10b57cec5SDimitry Andric// -*- C++ -*- 2349cc55cSDimitry Andric//===----------------------------------------------------------------------===// 30b57cec5SDimitry Andric// 40b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 50b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 60b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 70b57cec5SDimitry Andric// 80b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 90b57cec5SDimitry Andric 100b57cec5SDimitry Andric#ifndef _LIBCPP_MEMORY 110b57cec5SDimitry Andric#define _LIBCPP_MEMORY 120b57cec5SDimitry Andric 135f757f3fSDimitry Andric// clang-format off 145f757f3fSDimitry Andric 150b57cec5SDimitry Andric/* 160b57cec5SDimitry Andric memory synopsis 170b57cec5SDimitry Andric 180b57cec5SDimitry Andricnamespace std 190b57cec5SDimitry Andric{ 200b57cec5SDimitry Andric 210b57cec5SDimitry Andricstruct allocator_arg_t { }; 220b57cec5SDimitry Andricinline constexpr allocator_arg_t allocator_arg = allocator_arg_t(); 230b57cec5SDimitry Andric 240b57cec5SDimitry Andrictemplate <class T, class Alloc> struct uses_allocator; 250b57cec5SDimitry Andric 260b57cec5SDimitry Andrictemplate <class Ptr> 270b57cec5SDimitry Andricstruct pointer_traits 280b57cec5SDimitry Andric{ 290b57cec5SDimitry Andric typedef Ptr pointer; 300b57cec5SDimitry Andric typedef <details> element_type; 310b57cec5SDimitry Andric typedef <details> difference_type; 320b57cec5SDimitry Andric 330b57cec5SDimitry Andric template <class U> using rebind = <details>; 340b57cec5SDimitry Andric 350b57cec5SDimitry Andric static pointer pointer_to(<details>); 360b57cec5SDimitry Andric}; 370b57cec5SDimitry Andric 380b57cec5SDimitry Andrictemplate <class T> 390b57cec5SDimitry Andricstruct pointer_traits<T*> 400b57cec5SDimitry Andric{ 410b57cec5SDimitry Andric typedef T* pointer; 420b57cec5SDimitry Andric typedef T element_type; 430b57cec5SDimitry Andric typedef ptrdiff_t difference_type; 440b57cec5SDimitry Andric 450b57cec5SDimitry Andric template <class U> using rebind = U*; 460b57cec5SDimitry Andric 470b57cec5SDimitry Andric static pointer pointer_to(<details>) noexcept; // constexpr in C++20 480b57cec5SDimitry Andric}; 490b57cec5SDimitry Andric 500b57cec5SDimitry Andrictemplate <class T> constexpr T* to_address(T* p) noexcept; // C++20 51e8d8bef9SDimitry Andrictemplate <class Ptr> constexpr auto to_address(const Ptr& p) noexcept; // C++20 520b57cec5SDimitry Andric 530b57cec5SDimitry Andrictemplate <class Alloc> 540b57cec5SDimitry Andricstruct allocator_traits 550b57cec5SDimitry Andric{ 560b57cec5SDimitry Andric typedef Alloc allocator_type; 570b57cec5SDimitry Andric typedef typename allocator_type::value_type 580b57cec5SDimitry Andric value_type; 590b57cec5SDimitry Andric 600b57cec5SDimitry Andric typedef Alloc::pointer | value_type* pointer; 610b57cec5SDimitry Andric typedef Alloc::const_pointer 620b57cec5SDimitry Andric | pointer_traits<pointer>::rebind<const value_type> 630b57cec5SDimitry Andric const_pointer; 640b57cec5SDimitry Andric typedef Alloc::void_pointer 650b57cec5SDimitry Andric | pointer_traits<pointer>::rebind<void> 660b57cec5SDimitry Andric void_pointer; 670b57cec5SDimitry Andric typedef Alloc::const_void_pointer 680b57cec5SDimitry Andric | pointer_traits<pointer>::rebind<const void> 690b57cec5SDimitry Andric const_void_pointer; 700b57cec5SDimitry Andric typedef Alloc::difference_type 710b57cec5SDimitry Andric | pointer_traits<pointer>::difference_type 720b57cec5SDimitry Andric difference_type; 730b57cec5SDimitry Andric typedef Alloc::size_type 740b57cec5SDimitry Andric | make_unsigned<difference_type>::type 750b57cec5SDimitry Andric size_type; 760b57cec5SDimitry Andric typedef Alloc::propagate_on_container_copy_assignment 770b57cec5SDimitry Andric | false_type propagate_on_container_copy_assignment; 780b57cec5SDimitry Andric typedef Alloc::propagate_on_container_move_assignment 790b57cec5SDimitry Andric | false_type propagate_on_container_move_assignment; 800b57cec5SDimitry Andric typedef Alloc::propagate_on_container_swap 810b57cec5SDimitry Andric | false_type propagate_on_container_swap; 820b57cec5SDimitry Andric typedef Alloc::is_always_equal 830b57cec5SDimitry Andric | is_empty is_always_equal; 840b57cec5SDimitry Andric 855ffd83dbSDimitry Andric template <class T> using rebind_alloc = Alloc::rebind<T>::other | Alloc<T, Args...>; 860b57cec5SDimitry Andric template <class T> using rebind_traits = allocator_traits<rebind_alloc<T>>; 870b57cec5SDimitry Andric 88e8d8bef9SDimitry Andric static pointer allocate(allocator_type& a, size_type n); // constexpr and [[nodiscard]] in C++20 89e8d8bef9SDimitry Andric static pointer allocate(allocator_type& a, size_type n, const_void_pointer hint); // constexpr and [[nodiscard]] in C++20 900b57cec5SDimitry Andric 91*0fca6ea1SDimitry Andric [[nodiscard]] static constexpr allocation_result<pointer, size_type> 92*0fca6ea1SDimitry Andric allocate_at_least(Alloc& a, size_type n); // Since C++23 93*0fca6ea1SDimitry Andric 94e8d8bef9SDimitry Andric static void deallocate(allocator_type& a, pointer p, size_type n) noexcept; // constexpr in C++20 950b57cec5SDimitry Andric 960b57cec5SDimitry Andric template <class T, class... Args> 97e8d8bef9SDimitry Andric static void construct(allocator_type& a, T* p, Args&&... args); // constexpr in C++20 980b57cec5SDimitry Andric 990b57cec5SDimitry Andric template <class T> 100e8d8bef9SDimitry Andric static void destroy(allocator_type& a, T* p); // constexpr in C++20 1010b57cec5SDimitry Andric 102e8d8bef9SDimitry Andric static size_type max_size(const allocator_type& a); // noexcept in C++14, constexpr in C++20 103e8d8bef9SDimitry Andric static allocator_type select_on_container_copy_construction(const allocator_type& a); // constexpr in C++20 1040b57cec5SDimitry Andric}; 1050b57cec5SDimitry Andric 106*0fca6ea1SDimitry Andrictemplate<class Pointer, class SizeType = size_t> 10781ad6265SDimitry Andricstruct allocation_result { 10881ad6265SDimitry Andric Pointer ptr; 109*0fca6ea1SDimitry Andric SizeType count; 110*0fca6ea1SDimitry Andric}; // Since C++23 11181ad6265SDimitry Andric 1120b57cec5SDimitry Andrictemplate <> 11323408297SDimitry Andricclass allocator<void> // removed in C++20 1140b57cec5SDimitry Andric{ 1150b57cec5SDimitry Andricpublic: 116fe6060f1SDimitry Andric typedef void* pointer; 117fe6060f1SDimitry Andric typedef const void* const_pointer; 118fe6060f1SDimitry Andric typedef void value_type; 1190b57cec5SDimitry Andric 120fe6060f1SDimitry Andric template <class _Up> struct rebind {typedef allocator<_Up> other;}; 1210b57cec5SDimitry Andric}; 1220b57cec5SDimitry Andric 1230b57cec5SDimitry Andrictemplate <class T> 1240b57cec5SDimitry Andricclass allocator 1250b57cec5SDimitry Andric{ 1260b57cec5SDimitry Andricpublic: 127e8d8bef9SDimitry Andric typedef size_t size_type; 128e8d8bef9SDimitry Andric typedef ptrdiff_t difference_type; 1295ffd83dbSDimitry Andric typedef T* pointer; // deprecated in C++17, removed in C++20 1305ffd83dbSDimitry Andric typedef const T* const_pointer; // deprecated in C++17, removed in C++20 1315ffd83dbSDimitry Andric typedef typename add_lvalue_reference<T>::type 