
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{ }
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_Vector_impl(_Tp_alloc_type const& __a) _GLIBCXX_NOEXCEPT
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: _Tp_alloc_type(__a)
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{ }
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#if __cplusplus >= 201103L
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// Not defaulted, to enforce noexcept(true) even when
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// !is_nothrow_move_constructible<_Tp_alloc_type>.
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_Vector_impl(_Vector_impl&& __x) noexcept
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: _Tp_alloc_type(std::move(__x)), _Vector_impl_data(std::move(__x))
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{ }
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_Vector_impl(_Tp_alloc_type&& __a) noexcept
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: _Tp_alloc_type(std::move(__a))
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{ }
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_Vector_impl(_Tp_alloc_type&& __a, _Vector_impl&& __rv) noexcept
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: _Tp_alloc_type(std::move(__a)), _Vector_impl_data(std::move(__rv))
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{ }
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#endif
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#if _GLIBCXX_SANITIZE_STD_ALLOCATOR && _GLIBCXX_SANITIZE_VECTOR
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template<typename = _Tp_alloc_type>
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struct _Asan
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{
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typedef typename __gnu_cxx::__alloc_traits<_Tp_alloc_type>
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::size_type size_type;
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static void _S_shrink(_Vector_impl&, size_type) { }
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static void _S_on_dealloc(_Vector_impl&) { }
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typedef _Vector_impl& _Reinit;
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struct _Grow
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{
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_Grow(_Vector_impl&, size_type) { }
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void _M_grew(size_type) { }
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};
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};
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// Enable ASan annotations for memory obtained from std::allocator.
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template<typename _Up>
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struct _Asan<allocator<_Up> >
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{
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typedef typename __gnu_cxx::__alloc_traits<_Tp_alloc_type>
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::size_type size_type;
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// Adjust ASan annotation for [_M_start, _M_end_of_storage) to
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// mark end of valid region as __curr instead of __prev.
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static void
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_S_adjust(_Vector_impl& __impl, pointer __prev, pointer __curr)
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{
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__sanitizer_annotate_contiguous_container(__impl._M_start,
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__impl._M_end_of_storage, __prev, __curr);
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}
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static void
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_S_grow(_Vector_impl& __impl, size_type __n)
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{ _S_adjust(__impl, __impl._M_finish, __impl._M_finish + __n); }
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static void
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_S_shrink(_Vector_impl& __impl, size_type __n)
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{ _S_adjust(__impl, __impl._M_finish + __n, __impl._M_finish); }
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static void
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_S_on_dealloc(_Vector_impl& __impl)
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{
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if (__impl._M_start)
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_S_adjust(__impl, __impl._M_finish, __impl._M_end_of_storage);
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}
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// Used on reallocation to tell ASan unused capacity is invalid.
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struct _Reinit
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{
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explicit _Reinit(_Vector_impl& __impl) : _M_impl(__impl)
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{
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// Mark unused capacity as valid again before deallocating it.
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_S_on_dealloc(_M_impl);
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}
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~_Reinit()
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{
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// Mark unused capacity as invalid after reallocation.
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if (_M_impl._M_start)
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_S_adjust(_M_impl, _M_impl._M_end_of_storage,
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_M_impl._M_finish);
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}
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_Vector_impl& _M_impl;
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#if __cplusplus >= 201103L
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_Reinit(const _Reinit&) = delete;
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_Reinit& operator=(const _Reinit&) = delete;
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#endif
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};
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// Tell ASan when unused capacity is initialized to be valid.
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struct _Grow
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{
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_Grow(_Vector_impl& __impl, size_type __n)
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: _M_impl(__impl), _M_n(__n)
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{ _S_grow(_M_impl, __n); }
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~_Grow() { if (_M_n) _S_shrink(_M_impl, _M_n); }
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void _M_grew(size_type __n) { _M_n -= __n; }
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#if __cplusplus >= 201103L
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_Grow(const _Grow&) = delete;
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_Grow& operator=(const _Grow&) = delete;
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#endif
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private:
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_Vector_impl& _M_impl;
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size_type _M_n;
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};
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};
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#define _GLIBCXX_ASAN_ANNOTATE_REINIT \
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typename _Base::_Vector_impl::template _Asan<>::_Reinit const \
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__attribute__((__unused__)) __reinit_guard(this->_M_impl)
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#define _GLIBCXX_ASAN_ANNOTATE_GROW(n) \
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typename _Base::_Vector_impl::template _Asan<>::_Grow \
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__attribute__((__unused__)) __grow_guard(this->_M_impl, (n))
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#define _GLIBCXX_ASAN_ANNOTATE_GREW(n) __grow_guard._M_grew(n)
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#define _GLIBCXX_ASAN_ANNOTATE_SHRINK(n) \
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_Base::_Vector_impl::template _Asan<>::_S_shrink(this->_M_impl, n)
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#define _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC \
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_Base::_Vector_impl::template _Asan<>::_S_on_dealloc(this->_M_impl)
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#else // ! (_GLIBCXX_SANITIZE_STD_ALLOCATOR && _GLIBCXX_SANITIZE_VECTOR)
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#define _GLIBCXX_ASAN_ANNOTATE_REINIT
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#define _GLIBCXX_ASAN_ANNOTATE_GROW(n)
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#define _GLIBCXX_ASAN_ANNOTATE_GREW(n)
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#define _GLIBCXX_ASAN_ANNOTATE_SHRINK(n)
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#define _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC
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#endif // _GLIBCXX_SANITIZE_STD_ALLOCATOR && _GLIBCXX_SANITIZE_VECTOR
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};
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public:
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typedef _Alloc allocator_type;
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_Tp_alloc_type&
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_M_get_Tp_allocator() _GLIBCXX_NOEXCEPT
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{ return this->_M_impl; }
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const _Tp_alloc_type&
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_M_get_Tp_allocator() const _GLIBCXX_NOEXCEPT
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{ return this->_M_impl; }
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allocator_type
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get_allocator() const _GLIBCXX_NOEXCEPT
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{ return allocator_type(_M_get_Tp_allocator()); }
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#if __cplusplus >= 201103L
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_Vector_base() = default;
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#else
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_Vector_base() { }
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#endif
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_Vector_base(const allocator_type& __a) _GLIBCXX_NOEXCEPT
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: _M_impl(__a) { }
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// Kept for ABI compatibility.
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#if !_GLIBCXX_INLINE_VERSION
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_Vector_base(size_t __n)
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: _M_impl()
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{ _M_create_storage(__n); }
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#endif
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_Vector_base(size_t __n, const allocator_type& __a)
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: _M_impl(__a)
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{ _M_create_storage(__n); }
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#if __cplusplus >= 201103L
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_Vector_base(_Vector_base&&) = default;
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// Kept for ABI compatibility.
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# if !_GLIBCXX_INLINE_VERSION
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_Vector_base(_Tp_alloc_type&& __a) noexcept
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: _M_impl(std::move(__a)) { }
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_Vector_base(_Vector_base&& __x, const allocator_type& __a)
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: _M_impl(__a)
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{
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if (__x.get_allocator() == __a)
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this->_M_impl._M_swap_data(__x._M_impl);
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else
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{
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size_t __n = __x._M_impl._M_finish - __x._M_impl._M_start;
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_M_create_storage(__n);
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}
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}
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# endif
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_Vector_base(const allocator_type& __a, _Vector_base&& __x)
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: _M_impl(_Tp_alloc_type(__a), std::move(__x._M_impl))
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{ }
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#endif
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~_Vector_base() _GLIBCXX_NOEXCEPT
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{
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_M_deallocate(_M_impl._M_start,
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_M_impl._M_end_of_storage - _M_impl._M_start);
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}
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public:
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_Vector_impl _M_impl;
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pointer
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_M_allocate(size_t __n)
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{
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typedef __gnu_cxx::__alloc_traits<_Tp_alloc_type> _Tr;
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return __n != 0 ? _Tr::allocate(_M_impl, __n) : pointer();
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}
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void
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_M_deallocate(pointer __p, size_t __n)
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{
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typedef __gnu_cxx::__alloc_traits<_Tp_alloc_type> _Tr;
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if (__p)
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_Tr::deallocate(_M_impl, __p, __n);
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}
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protected:
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void
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_M_create_storage(size_t __n)
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{
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this->_M_impl._M_start = this->_M_allocate(__n);
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this->_M_impl._M_finish = this->_M_impl._M_start;
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this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
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}
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};
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/**
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* @brief A standard container which offers fixed time access to
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* individual elements in any order.
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*
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* @ingroup sequences
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*
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* @tparam _Tp Type of element.
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* @tparam _Alloc Allocator type, defaults to allocator<_Tp>.
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*
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* Meets the requirements of a <a href="tables.html#65">container</a>, a
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* <a href="tables.html#66">reversible container</a>, and a
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* <a href="tables.html#67">sequence</a>, including the
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* <a href="tables.html#68">optional sequence requirements</a> with the
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* %exception of @c push_front and @c pop_front.
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*
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* In some terminology a %vector can be described as a dynamic
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* C-style array, it offers fast and efficient access to individual
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* elements in any order and saves the user from worrying about
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* memory and size allocation. Subscripting ( @c [] ) access is
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* also provided as with C-style arrays.
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*/
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template<typename _Tp, typename _Alloc = std::allocator<_Tp> >
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class vector : protected _Vector_base<_Tp, _Alloc>
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{
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#ifdef _GLIBCXX_CONCEPT_CHECKS
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// Concept requirements.
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typedef typename _Alloc::value_type _Alloc_value_type;
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# if __cplusplus < 201103L
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__glibcxx_class_requires(_Tp, _SGIAssignableConcept)
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# endif
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__glibcxx_class_requires2(_Tp, _Alloc_value_type, _SameTypeConcept)
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#endif
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#if __cplusplus >= 201103L
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static_assert(is_same<typename remove_cv<_Tp>::type, _Tp>::value,
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"std::vector must have a non-const, non-volatile value_type");
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# if __cplusplus > 201703L || defined __STRICT_ANSI__
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static_assert(is_same<typename _Alloc::value_type, _Tp>::value,
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"std::vector must have the same value_type as its allocator");
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# endif
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#endif
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typedef _Vector_base<_Tp, _Alloc> _Base;
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typedef typename _Base::_Tp_alloc_type _Tp_alloc_type;
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typedef __gnu_cxx::__alloc_traits<_Tp_alloc_type> _Alloc_traits;
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public:
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typedef _Tp value_type;
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typedef typename _Base::pointer pointer;
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typedef typename _Alloc_traits::const_pointer const_pointer;
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typedef typename _Alloc_traits::reference reference;
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typedef typename _Alloc_traits::const_reference const_reference;
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typedef __gnu_cxx::__normal_iterator<pointer, vector> iterator;
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typedef __gnu_cxx::__normal_iterator<const_pointer, vector>
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const_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef size_t size_type;
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typedef ptrdiff_t difference_type;
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typedef _Alloc allocator_type;
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private:
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#if __cplusplus >= 201103L
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static constexpr bool
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_S_nothrow_relocate(true_type)
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{
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return noexcept(std::__relocate_a(std::declval<pointer>(),
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std::declval<pointer>(),
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std::declval<pointer>(),
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std::declval<_Tp_alloc_type&>()));
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}
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static constexpr bool
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_S_nothrow_relocate(false_type)
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{ return false; }
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static constexpr bool
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_S_use_relocate()
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{
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// Instantiating std::__relocate_a might cause an error outside the
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// immediate context (in __relocate_object_a's noexcept-specifier),
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// so only do it if we know the type can be move-inserted into *this.
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return _S_nothrow_relocate(__is_move_insertable<_Tp_alloc_type>{});
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}
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static pointer
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_S_do_relocate(pointer __first, pointer __last, pointer __result,
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_Tp_alloc_type& __alloc, true_type) noexcept
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{
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return std::__relocate_a(__first, __last, __result, __alloc);
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}
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static pointer
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_S_do_relocate(pointer, pointer, pointer __result,
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_Tp_alloc_type&, false_type) noexcept
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{ return __result; }
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static pointer
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_S_relocate(pointer __first, pointer __last, pointer __result,
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_Tp_alloc_type& __alloc) noexcept
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{
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using __do_it = __bool_constant<_S_use_relocate()>;
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return _S_do_relocate(__first, __last, __result, __alloc, __do_it{});
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}
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#endif // C++11
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protected:
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using _Base::_M_allocate;
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using _Base::_M_deallocate;
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using _Base::_M_impl;
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using _Base::_M_get_Tp_allocator;
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public:
|
|
// [23.2.4.1] construct/copy/destroy
|
|
// (assign() and get_allocator() are also listed in this section)
|
|
|
|
/**
|
|
* @brief Creates a %vector with no elements.
|
|
*/
|
|
#if __cplusplus >= 201103L
|
|
vector() = default;
|
|
#else
|
|
vector() { }
|
|
#endif
|
|
|
|
/**
|
|
* @brief Creates a %vector with no elements.
|
|
* @param __a An allocator object.
|
|
*/
|
|
explicit
|
|
vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
|
|
: _Base(__a) { }
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Creates a %vector with default constructed elements.
|
|
* @param __n The number of elements to initially create.
|
|
* @param __a An allocator.
|
|
*
|
|
* This constructor fills the %vector with @a __n default
|
|
* constructed elements.
|
|
*/
|
|
explicit
|
|
vector(size_type __n, const allocator_type& __a = allocator_type())
|
|
: _Base(_S_check_init_len(__n, __a), __a)
|
|
{ _M_default_initialize(__n); }
|
|
|
|
/**
|
|
* @brief Creates a %vector with copies of an exemplar element.
|
|
* @param __n The number of elements to initially create.
|
|
* @param __value An element to copy.
|
|
* @param __a An allocator.
|
|
*
|
|
* This constructor fills the %vector with @a __n copies of @a __value.
|
|
*/
|
|
vector(size_type __n, const value_type& __value,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(_S_check_init_len(__n, __a), __a)
|
|
{ _M_fill_initialize(__n, __value); }
|
|
#else
|
|
/**
|
|
* @brief Creates a %vector with copies of an exemplar element.
|
|
* @param __n The number of elements to initially create.
|
|
* @param __value An element to copy.
|
|
* @param __a An allocator.
|
|
*
|
|
* This constructor fills the %vector with @a __n copies of @a __value.
|
|
*/
|
|
explicit
|
|
vector(size_type __n, const value_type& __value = value_type(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(_S_check_init_len(__n, __a), __a)
|
|
{ _M_fill_initialize(__n, __value); }
|
|
#endif
|
|
|
|
/**
|
|
* @brief %Vector copy constructor.
|
|
* @param __x A %vector of identical element and allocator types.
|
|
*
|
|
* All the elements of @a __x are copied, but any unused capacity in
|
|
* @a __x will not be copied
|
|
* (i.e. capacity() == size() in the new %vector).
|
|
*
|
|
* The newly-created %vector uses a copy of the allocator object used
|
|
* by @a __x (unless the allocator traits dictate a different object).
|
|
*/
|
|
vector(const vector& __x)
|
|
: _Base(__x.size(),
|
|
_Alloc_traits::_S_select_on_copy(__x._M_get_Tp_allocator()))
|
|
{
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_copy_a(__x.begin(), __x.end(),
|
|
this->_M_impl._M_start,
|
|
_M_get_Tp_allocator());
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief %Vector move constructor.
|
|
*
|
|
* The newly-created %vector contains the exact contents of the
|
|
* moved instance.
|
|
* The contents of the moved instance are a valid, but unspecified
|
|
* %vector.