1325ffd83dbSDimitry Andric reference; // deprecated in C++17, removed in C++20 1335ffd83dbSDimitry Andric typedef typename add_lvalue_reference<const T>::type 1345ffd83dbSDimitry Andric const_reference; // deprecated in C++17, removed in C++20 1355ffd83dbSDimitry Andric 1360b57cec5SDimitry Andric typedef T value_type; 1370b57cec5SDimitry Andric 1385ffd83dbSDimitry Andric template <class U> struct rebind {typedef allocator<U> other;}; // deprecated in C++17, removed in C++20 1395ffd83dbSDimitry Andric 1405ffd83dbSDimitry Andric typedef true_type propagate_on_container_move_assignment; 1417a6dacacSDimitry Andric typedef true_type is_always_equal; // Deprecated in C++23, removed in C++26 1420b57cec5SDimitry Andric 1430b57cec5SDimitry Andric constexpr allocator() noexcept; // constexpr in C++20 1440b57cec5SDimitry Andric constexpr allocator(const allocator&) noexcept; // constexpr in C++20 1450b57cec5SDimitry Andric template <class U> 1460b57cec5SDimitry Andric constexpr allocator(const allocator<U>&) noexcept; // constexpr in C++20 147e8d8bef9SDimitry Andric ~allocator(); // constexpr in C++20 1485ffd83dbSDimitry Andric pointer address(reference x) const noexcept; // deprecated in C++17, removed in C++20 1495ffd83dbSDimitry Andric const_pointer address(const_reference x) const noexcept; // deprecated in C++17, removed in C++20 1505ffd83dbSDimitry Andric T* allocate(size_t n, const void* hint); // deprecated in C++17, removed in C++20 151e8d8bef9SDimitry Andric T* allocate(size_t n); // constexpr in C++20 152e8d8bef9SDimitry Andric void deallocate(T* p, size_t n) noexcept; // constexpr in C++20 1535ffd83dbSDimitry Andric size_type max_size() const noexcept; // deprecated in C++17, removed in C++20 1540b57cec5SDimitry Andric template<class U, class... Args> 1555ffd83dbSDimitry Andric void construct(U* p, Args&&... args); // deprecated in C++17, removed in C++20 1560b57cec5SDimitry Andric template <class U> 1575ffd83dbSDimitry Andric void destroy(U* p); // deprecated in C++17, removed in C++20 1580b57cec5SDimitry Andric}; 1590b57cec5SDimitry Andric 1600b57cec5SDimitry Andrictemplate <class T, class U> 161e8d8bef9SDimitry Andricbool operator==(const allocator<T>&, const allocator<U>&) noexcept; // constexpr in C++20 1620b57cec5SDimitry Andric 1630b57cec5SDimitry Andrictemplate <class T, class U> 16406c3fb27SDimitry Andricbool operator!=(const allocator<T>&, const allocator<U>&) noexcept; // removed in C++20 1650b57cec5SDimitry Andric 1660b57cec5SDimitry Andrictemplate <class OutputIterator, class T> 167fe6060f1SDimitry Andricclass raw_storage_iterator // deprecated in C++17, removed in C++20 168fe6060f1SDimitry Andric : public iterator<output_iterator_tag, void, void, void, void> // until C++17 1690b57cec5SDimitry Andric{ 1700b57cec5SDimitry Andricpublic: 171fe6060f1SDimitry Andric typedef output_iterator_tag iterator_category; 172fe6060f1SDimitry Andric typedef void value_type; 173fe6060f1SDimitry Andric typedef void difference_type; // until C++20 174fe6060f1SDimitry Andric typedef ptrdiff_t difference_type; // since C++20 175fe6060f1SDimitry Andric typedef void pointer; 176fe6060f1SDimitry Andric typedef void reference; 177fe6060f1SDimitry Andric 1780b57cec5SDimitry Andric explicit raw_storage_iterator(OutputIterator x); 1790b57cec5SDimitry Andric raw_storage_iterator& operator*(); 1800b57cec5SDimitry Andric raw_storage_iterator& operator=(const T& element); 1810b57cec5SDimitry Andric raw_storage_iterator& operator++(); 1820b57cec5SDimitry Andric raw_storage_iterator operator++(int); 1830b57cec5SDimitry