|
|
*/
|
|
vector(vector&&) noexcept = default;
|
|
|
|
/// Copy constructor with alternative allocator
|
|
vector(const vector& __x, const allocator_type& __a)
|
|
: _Base(__x.size(), __a)
|
|
{
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_copy_a(__x.begin(), __x.end(),
|
|
this->_M_impl._M_start,
|
|
_M_get_Tp_allocator());
|
|
}
|
|
|
|
private:
|
|
vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
|
|
: _Base(__m, std::move(__rv))
|
|
{ }
|
|
|
|
vector(vector&& __rv, const allocator_type& __m, false_type)
|
|
: _Base(__m)
|
|
{
|
|
if (__rv.get_allocator() == __m)
|
|
this->_M_impl._M_swap_data(__rv._M_impl);
|
|
else if (!__rv.empty())
|
|
{
|
|
this->_M_create_storage(__rv.size());
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_move_a(__rv.begin(), __rv.end(),
|
|
this->_M_impl._M_start,
|
|
_M_get_Tp_allocator());
|
|
__rv.clear();
|
|
}
|
|
}
|
|
|
|
public:
|
|
/// Move constructor with alternative allocator
|
|
vector(vector&& __rv, const allocator_type& __m)
|
|
noexcept( noexcept(
|
|
vector(std::declval<vector&&>(), std::declval<const allocator_type&>(),
|
|
std::declval<typename _Alloc_traits::is_always_equal>())) )
|
|
: vector(std::move(__rv), __m, typename _Alloc_traits::is_always_equal{})
|
|
{ }
|
|
|
|
/**
|
|
* @brief Builds a %vector from an initializer list.
|
|
* @param __l An initializer_list.
|
|
* @param __a An allocator.
|
|
*
|
|
* Create a %vector consisting of copies of the elements in the
|
|
* initializer_list @a __l.
|
|
*
|
|
* This will call the element type's copy constructor N times
|
|
* (where N is @a __l.size()) and do no memory reallocation.
|
|
*/
|
|
vector(initializer_list<value_type> __l,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
_M_range_initialize(__l.begin(), __l.end(),
|
|
random_access_iterator_tag());
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @brief Builds a %vector from a range.
|
|
* @param __first An input iterator.
|
|
* @param __last An input iterator.
|
|
* @param __a An allocator.
|
|
*
|
|
* Create a %vector consisting of copies of the elements from
|
|
* [first,last).
|
|
*
|
|
* If the iterators are forward, bidirectional, or
|
|
* random-access, then this will call the elements' copy
|
|
* constructor N times (where N is distance(first,last)) and do
|
|
* no memory reallocation. But if only input iterators are
|
|
* used, then this will do at most 2N calls to the copy
|
|
* constructor, and logN memory reallocations.
|
|
*/
|
|
#if __cplusplus >= 201103L
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
vector(_InputIterator __first, _InputIterator __last,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
_M_range_initialize(__first, __last,
|
|
std::__iterator_category(__first));
|
|
}
|
|
#else
|
|
template<typename _InputIterator>
|
|
vector(_InputIterator __first, _InputIterator __last,
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__a)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_initialize_dispatch(__first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* The dtor only erases the elements, and note that if the
|
|
* elements themselves are pointers, the pointed-to memory is
|
|
* not touched in any way. Managing the pointer is the user's
|
|
* responsibility.
|
|
*/
|
|
~vector() _GLIBCXX_NOEXCEPT
|
|
{
|
|
std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
|
|
_M_get_Tp_allocator());
|
|
_GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC;
|
|
}
|
|
|
|
/**
|
|
* @brief %Vector assignment operator.
|
|
* @param __x A %vector of identical element and allocator types.
|
|
*
|
|
* All the elements of @a __x are copied, but any unused capacity in
|
|
* @a __x will not be copied.
|
|
*
|
|
* Whether the allocator is copied depends on the allocator traits.
|
|
*/
|
|
vector&
|
|
operator=(const vector& __x);
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief %Vector move assignment operator.
|
|
* @param __x A %vector of identical element and allocator types.
|
|
*
|
|
* The contents of @a __x are moved into this %vector (without copying,
|
|
* if the allocators permit it).
|
|
* Afterwards @a __x is a valid, but unspecified %vector.
|
|
*
|
|
* Whether the allocator is moved depends on the allocator traits.
|
|
*/
|
|
vector&
|
|
operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
|
|
{
|
|
constexpr bool __move_storage =
|
|
_Alloc_traits::_S_propagate_on_move_assign()
|
|
|| _Alloc_traits::_S_always_equal();
|
|
_M_move_assign(std::move(__x), __bool_constant<__move_storage>());
|
|
return *this;
|
|
}
|
|
|
|
/**
|
|
* @brief %Vector list assignment operator.
|
|
* @param __l An initializer_list.
|
|
*
|
|
* This function fills a %vector with copies of the elements in the
|
|
* initializer list @a __l.
|
|
*
|
|
* Note that the assignment completely changes the %vector and
|
|
* that the resulting %vector's size is the same as the number
|
|
* of elements assigned.
|
|
*/
|
|
vector&
|
|
operator=(initializer_list<value_type> __l)
|
|
{
|
|
this->_M_assign_aux(__l.begin(), __l.end(),
|
|
random_access_iterator_tag());
|
|
return *this;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @brief Assigns a given value to a %vector.
|
|
* @param __n Number of elements to be assigned.
|
|
* @param __val Value to be assigned.
|
|
*
|
|
* This function fills a %vector with @a __n copies of the given
|
|
* value. Note that the assignment completely changes the
|
|
* %vector and that the resulting %vector's size is the same as
|
|
* the number of elements assigned.
|
|
*/
|
|
void
|
|
assign(size_type __n, const value_type& __val)
|
|
{ _M_fill_assign(__n, __val); }
|
|
|
|
/**
|
|
* @brief Assigns a range to a %vector.
|
|
* @param __first An input iterator.
|
|
* @param __last An input iterator.
|
|
*
|
|
* This function fills a %vector with copies of the elements in the
|
|
* range [__first,__last).
|
|
*
|
|
* Note that the assignment completely changes the %vector and
|
|
* that the resulting %vector's size is the same as the number
|
|
* of elements assigned.
|
|
*/
|
|
#if __cplusplus >= 201103L
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
void
|
|
assign(_InputIterator __first, _InputIterator __last)
|
|
{ _M_assign_dispatch(__first, __last, __false_type()); }
|
|
#else
|
|
template<typename _InputIterator>
|
|
void
|
|
assign(_InputIterator __first, _InputIterator __last)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_assign_dispatch(__first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Assigns an initializer list to a %vector.
|
|
* @param __l An initializer_list.
|
|
*
|
|
* This function fills a %vector with copies of the elements in the
|
|
* initializer list @a __l.
|
|
*
|
|
* Note that the assignment completely changes the %vector and
|
|
* that the resulting %vector's size is the same as the number
|
|
* of elements assigned.
|
|
*/
|
|
void
|
|
assign(initializer_list<value_type> __l)
|
|
{
|
|
this->_M_assign_aux(__l.begin(), __l.end(),
|
|
random_access_iterator_tag());
|
|
}
|
|
#endif
|
|
|
|
/// Get a copy of the memory allocation object.
|
|
using _Base::get_allocator;
|
|
|
|
// iterators
|
|
/**
|
|
* Returns a read/write iterator that points to the first
|
|
* element in the %vector. Iteration is done in ordinary
|
|
* element order.
|
|
*/
|
|
iterator
|
|
begin() _GLIBCXX_NOEXCEPT
|
|
{ return iterator(this->_M_impl._M_start); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) iterator that points to the
|
|
* first element in the %vector. Iteration is done in ordinary
|
|
* element order.
|
|
*/
|
|
const_iterator
|
|
begin() const _GLIBCXX_NOEXCEPT
|
|
{ return const_iterator(this->_M_impl._M_start); }
|
|
|
|
/**
|
|
* Returns a read/write iterator that points one past the last
|
|
* element in the %vector. Iteration is done in ordinary
|
|
* element order.
|
|
*/
|
|
iterator
|
|
end() _GLIBCXX_NOEXCEPT
|
|
{ return iterator(this->_M_impl._M_finish); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) iterator that points one past
|
|
* the last element in the %vector. Iteration is done in
|
|
* ordinary element order.