Andric}; 1840b57cec5SDimitry Andric 1850b57cec5SDimitry Andrictemplate <class T> pair<T*,ptrdiff_t> get_temporary_buffer(ptrdiff_t n) noexcept; 1860b57cec5SDimitry Andrictemplate <class T> void return_temporary_buffer(T* p) noexcept; 1870b57cec5SDimitry Andric 1880b57cec5SDimitry Andrictemplate <class T> T* addressof(T& r) noexcept; 1890b57cec5SDimitry Andrictemplate <class T> T* addressof(const T&& r) noexcept = delete; 1900b57cec5SDimitry Andric 1910b57cec5SDimitry Andrictemplate <class InputIterator, class ForwardIterator> 1920b57cec5SDimitry AndricForwardIterator 1930b57cec5SDimitry Andricuninitialized_copy(InputIterator first, InputIterator last, ForwardIterator result); 1940b57cec5SDimitry Andric 19504eeddc0SDimitry Andricnamespace ranges { 19604eeddc0SDimitry Andric 19704eeddc0SDimitry Andrictemplate<class InputIterator, class OutputIterator> 19804eeddc0SDimitry Andricusing uninitialized_copy_result = in_out_result<InputIterator, OutputIterator>; // since C++20 19904eeddc0SDimitry Andric 20004eeddc0SDimitry Andrictemplate<input_iterator InputIterator, sentinel-for<InputIterator> Sentinel1, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel2> 20104eeddc0SDimitry Andric requires constructible_from<iter_value_t<OutputIterator>, iter_reference_t<InputIterator>> 20204eeddc0SDimitry Andricuninitialized_copy_result<InputIterator, OutputIterator> 20304eeddc0SDimitry Andricuninitialized_copy(InputIterator ifirst, Sentinel1 ilast, OutputIterator ofirst, Sentinel2 olast); // since C++20 20404eeddc0SDimitry Andric 20504eeddc0SDimitry Andrictemplate<input_range InputRange, nothrow-forward-range OutputRange> 20604eeddc0SDimitry Andric requires constructible_from<range_value_t<OutputRange>, range_reference_t<InputRange>> 20704eeddc0SDimitry Andricuninitialized_copy_result<borrowed_iterator_t<InputRange>, borrowed_iterator_t<OutputRange>> 20804eeddc0SDimitry Andricuninitialized_copy(InputRange&& in_range, OutputRange&& out_range); // since C++20 20904eeddc0SDimitry Andric 21004eeddc0SDimitry Andric} 21104eeddc0SDimitry Andric 2120b57cec5SDimitry Andrictemplate <class InputIterator, class Size, class ForwardIterator> 2130b57cec5SDimitry AndricForwardIterator 2140b57cec5SDimitry Andricuninitialized_copy_n(InputIterator first, Size n, ForwardIterator result); 2150b57cec5SDimitry Andric 21604eeddc0SDimitry Andricnamespace ranges { 21704eeddc0SDimitry Andric 21804eeddc0SDimitry Andrictemplate<class InputIterator, class OutputIterator> 21904eeddc0SDimitry Andricusing uninitialized_copy_n_result = in_out_result<InputIterator, OutputIterator>; // since C++20 22004eeddc0SDimitry Andric 22104eeddc0SDimitry Andrictemplate<input_iterator InputIterator, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel> 22204eeddc0SDimitry Andric requires constructible_from<iter_value_t<OutputIterator>, iter_reference_t<InputIterator>> 22304eeddc0SDimitry Andricuninitialized_copy_n_result<InputIterator, OutputIterator> 22404eeddc0SDimitry Andricuninitialized_copy_n(InputIterator ifirst, iter_difference_t<InputIterator> n, OutputIterator ofirst, Sentinel olast); // since C++20 22504eeddc0SDimitry Andric 22604eeddc0SDimitry Andric} 22704eeddc0SDimitry Andric 2280b57cec5SDimitry Andrictemplate <class ForwardIterator, class T> 2290b57cec5SDimitry Andricvoid uninitialized_fill(ForwardIterator first, ForwardIterator last, const T& x); 2300b57cec5SDimitry Andric 23104eeddc0SDimitry Andricnamespace ranges { 23204eeddc0SDimitry Andric 2330eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel, class T> 2340eae32dcSDimitry Andric requires constructible_from<iter_value_t<ForwardIterator>, const T&> 23504eeddc0SDimitry AndricForwardIterator uninitialized_fill(ForwardIterator first, Sentinel last, const T& x); // since C++20 2360eae32dcSDimitry Andric 2370eae32dcSDimitry Andrictemplate <nothrow-forward-range ForwardRange, class T> 2380eae32dcSDimitry Andric requires constructible_from<range_value_t<ForwardRange>, const T&> 23904eeddc0SDimitry Andricborrowed_iterator_t<ForwardRange> uninitialized_fill(ForwardRange&& range, const T& x); // since C++20 24004eeddc0SDimitry Andric 24104eeddc0SDimitry Andric} 2420eae32dcSDimitry Andric 2430b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size, class T> 2440b57cec5SDimitry AndricForwardIterator 2450b57cec5SDimitry Andricuninitialized_fill_n(ForwardIterator first, Size n, const T& x); 2460b57cec5SDimitry Andric 24704eeddc0SDimitry Andricnamespace ranges { 24804eeddc0SDimitry Andric 2490eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator, class T> 2500eae32dcSDimitry Andric requires constructible_from<iter_value_t<ForwardIterator>, const T&> 25104eeddc0SDimitry AndricForwardIterator uninitialized_fill_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 25204eeddc0SDimitry Andric 25304eeddc0SDimitry Andric} 2540eae32dcSDimitry Andric 255e8d8bef9SDimitry Andrictemplate <class T, class ...Args> 256e8d8bef9SDimitry Andricconstexpr T* construct_at(T* location, Args&& ...args); // since C++20 257e8d8bef9SDimitry Andric 25804eeddc0SDimitry Andricnamespace ranges { 25904eeddc0SDimitry Andric template<class T, class... Args> 26004eeddc0SDimitry Andric constexpr T* construct_at(T* location, Args&&... args); // since C++20 26104eeddc0SDimitry Andric} 26204eeddc0SDimitry Andric 2630b57cec5SDimitry Andrictemplate <class T> 264e8d8bef9SDimitry Andricvoid destroy_at(T* location); // constexpr in C++20 2650b57cec5SDimitry Andric 26604eeddc0SDimitry Andricnamespace ranges { 26704eeddc0SDimitry Andric template<destructible T> 26804eeddc0SDimitry Andric constexpr void destroy_at(T* location) noexcept; // since C++20 26904eeddc0SDimitry Andric} 27004eeddc0SDimitry Andric 2710b57cec5SDimitry Andrictemplate <class ForwardIterator> 272e8d8bef9SDimitry Andricvoid destroy(ForwardIterator first, ForwardIterator last); // constexpr in C++20 2730b57cec5SDimitry Andric 27404eeddc0SDimitry Andricnamespace ranges { 27504eeddc0SDimitry Andric template<nothrow-input-iterator InputIterator, nothrow-sentinel-for<InputIterator> Sentinel> 27604eeddc0SDimitry Andric requires destructible<iter_value_t<InputIterator>> 27704eeddc0SDimitry Andric constexpr InputIterator destroy(InputIterator first, Sentinel last) noexcept; // since C++20 27804eeddc0SDimitry Andric template<nothrow-input-range InputRange> 27904eeddc0SDimitry Andric requires destructible<range_value_t<InputRange>> 28004eeddc0SDimitry Andric constexpr borrowed_iterator_t<InputRange> destroy(InputRange&& range) noexcept; // since C++20 28104eeddc0SDimitry Andric} 28204eeddc0SDimitry Andric 2830b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size> 284e8d8bef9SDimitry AndricForwardIterator destroy_n(ForwardIterator first, Size n); // constexpr in C++20 2850b57cec5SDimitry Andric 28604eeddc0SDimitry Andricnamespace ranges { 28704eeddc0SDimitry Andric template<nothrow-input-iterator InputIterator> 28804eeddc0SDimitry Andric requires destructible<iter_value_t<InputIterator>> 28904eeddc0SDimitry Andric constexpr InputIterator destroy_n(InputIterator first, iter_difference_t<InputIterator> n) noexcept; // since C++20 29004eeddc0SDimitry