|
|
*/
|
|
const_iterator
|
|
end() const _GLIBCXX_NOEXCEPT
|
|
{ return const_iterator(this->_M_impl._M_finish); }
|
|
|
|
/**
|
|
* Returns a read/write reverse iterator that points to the
|
|
* last element in the %vector. Iteration is done in reverse
|
|
* element order.
|
|
*/
|
|
reverse_iterator
|
|
rbegin() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(end()); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) reverse iterator that points
|
|
* to the last element in the %vector. Iteration is done in
|
|
* reverse element order.
|
|
*/
|
|
const_reverse_iterator
|
|
rbegin() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
/**
|
|
* Returns a read/write reverse iterator that points to one
|
|
* before the first element in the %vector. Iteration is done
|
|
* in reverse element order.
|
|
*/
|
|
reverse_iterator
|
|
rend() _GLIBCXX_NOEXCEPT
|
|
{ return reverse_iterator(begin()); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) reverse iterator that points
|
|
* to one before the first element in the %vector. Iteration
|
|
* is done in reverse element order.
|
|
*/
|
|
const_reverse_iterator
|
|
rend() const _GLIBCXX_NOEXCEPT
|
|
{ return const_reverse_iterator(begin()); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* Returns a read-only (constant) iterator that points to the
|
|
* first element in the %vector. Iteration is done in ordinary
|
|
* element order.
|
|
*/
|
|
const_iterator
|
|
cbegin() const noexcept
|
|
{ return const_iterator(this->_M_impl._M_start); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) iterator that points one past
|
|
* the last element in the %vector. Iteration is done in
|
|
* ordinary element order.
|
|
*/
|
|
const_iterator
|
|
cend() const noexcept
|
|
{ return const_iterator(this->_M_impl._M_finish); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) reverse iterator that points
|
|
* to the last element in the %vector. Iteration is done in
|
|
* reverse element order.
|
|
*/
|
|
const_reverse_iterator
|
|
crbegin() const noexcept
|
|
{ return const_reverse_iterator(end()); }
|
|
|
|
/**
|
|
* Returns a read-only (constant) reverse iterator that points
|
|
* to one before the first element in the %vector. Iteration
|
|
* is done in reverse element order.
|
|
*/
|
|
const_reverse_iterator
|
|
crend() const noexcept
|
|
{ return const_reverse_iterator(begin()); }
|
|
#endif
|
|
|
|
// [23.2.4.2] capacity
|
|
/** Returns the number of elements in the %vector. */
|
|
size_type
|
|
size() const _GLIBCXX_NOEXCEPT
|
|
{ return size_type(this->_M_impl._M_finish - this->_M_impl._M_start); }
|
|
|
|
/** Returns the size() of the largest possible %vector. */
|
|
size_type
|
|
max_size() const _GLIBCXX_NOEXCEPT
|
|
{ return _S_max_size(_M_get_Tp_allocator()); }
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Resizes the %vector to the specified number of elements.
|
|
* @param __new_size Number of elements the %vector should contain.
|
|
*
|
|
* This function will %resize the %vector to the specified
|
|
* number of elements. If the number is smaller than the
|
|
* %vector's current size the %vector is truncated, otherwise
|
|
* default constructed elements are appended.
|
|
*/
|
|
void
|
|
resize(size_type __new_size)
|
|
{
|
|
if (__new_size > size())
|
|
_M_default_append(__new_size - size());
|
|
else if (__new_size < size())
|
|
_M_erase_at_end(this->_M_impl._M_start + __new_size);
|
|
}
|
|
|
|
/**
|
|
* @brief Resizes the %vector to the specified number of elements.
|
|
* @param __new_size Number of elements the %vector should contain.
|
|
* @param __x Data with which new elements should be populated.
|
|
*
|
|
* This function will %resize the %vector to the specified
|
|
* number of elements. If the number is smaller than the
|
|
* %vector's current size the %vector is truncated, otherwise
|
|
* the %vector is extended and new elements are populated with
|
|
* given data.
|
|
*/
|
|
void
|
|
resize(size_type __new_size, const value_type& __x)
|
|
{
|
|
if (__new_size > size())
|
|
_M_fill_insert(end(), __new_size - size(), __x);
|
|
else if (__new_size < size())
|
|
_M_erase_at_end(this->_M_impl._M_start + __new_size);
|
|
}
|
|
#else
|
|
/**
|
|
* @brief Resizes the %vector to the specified number of elements.
|
|
* @param __new_size Number of elements the %vector should contain.
|
|
* @param __x Data with which new elements should be populated.
|
|
*
|
|
* This function will %resize the %vector to the specified
|
|
* number of elements. If the number is smaller than the
|
|
* %vector's current size the %vector is truncated, otherwise
|
|
* the %vector is extended and new elements are populated with
|
|
* given data.
|
|
*/
|
|
void
|
|
resize(size_type __new_size, value_type __x = value_type())
|
|
{
|
|
if (__new_size > size())
|
|
_M_fill_insert(end(), __new_size - size(), __x);
|
|
else if (__new_size < size())
|
|
_M_erase_at_end(this->_M_impl._M_start + __new_size);
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
/** A non-binding request to reduce capacity() to size(). */
|
|
void
|
|
shrink_to_fit()
|
|
{ _M_shrink_to_fit(); }
|
|
#endif
|
|
|
|
/**
|
|
* Returns the total number of elements that the %vector can
|
|
* hold before needing to allocate more memory.
|
|
*/
|
|
size_type
|
|
capacity() const _GLIBCXX_NOEXCEPT
|
|
{ return size_type(this->_M_impl._M_end_of_storage
|
|
- this->_M_impl._M_start); }
|
|
|
|
/**
|
|
* Returns true if the %vector is empty. (Thus begin() would
|
|
* equal end().)
|
|
*/
|
|
_GLIBCXX_NODISCARD bool
|
|
empty() const _GLIBCXX_NOEXCEPT
|
|
{ return begin() == end(); }
|
|
|
|
/**
|
|
* @brief Attempt to preallocate enough memory for specified number of
|
|
* elements.
|
|
* @param __n Number of elements required.
|
|
* @throw std::length_error If @a n exceeds @c max_size().
|
|
*
|
|
* This function attempts to reserve enough memory for the
|
|
* %vector to hold the specified number of elements. If the
|
|
* number requested is more than max_size(), length_error is
|
|
* thrown.
|
|
*
|
|
* The advantage of this function is that if optimal code is a
|
|
* necessity and the user can determine the number of elements
|
|
* that will be required, the user can reserve the memory in
|
|
* %advance, and thus prevent a possible reallocation of memory
|
|
* and copying of %vector data.
|
|
*/
|
|
void
|
|
reserve(size_type __n);
|
|
|
|
// element access
|
|
/**
|
|
* @brief Subscript access to the data contained in the %vector.
|
|
* @param __n The index of the element for which data should be
|
|
* accessed.
|
|
* @return Read/write reference to data.
|
|
*
|
|
* This operator allows for easy, array-style, data access.
|
|
* Note that data access with this operator is unchecked and
|
|
* out_of_range lookups are not defined. (For checked lookups
|
|
* see at().)
|
|
*/
|
|
reference
|
|
operator[](size_type __n) _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_subscript(__n);
|
|
return *(this->_M_impl._M_start + __n);
|
|
}
|
|
|
|
/**
|
|
* @brief Subscript access to the data contained in the %vector.
|
|
* @param __n The index of the element for which data should be
|
|
* accessed.
|
|
* @return Read-only (constant) reference to data.
|
|
*
|
|
* This operator allows for easy, array-style, data access.
|
|
* Note that data access with this operator is unchecked and
|
|
* out_of_range lookups are not defined. (For checked lookups
|
|
* see at().)
|
|
*/
|
|
const_reference
|
|
operator[](size_type __n) const _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_subscript(__n);
|
|
return *(this->_M_impl._M_start + __n);
|
|
}
|
|
|
|
protected:
|
|
/// Safety check used only from at().