Andric} 29104eeddc0SDimitry Andric 2920b57cec5SDimitry Andrictemplate <class InputIterator, class ForwardIterator> 2930b57cec5SDimitry Andric ForwardIterator uninitialized_move(InputIterator first, InputIterator last, ForwardIterator result); 2940b57cec5SDimitry Andric 29504eeddc0SDimitry Andricnamespace ranges { 29604eeddc0SDimitry Andric 29704eeddc0SDimitry Andrictemplate<class InputIterator, class OutputIterator> 29804eeddc0SDimitry Andricusing uninitialized_move_result = in_out_result<InputIterator, OutputIterator>; // since C++20 29904eeddc0SDimitry Andric 30004eeddc0SDimitry Andrictemplate <input_iterator InputIterator, sentinel_for<InputIterator> Sentinel1, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<O> Sentinel2> 30104eeddc0SDimitry Andric requires constructible_from<iter_value_t<OutputIterator>, iter_rvalue_reference_t<InputIterator>> 30204eeddc0SDimitry Andricuninitialized_move_result<InputIterator, OutputIterator> 30304eeddc0SDimitry Andricuninitialized_move(InputIterator ifirst, Sentinel1 ilast, OutputIterator ofirst, Sentinel2 olast); // since C++20 30404eeddc0SDimitry Andric 30504eeddc0SDimitry Andrictemplate<input_range InputRange, nothrow-forward-range OutputRange> 30604eeddc0SDimitry Andric requires constructible_from<range_value_t<OutputRange>, range_rvalue_reference_t<InputRange>> 30704eeddc0SDimitry Andricuninitialized_move_result<borrowed_iterator_t<InputRange>, borrowed_iterator_t<OutputRange>> 30804eeddc0SDimitry Andricuninitialized_move(InputRange&& in_range, OutputRange&& out_range); // since C++20 30904eeddc0SDimitry Andric 31004eeddc0SDimitry Andric} 31104eeddc0SDimitry Andric 3120b57cec5SDimitry Andrictemplate <class InputIterator, class Size, class ForwardIterator> 3130b57cec5SDimitry Andric pair<InputIterator,ForwardIterator> uninitialized_move_n(InputIterator first, Size n, ForwardIterator result); 3140b57cec5SDimitry Andric 31504eeddc0SDimitry Andricnamespace ranges { 31604eeddc0SDimitry Andric 31704eeddc0SDimitry Andrictemplate<class InputIterator, class OutputIterator> 31804eeddc0SDimitry Andricusing uninitialized_move_n_result = in_out_result<InputIterator, OutputIterator>; // since C++20 31904eeddc0SDimitry Andric 32004eeddc0SDimitry Andrictemplate<input_iterator InputIterator, nothrow-forward-iterator OutputIterator, nothrow-sentinel-for<OutputIterator> Sentinel> 32104eeddc0SDimitry Andric requires constructible_from<iter_value_t<OutputIterator>, iter_rvalue_reference_t<InputIterator>> 32204eeddc0SDimitry Andricuninitialized_move_n_result<InputIterator, OutputIterator> 32304eeddc0SDimitry Andricuninitialized_move_n(InputIterator ifirst, iter_difference_t<InputIterator> n, OutputIterator ofirst, Sentinel olast); // since C++20 32404eeddc0SDimitry Andric 32504eeddc0SDimitry Andric} 32604eeddc0SDimitry Andric 3270b57cec5SDimitry Andrictemplate <class ForwardIterator> 3280b57cec5SDimitry Andric void uninitialized_value_construct(ForwardIterator first, ForwardIterator last); 3290b57cec5SDimitry Andric 33004eeddc0SDimitry Andricnamespace ranges { 33104eeddc0SDimitry Andric 3320eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel> 3330eae32dcSDimitry Andric requires default_initializable<iter_value_t<ForwardIterator>> 33404eeddc0SDimitry Andric ForwardIterator uninitialized_value_construct(ForwardIterator first, Sentinel last); // since C++20 3350eae32dcSDimitry Andric 3360eae32dcSDimitry Andrictemplate <nothrow-forward-range ForwardRange> 3370eae32dcSDimitry Andric requires default_initializable<range_value_t<ForwardRange>> 33804eeddc0SDimitry