|
|
void
|
|
_M_range_check(size_type __n) const
|
|
{
|
|
if (__n >= this->size())
|
|
__throw_out_of_range_fmt(__N("vector::_M_range_check: __n "
|
|
"(which is %zu) >= this->size() "
|
|
"(which is %zu)"),
|
|
__n, this->size());
|
|
}
|
|
|
|
public:
|
|
/**
|
|
* @brief Provides access to the data contained in the %vector.
|
|
* @param __n The index of the element for which data should be
|
|
* accessed.
|
|
* @return Read/write reference to data.
|
|
* @throw std::out_of_range If @a __n is an invalid index.
|
|
*
|
|
* This function provides for safer data access. The parameter
|
|
* is first checked that it is in the range of the vector. The
|
|
* function throws out_of_range if the check fails.
|
|
*/
|
|
reference
|
|
at(size_type __n)
|
|
{
|
|
_M_range_check(__n);
|
|
return (*this)[__n];
|
|
}
|
|
|
|
/**
|
|
* @brief Provides access to the data contained in the %vector.
|
|
* @param __n The index of the element for which data should be
|
|
* accessed.
|
|
* @return Read-only (constant) reference to data.
|
|
* @throw std::out_of_range If @a __n is an invalid index.
|
|
*
|
|
* This function provides for safer data access. The parameter
|
|
* is first checked that it is in the range of the vector. The
|
|
* function throws out_of_range if the check fails.
|
|
*/
|
|
const_reference
|
|
at(size_type __n) const
|
|
{
|
|
_M_range_check(__n);
|
|
return (*this)[__n];
|
|
}
|
|
|
|
/**
|
|
* Returns a read/write reference to the data at the first
|
|
* element of the %vector.
|
|
*/
|
|
reference
|
|
front() _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_nonempty();
|
|
return *begin();
|
|
}
|
|
|
|
/**
|
|
* Returns a read-only (constant) reference to the data at the first
|
|
* element of the %vector.
|
|
*/
|
|
const_reference
|
|
front() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_nonempty();
|
|
return *begin();
|
|
}
|
|
|
|
/**
|
|
* Returns a read/write reference to the data at the last
|
|
* element of the %vector.
|
|
*/
|
|
reference
|
|
back() _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_nonempty();
|
|
return *(end() - 1);
|
|
}
|
|
|
|
/**
|
|
* Returns a read-only (constant) reference to the data at the
|
|
* last element of the %vector.
|
|
*/
|
|
const_reference
|
|
back() const _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_nonempty();
|
|
return *(end() - 1);
|
|
}
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// DR 464. Suggestion for new member functions in standard containers.
|
|
// data access
|
|
/**
|
|
* Returns a pointer such that [data(), data() + size()) is a valid
|
|
* range. For a non-empty %vector, data() == &front().
|
|
*/
|
|
_Tp*
|
|
data() _GLIBCXX_NOEXCEPT
|
|
{ return _M_data_ptr(this->_M_impl._M_start); }
|
|
|
|
const _Tp*
|
|
data() const _GLIBCXX_NOEXCEPT
|
|
{ return _M_data_ptr(this->_M_impl._M_start); }
|
|
|
|
// [23.2.4.3] modifiers
|
|
/**
|
|
* @brief Add data to the end of the %vector.
|
|
* @param __x Data to be added.
|
|
*
|
|
* This is a typical stack operation. The function creates an
|
|
* element at the end of the %vector and assigns the given data
|
|
* to it. Due to the nature of a %vector this operation can be
|
|
* done in constant time if the %vector has preallocated space
|
|
* available.
|
|
*/
|
|
void
|
|
push_back(const value_type& __x)
|
|
{
|
|
if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
|
|
{
|
|
_GLIBCXX_ASAN_ANNOTATE_GROW(1);
|
|
_Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
|
|
__x);
|
|
++this->_M_impl._M_finish;
|
|
_GLIBCXX_ASAN_ANNOTATE_GREW(1);
|
|
}
|
|
else
|
|
_M_realloc_insert(end(), __x);
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
void
|
|
push_back(value_type&& __x)
|
|
{ emplace_back(std::move(__x)); }
|
|
|
|
template<typename... _Args>
|
|
#if __cplusplus > 201402L
|
|
reference
|
|
#else
|
|
void
|
|
#endif
|
|
emplace_back(_Args&&... __args);
|
|
#endif
|
|
|
|
/**
|
|
* @brief Removes last element.
|
|
*
|
|
* This is a typical stack operation. It shrinks the %vector by one.
|
|
*
|
|
* Note that no data is returned, and if the last element's
|
|
* data is needed, it should be retrieved before pop_back() is
|
|
* called.
|
|
*/
|
|
void
|
|
pop_back() _GLIBCXX_NOEXCEPT
|
|
{
|
|
__glibcxx_requires_nonempty();
|
|
--this->_M_impl._M_finish;
|
|
_Alloc_traits::destroy(this->_M_impl, this->_M_impl._M_finish);
|
|
_GLIBCXX_ASAN_ANNOTATE_SHRINK(1);
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Inserts an object in %vector before specified iterator.
|
|
* @param __position A const_iterator into the %vector.
|
|
* @param __args Arguments.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert an object of type T constructed
|
|
* with T(std::forward<Args>(args)...) before the specified location.
|
|
* Note that this kind of operation could be expensive for a %vector
|
|
* and if it is frequently used the user should consider using
|
|
* std::list.
|
|
*/
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace(const_iterator __position, _Args&&... __args)
|
|
{ return _M_emplace_aux(__position, std::forward<_Args>(__args)...); }
|
|
|
|
/**
|
|
* @brief Inserts given value into %vector before specified iterator.
|
|
* @param __position A const_iterator into the %vector.
|
|
* @param __x Data to be inserted.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert a copy of the given value before
|
|
* the specified location. Note that this kind of operation
|
|
* could be expensive for a %vector and if it is frequently
|
|
* used the user should consider using std::list.
|
|
*/
|
|
iterator
|
|
insert(const_iterator __position, const value_type& __x);
|
|
#else
|
|
/**
|
|
* @brief Inserts given value into %vector before specified iterator.
|
|
* @param __position An iterator into the %vector.
|
|
* @param __x Data to be inserted.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert a copy of the given value before
|
|
* the specified location. Note that this kind of operation
|
|
* could be expensive for a %vector and if it is frequently
|
|
* used the user should consider using std::list.
|
|
*/
|
|
iterator
|
|
insert(iterator __position, const value_type& __x);
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Inserts given rvalue into %vector before specified iterator.
|
|
* @param __position A const_iterator into the %vector.
|
|
* @param __x Data to be inserted.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert a copy of the given rvalue before
|
|
* the specified location. Note that this kind of operation
|
|
* could be expensive for a %vector and if it is frequently
|
|
* used the user should consider using std::list.
|
|
*/
|
|
iterator
|
|
insert(const_iterator __position, value_type&& __x)
|
|
{ return _M_insert_rval(__position, std::move(__x)); }
|
|
|
|
/**
|
|
* @brief Inserts an initializer_list into the %vector.
|
|
* @param __position An iterator into the %vector.
|
|
* @param __l An initializer_list.
|
|
*
|
|
* This function will insert copies of the data in the
|
|
* initializer_list @a l into the %vector before the location
|
|
* specified by @a position.
|
|
*
|
|
* Note that this kind of operation could be expensive for a
|
|
* %vector and if it is frequently used the user should
|
|
* consider using std::list.
|
|
*/
|
|
iterator
|
|
insert(const_iterator __position, initializer_list<value_type> __l)
|
|
{
|
|
auto __offset = __position - cbegin();
|
|
_M_range_insert(begin() + __offset, __l.begin(), __l.end(),
|
|
std::random_access_iterator_tag());
|
|
return begin() + __offset;
|
|
}
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Inserts a number of copies of given data into the %vector.
|
|
* @param __position A const_iterator into the %vector.
|
|
* @param __n Number of elements to be inserted.
|
|
* @param __x Data to be inserted.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert a specified number of copies of
|
|
* the given data before the location specified by @a position.
|
|
*
|
|
* Note that this kind of operation could be expensive for a
|
|
* %vector and if it is frequently used the user should
|
|
* consider using std::list.
|
|
*/
|
|
iterator
|
|
insert(const_iterator __position, size_type __n, const value_type& __x)
|
|
{
|
|
difference_type __offset = __position - cbegin();
|
|
_M_fill_insert(begin() + __offset, __n, __x);
|
|
return begin() + __offset;
|
|
}
|
|
#else
|
|
/**
|
|
* @brief Inserts a number of copies of given data into the %vector.
|
|
* @param __position An iterator into the %vector.
|
|
* @param __n Number of elements to be inserted.
|
|
* @param __x Data to be inserted.
|
|
*
|
|
* This function will insert a specified number of copies of
|
|
* the given data before the location specified by @a position.
|
|
*
|
|
* Note that this kind of operation could be expensive for a
|
|
* %vector and if it is frequently used the user should
|
|
* consider using std::list.
|
|
*/
|
|
void
|
|
insert(iterator __position, size_type __n, const value_type& __x)
|
|
{ _M_fill_insert(__position, __n, __x); }
|
|
#endif
|
|
|
|
#if __cplusplus >= 201103L
|
|
/**
|
|
* @brief Inserts a range into the %vector.
|
|
* @param __position A const_iterator into the %vector.
|
|
* @param __first An input iterator.
|
|
* @param __last An input iterator.
|
|
* @return An iterator that points to the inserted data.
|
|
*
|
|
* This function will insert copies of the data in the range
|
|
* [__first,__last) into the %vector before the location specified
|
|
* by @a pos.
|
|
*
|
|
* Note that this kind of operation could be expensive for a
|
|
* %vector and if it is frequently used the user should
|
|
* consider using std::list.
|
|
*/
|
|
template<typename _InputIterator,
|
|
typename = std::_RequireInputIter<_InputIterator>>
|
|
iterator
|
|
insert(const_iterator __position, _InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
difference_type __offset = __position - cbegin();
|
|
_M_insert_dispatch(begin() + __offset,
|
|
__first, __last, __false_type());
|
|
return begin() + __offset;
|
|
}
|
|
#else
|
|
/**
|
|
* @brief Inserts a range into the %vector.
|
|
* @param __position An iterator into the %vector.
|
|
* @param __first An input iterator.
|
|
* @param __last An input iterator.
|
|
*
|
|
* This function will insert copies of the data in the range
|
|
* [__first,__last) into the %vector before the location specified
|
|
* by @a pos.
|
|
*
|
|
* Note that this kind of operation could be expensive for a
|
|
* %vector and if it is frequently used the user should
|
|
* consider using std::list.
|
|
*/
|
|
template<typename _InputIterator>
|
|
void
|
|
insert(iterator __position, _InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
// Check whether it's an integral type. If so, it's not an iterator.
|
|
typedef typename std::__is_integer<_InputIterator>::__type _Integral;
|
|
_M_insert_dispatch(__position, __first, __last, _Integral());
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @brief Remove element at given position.
|
|
* @param __position Iterator pointing to element to be erased.
|
|
* @return An iterator pointing to the next element (or end()).
|
|
*
|
|
* This function will erase the element at the given position and thus
|
|
* shorten the %vector by one.
|
|
*
|
|
* Note This operation could be expensive and if it is
|
|
* frequently used the user should consider using std::list.
|
|
* The user is also cautioned that this function only erases
|
|
* the element, and that if the element is itself a pointer,
|
|
* the pointed-to memory is not touched in any way. Managing
|
|
* the pointer is the user's responsibility.
|
|
*/
|
|
iterator
|
|
#if __cplusplus >= 201103L
|
|
erase(const_iterator __position)
|
|
{ return _M_erase(begin() + (__position - cbegin())); }
|
|
#else
|
|
erase(iterator __position)
|
|
{ return _M_erase(__position); }
|
|
#endif
|
|
|
|
/**
|
|
* @brief Remove a range of elements.
|
|
* @param __first Iterator pointing to the first element to be erased.
|
|
* @param __last Iterator pointing to one past the last element to be
|
|
* erased.
|
|
* @return An iterator pointing to the element pointed to by @a __last
|
|
* prior to erasing (or end()).
|
|
*
|
|
* This function will erase the elements in the range
|
|
* [__first,__last) and shorten the %vector accordingly.
|
|
*
|
|
* Note This operation could be expensive and if it is
|
|
* frequently used the user should consider using std::list.
|
|
* The user is also cautioned that this function only erases
|
|
* the elements, and that if the elements themselves are
|
|
* pointers, the pointed-to memory is not touched in any way.
|
|
* Managing the pointer is the user's responsibility.
|
|
*/
|
|
iterator
|
|
#if __cplusplus >= 201103L
|
|
erase(const_iterator __first, const_iterator __last)
|
|
{
|
|
const auto __beg = begin();
|
|
const auto __cbeg = cbegin();
|
|
return _M_erase(__beg + (__first - __cbeg), __beg + (__last - __cbeg));
|
|
}
|
|
#else
|
|
erase(iterator __first, iterator __last)
|
|
{ return _M_erase(__first, __last); }
|
|
#endif
|
|
|
|
/**
|
|
* @brief Swaps data with another %vector.
|
|
* @param __x A %vector of the same element and allocator types.
|
|
*
|
|
* This exchanges the elements between two vectors in constant time.
|
|
* (Three pointers, so it should be quite fast.)
|
|
* Note that the global std::swap() function is specialized such that
|
|
* std::swap(v1,v2) will feed to this function.
|
|
*
|
|
* Whether the allocators are swapped depends on the allocator traits.
|
|
*/
|
|
void
|
|
swap(vector& __x) _GLIBCXX_NOEXCEPT
|
|
{
|
|
#if __cplusplus >= 201103L
|
|
__glibcxx_assert(_Alloc_traits::propagate_on_container_swap::value
|
|
|| _M_get_Tp_allocator() == __x._M_get_Tp_allocator());
|
|
#endif
|
|
this->_M_impl._M_swap_data(__x._M_impl);
|
|
_Alloc_traits::_S_on_swap(_M_get_Tp_allocator(),
|
|
__x._M_get_Tp_allocator());
|
|
}
|
|
|
|
/**
|
|
* Erases all the elements. Note that this function only erases the
|
|
* elements, and that if the elements themselves are pointers, the
|
|
* pointed-to memory is not touched in any way. Managing the pointer is
|
|
* the user's responsibility.
|
|
*/
|
|
void
|
|
clear() _GLIBCXX_NOEXCEPT
|
|
{ _M_erase_at_end(this->_M_impl._M_start); }
|
|
|
|
protected:
|
|
/**
|
|
* Memory expansion handler. Uses the member allocation function to
|
|
* obtain @a n bytes of memory, and then copies [first,last) into it.
|
|
*/
|
|
template<typename _ForwardIterator>
|
|
pointer
|
|
_M_allocate_and_copy(size_type __n,
|
|
_ForwardIterator __first, _ForwardIterator __last)
|
|
{
|
|
pointer __result = this->_M_allocate(__n);
|
|
__try
|
|
{
|
|
std::__uninitialized_copy_a(__first, __last, __result,
|
|
_M_get_Tp_allocator());
|
|
return __result;
|
|
}
|
|
__catch(...)
|
|
{
|
|
_M_deallocate(__result, __n);
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
|
|
// Internal constructor functions follow.
|
|
|
|
// Called by the range constructor to implement [23.1.1]/9
|
|
|
|
#if __cplusplus < 201103L
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_initialize_dispatch(_Integer __n, _Integer __value, __true_type)
|
|
{
|
|
this->_M_impl._M_start = _M_allocate(_S_check_init_len(
|
|
static_cast<size_type>(__n), _M_get_Tp_allocator()));
|
|
this->_M_impl._M_end_of_storage =
|
|
this->_M_impl._M_start + static_cast<size_type>(__n);
|
|
_M_fill_initialize(static_cast<size_type>(__n), __value);
|
|
}
|
|
|
|
// Called by the range constructor to implement [23.1.1]/9
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_initialize_dispatch(_InputIterator __first, _InputIterator __last,
|
|
__false_type)
|
|
{
|
|
_M_range_initialize(__first, __last,
|
|
std::__iterator_category(__first));
|
|
}
|
|
#endif
|
|
|
|
// Called by the second initialize_dispatch above
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_range_initialize(_InputIterator __first, _InputIterator __last,
|
|
std::input_iterator_tag)
|
|
{
|
|
__try {
|
|
for (; __first != __last; ++__first)
|
|
#if __cplusplus >= 201103L
|
|
emplace_back(*__first);
|
|
#else
|
|
push_back(*__first);
|
|
#endif
|
|
} __catch(...) {
|
|
clear();
|
|
__throw_exception_again;
|
|
}
|
|
}
|
|
|
|
// Called by the second initialize_dispatch above
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_range_initialize(_ForwardIterator __first, _ForwardIterator __last,
|
|
std::forward_iterator_tag)
|
|
{
|
|
const size_type __n = std::distance(__first, __last);
|
|
this->_M_impl._M_start
|
|
= this->_M_allocate(_S_check_init_len(__n, _M_get_Tp_allocator()));
|
|
this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_copy_a(__first, __last,
|
|
this->_M_impl._M_start,
|
|
_M_get_Tp_allocator());
|
|
}
|
|
|
|
// Called by the first initialize_dispatch above and by the
|
|
// vector(n,value,a) constructor.
|
|
void
|
|
_M_fill_initialize(size_type __n, const value_type& __value)
|
|
{
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_fill_n_a(this->_M_impl._M_start, __n, __value,
|
|
_M_get_Tp_allocator());
|
|
}
|
|
|
|
#if __cplusplus >= 201103L
|
|
// Called by the vector(n) constructor.
|
|
void
|
|
_M_default_initialize(size_type __n)
|
|
{
|
|
this->_M_impl._M_finish =
|
|
std::__uninitialized_default_n_a(this->_M_impl._M_start, __n,
|
|
_M_get_Tp_allocator());
|
|
}
|
|
#endif
|
|
|
|
// Internal assign functions follow. The *_aux functions do the actual
|
|
// assignment work for the range versions.
|
|
|
|
// Called by the range assign to implement [23.1.1]/9
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_assign_dispatch(_Integer __n, _Integer __val, __true_type)
|
|
{ _M_fill_assign(__n, __val); }
|
|
|
|
// Called by the range assign to implement [23.1.1]/9
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_assign_dispatch(_InputIterator __first, _InputIterator __last,
|
|
__false_type)
|
|
{ _M_assign_aux(__first, __last, std::__iterator_category(__first)); }
|
|
|
|
// Called by the second assign_dispatch above
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_assign_aux(_InputIterator __first, _InputIterator __last,
|
|
std::input_iterator_tag);
|
|
|
|
// Called by the second assign_dispatch above
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
|
|
std::forward_iterator_tag);
|
|
|
|
// Called by assign(n,t), and the range assign when it turns out
|
|
// to be the same thing.
|
|
void
|
|
_M_fill_assign(size_type __n, const value_type& __val);
|
|
|
|
// Internal insert functions follow.
|
|
|
|
// Called by the range insert to implement [23.1.1]/9
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 438. Ambiguity in the "do the right thing" clause
|
|
template<typename _Integer>
|
|
void
|
|
_M_insert_dispatch(iterator __pos, _Integer __n, _Integer __val,
|
|
__true_type)
|
|
{ _M_fill_insert(__pos, __n, __val); }
|
|
|
|
// Called by the range insert to implement [23.1.1]/9
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_insert_dispatch(iterator __pos, _InputIterator __first,
|
|
_InputIterator __last, __false_type)
|
|
{
|
|
_M_range_insert(__pos, __first, __last,
|
|
std::__iterator_category(__first));
|
|
}
|
|
|
|
// Called by the second insert_dispatch above
|
|
template<typename _InputIterator>
|
|
void
|
|
_M_range_insert(iterator __pos, _InputIterator __first,
|
|
_InputIterator __last, std::input_iterator_tag);
|
|
|
|
// Called by the second insert_dispatch above
|
|
template<typename _ForwardIterator>
|
|
void
|
|
_M_range_insert(iterator __pos, _ForwardIterator __first,
|
|
_ForwardIterator __last, std::forward_iterator_tag);
|
|
|
|
// Called by insert(p,n,x), and the range insert when it turns out to be
|
|
// the same thing.
|
|
void
|
|
_M_fill_insert(iterator __pos, size_type __n, const value_type& __x);
|
|
|
|
#if __cplusplus >= 201103L
|
|
// Called by resize(n).
|
|
void
|
|
_M_default_append(size_type __n);
|
|
|
|
bool
|
|
_M_shrink_to_fit();
|
|
#endif
|
|
|
|
#if __cplusplus < 201103L
|
|
// Called by insert(p,x)
|
|
void
|
|
_M_insert_aux(iterator __position, const value_type& __x);
|
|
|
|
void
|
|
_M_realloc_insert(iterator __position, const value_type& __x);
|
|
#else
|
|
// A value_type object constructed with _Alloc_traits::construct()
|
|
// and destroyed with _Alloc_traits::destroy().
|
|
struct _Temporary_value
|
|
{
|
|
template<typename... _Args>
|
|
explicit
|
|
_Temporary_value(vector* __vec, _Args&&... __args) : _M_this(__vec)
|
|
{
|
|
_Alloc_traits::construct(_M_this->_M_impl, _M_ptr(),
|
|
std::forward<_Args>(__args)...);
|
|
}
|
|
|
|
~_Temporary_value()
|
|
{ _Alloc_traits::destroy(_M_this->_M_impl, _M_ptr()); }
|
|
|
|
value_type&
|
|
_M_val() { return *_M_ptr(); }
|
|
|
|
private:
|
|
_Tp*
|
|
_M_ptr() { return reinterpret_cast<_Tp*>(&__buf); }
|
|
|
|
vector* _M_this;
|
|
typename aligned_storage<sizeof(_Tp), alignof(_Tp)>::type __buf;
|
|
};
|
|
|
|
// Called by insert(p,x) and other functions when insertion needs to
|
|
// reallocate or move existing elements. _Arg is either _Tp& or _Tp.
|
|
template<typename _Arg>
|
|
void
|
|
_M_insert_aux(iterator __position, _Arg&& __arg);
|
|
|
|
template<typename... _Args>
|
|
void
|
|
_M_realloc_insert(iterator __position, _Args&&... __args);
|
|
|
|
// Either move-construct at the end, or forward to _M_insert_aux.
|
|
iterator
|
|
_M_insert_rval(const_iterator __position, value_type&& __v);
|
|
|
|
// Try to emplace at the end, otherwise forward to _M_insert_aux.
|
|
template<typename... _Args>
|
|
iterator
|
|
_M_emplace_aux(const_iterator __position, _Args&&... __args);
|
|
|
|
// Emplacing an rvalue of the correct type can use _M_insert_rval.
|
|
iterator
|
|
_M_emplace_aux(const_iterator __position, value_type&& __v)
|
|
{ return _M_insert_rval(__position, std::move(__v)); }
|
|
#endif
|
|
|
|
// Called by _M_fill_insert, _M_insert_aux etc.
|
|
size_type
|
|
_M_check_len(size_type __n, const char* __s) const
|
|
{
|
|
if (max_size() - size() < __n)
|
|
__throw_length_error(__N(__s));
|
|
|
|
const size_type __len = size() + (std::max)(size(), __n);
|
|
return (__len < size() || __len > max_size()) ? max_size() : __len;
|
|
}
|
|
|
|
// Called by constructors to check initial size.
|
|
static size_type
|
|
_S_check_init_len(size_type __n, const allocator_type& __a)
|
|
{
|
|
if (__n > _S_max_size(_Tp_alloc_type(__a)))
|
|
__throw_length_error(
|
|
__N("cannot create std::vector larger than max_size()"));
|
|
return __n;
|
|
}
|
|
|
|
static size_type
|
|
_S_max_size(const _Tp_alloc_type& __a) _GLIBCXX_NOEXCEPT
|
|
{
|
|
// std::distance(begin(), end()) cannot be greater than PTRDIFF_MAX,
|
|
// and realistically we can't store more than PTRDIFF_MAX/sizeof(T)
|
|
// (even if std::allocator_traits::max_size says we can).
|
|
const size_t __diffmax
|
|
= __gnu_cxx::__numeric_traits<ptrdiff_t>::__max / sizeof(_Tp);
|
|
const size_t __allocmax = _Alloc_traits::max_size(__a);
|
|
return (std::min)(__diffmax, __allocmax);
|
|
}
|
|
|
|
// Internal erase functions follow.
|
|
|
|
// Called by erase(q1,q2), clear(), resize(), _M_fill_assign,
|
|
// _M_assign_aux.
|
|
void
|
|
_M_erase_at_end(pointer __pos) _GLIBCXX_NOEXCEPT
|
|
{
|
|
if (size_type __n = this->_M_impl._M_finish - __pos)
|
|
{
|
|
std::_Destroy(__pos, this->_M_impl._M_finish,
|
|
_M_get_Tp_allocator());
|
|
this->_M_impl._M_finish = __pos;
|
|
_GLIBCXX_ASAN_ANNOTATE_SHRINK(__n);
|
|
}
|
|
}
|
|
|
|
iterator
|
|
_M_erase(iterator __position);
|
|
|
|
iterator
|
|
_M_erase(iterator __first, iterator __last);
|
|
|
|
#if __cplusplus >= 201103L
|
|
private:
|
|
// Constant-time move assignment when source object's memory can be
|
|
// moved, either because the source's allocator will move too
|
|
// or because the allocators are equal.
|
|
void
|
|
_M_move_assign(vector&& __x, true_type) noexcept
|
|
{
|
|
vector __tmp(get_allocator());
|
|
this->_M_impl._M_swap_data(__x._M_impl);
|
|
__tmp._M_impl._M_swap_data(__x._M_impl);
|
|
std::__alloc_on_move(_M_get_Tp_allocator(), __x._M_get_Tp_allocator());
|
|
}
|
|
|
|
// Do move assignment when it might not be possible to move source
|
|
// object's memory, resulting in a linear-time operation.
|
|
void
|
|
_M_move_assign(vector&& __x, false_type)
|
|
{
|
|
if (__x._M_get_Tp_allocator() == this->_M_get_Tp_allocator())
|
|
_M_move_assign(std::move(__x), true_type());
|
|
else
|
|
{
|
|
// The rvalue's allocator cannot be moved and is not equal,
|
|
// so we need to individually move each element.
|
|
this->_M_assign_aux(std::make_move_iterator(__x.begin()),
|
|
std::make_move_iterator(__x.end()),
|
|
std::random_access_iterator_tag());
|
|
__x.clear();
|
|
}
|
|
}
|
|
#endif
|
|
|
|
template<typename _Up>
|
|
_Up*
|
|
_M_data_ptr(_Up* __ptr) const _GLIBCXX_NOEXCEPT
|
|
{ return __ptr; }
|
|
|
|
#if __cplusplus >= 201103L
|
|
template<typename _Ptr>
|
|
typename std::pointer_traits<_Ptr>::element_type*
|
|
_M_data_ptr(_Ptr __ptr) const
|
|
{ return empty() ? nullptr : std::__to_address(__ptr); }
|
|
#else
|
|
template<typename _Up>
|
|
_Up*
|
|
_M_data_ptr(_Up* __ptr) _GLIBCXX_NOEXCEPT
|
|
{ return __ptr; }
|
|
|
|
template<typename _Ptr>
|
|
value_type*
|
|
_M_data_ptr(_Ptr __ptr)
|
|
{ return empty() ? (value_type*)0 : __ptr.operator->(); }
|
|
|
|
template<typename _Ptr>
|
|
const value_type*
|
|
_M_data_ptr(_Ptr __ptr) const
|
|
{ return empty() ? (const value_type*)0 : __ptr.operator->(); }
|
|
#endif
|
|
};
|
|
|
|
#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>>
|
|
vector(_InputIterator, _InputIterator, _Allocator = _Allocator())
|
|
-> vector<_ValT, _Allocator>;
|
|
#endif
|
|
|
|
/**
|
|
* @brief Vector equality comparison.
|
|
* @param __x A %vector.
|
|
* @param __y A %vector of the same type as @a __x.
|
|
* @return True iff the size and elements of the vectors are equal.
|
|
*
|
|
* This is an equivalence relation. It is linear in the size of the
|
|
* vectors. Vectors are considered equivalent if their sizes are equal,
|
|
* and if corresponding elements compare equal.
|
|
*/
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return (__x.size() == __y.size()
|
|
&& std::equal(__x.begin(), __x.end(), __y.begin())); }
|
|
|
|
#if __cpp_lib_three_way_comparison
|
|
/**
|
|
* @brief Vector ordering relation.
|
|
* @param __x A `vector`.
|
|
* @param __y A `vector` of the same type as `__x`.
|
|
* @return A value indicating whether `__x` is less than, equal to,
|
|
* greater than, or incomparable with `__y`.
|
|
*
|
|
* See `std::lexicographical_compare_three_way()` for how the determination
|
|
* is made. This operator is used to synthesize relational operators like
|
|
* `<` and `>=` etc.
|
|
*/
|
|
template<typename _Tp, typename _Alloc>
|
|
inline __detail::__synth3way_t<_Tp>
|
|
operator<=>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{
|
|
return std::lexicographical_compare_three_way(__x.begin(), __x.end(),
|
|
__y.begin(), __y.end(),
|
|
__detail::__synth3way);
|
|
}
|
|
#else
|
|
/**
|
|
* @brief Vector ordering relation.
|
|
* @param __x A %vector.
|
|
* @param __y A %vector of the same type as @a __x.
|
|
* @return True iff @a __x is lexicographically less than @a __y.
|
|
*
|
|
* This is a total ordering relation. It is linear in the size of the
|
|
* vectors. The elements must be comparable with @c <.
|
|
*
|
|
* See std::lexicographical_compare() for how the determination is made.
|
|
*/
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator<(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return std::lexicographical_compare(__x.begin(), __x.end(),
|
|
__y.begin(), __y.end()); }
|
|
|
|
/// Based on operator==
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator!=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
|
|
/// Based on operator<
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator>(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return __y < __x; }
|
|
|
|
/// Based on operator<
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator<=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return !(__y < __x); }
|
|
|
|
/// Based on operator<
|
|
template<typename _Tp, typename _Alloc>
|
|
inline bool
|
|
operator>=(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y)
|
|
{ return !(__x < __y); }
|
|
#endif // three-way comparison
|
|
|
|
/// See std::vector::swap().
|
|
template<typename _Tp, typename _Alloc>
|
|
inline void
|
|
swap(vector<_Tp, _Alloc>& __x, vector<_Tp, _Alloc>& __y)
|
|
_GLIBCXX_NOEXCEPT_IF(noexcept(__x.swap(__y)))
|
|
{ __x.swap(__y); }
|
|
|
|
_GLIBCXX_END_NAMESPACE_CONTAINER
|
|
|
|
#if __cplusplus >= 201703L
|
|
namespace __detail::__variant
|
|
{
|
|
template<typename> struct _Never_valueless_alt; // see <variant>
|
|
|
|
// Provide the strong exception-safety guarantee when emplacing a
|
|
// vector into a variant, but only if move assignment cannot throw.
|
|
template<typename _Tp, typename _Alloc>
|
|
struct _Never_valueless_alt<_GLIBCXX_STD_C::vector<_Tp, _Alloc>>
|
|
: std::is_nothrow_move_assignable<_GLIBCXX_STD_C::vector<_Tp, _Alloc>>
|
|
{ };
|
|
} // namespace __detail::__variant
|
|
#endif // C++17
|
|
|
|
_GLIBCXX_END_NAMESPACE_VERSION
|
|
} // namespace std
|
|
|
|
#endif /* _STL_VECTOR_H */
|