Andric borrowed_iterator_t<ForwardRange> uninitialized_value_construct(ForwardRange&& r); // since C++20 33904eeddc0SDimitry Andric 34004eeddc0SDimitry Andric} 3410eae32dcSDimitry Andric 3420b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size> 3430b57cec5SDimitry Andric ForwardIterator uninitialized_value_construct_n(ForwardIterator first, Size n); 3440b57cec5SDimitry Andric 34504eeddc0SDimitry Andricnamespace ranges { 34604eeddc0SDimitry Andric 3470eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator> 3480eae32dcSDimitry Andric requires default_initializable<iter_value_t<ForwardIterator>> 34904eeddc0SDimitry Andric ForwardIterator uninitialized_value_construct_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 35004eeddc0SDimitry Andric 35104eeddc0SDimitry Andric} 3520eae32dcSDimitry Andric 3530b57cec5SDimitry Andrictemplate <class ForwardIterator> 3540b57cec5SDimitry Andric void uninitialized_default_construct(ForwardIterator first, ForwardIterator last); 3550b57cec5SDimitry Andric 35604eeddc0SDimitry Andricnamespace ranges { 35704eeddc0SDimitry Andric 3580eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator, nothrow-sentinel-for<ForwardIterator> Sentinel> 3590eae32dcSDimitry Andric requires default_initializable<iter_value_t<ForwardIterator>> 36004eeddc0SDimitry Andric ForwardIterator uninitialized_default_construct(ForwardIterator first, Sentinel last); // since C++20 3610eae32dcSDimitry Andric 3620eae32dcSDimitry Andrictemplate <nothrow-forward-range ForwardRange> 3630eae32dcSDimitry Andric requires default_initializable<range_value_t<ForwardRange>> 36404eeddc0SDimitry Andric borrowed_iterator_t<ForwardRange> uninitialized_default_construct(ForwardRange&& r); // since C++20 36504eeddc0SDimitry Andric 36604eeddc0SDimitry Andric} 3670eae32dcSDimitry Andric 3680b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size> 3690b57cec5SDimitry Andric ForwardIterator uninitialized_default_construct_n(ForwardIterator first, Size n); 3700b57cec5SDimitry Andric 37104eeddc0SDimitry Andricnamespace ranges { 37204eeddc0SDimitry Andric 3730eae32dcSDimitry Andrictemplate <nothrow-forward-iterator ForwardIterator> 3740eae32dcSDimitry Andric requires default_initializable<iter_value_t<ForwardIterator>> 37504eeddc0SDimitry Andric ForwardIterator uninitialized_default_construct_n(ForwardIterator first, iter_difference_t<ForwardIterator> n); // since C++20 37604eeddc0SDimitry Andric 37704eeddc0SDimitry Andric} 3780eae32dcSDimitry Andric 3790b57cec5SDimitry Andrictemplate <class Y> struct auto_ptr_ref {}; // deprecated in C++11, removed in C++17 3800b57cec5SDimitry Andric 3810b57cec5SDimitry Andrictemplate<class X> 3820b57cec5SDimitry Andricclass auto_ptr // deprecated in C++11, removed in C++17 3830b57cec5SDimitry Andric{ 3840b57cec5SDimitry Andricpublic: 3850b57cec5SDimitry Andric typedef X element_type; 3860b57cec5SDimitry Andric 3870b57cec5SDimitry Andric explicit auto_ptr(X* p =0) throw(); 3880b57cec5SDimitry Andric auto_ptr(auto_ptr&) throw(); 3890b57cec5SDimitry Andric template<class Y> auto_ptr(auto_ptr<Y>&) throw(); 3900b57cec5SDimitry Andric auto_ptr& operator=(auto_ptr&) throw(); 3910b57cec5SDimitry Andric template<class Y> auto_ptr& operator=(auto_ptr<Y>&) throw(); 3920b57cec5SDimitry Andric auto_ptr& operator=(auto_ptr_ref<X> r) throw(); 3930b57cec5SDimitry Andric ~auto_ptr() throw(); 3940b57cec5SDimitry Andric 3950b57cec5SDimitry Andric typename add_lvalue_reference<X>::type operator*() const throw(); 3960b57cec5SDimitry Andric X* operator->() const throw(); 3970b57cec5SDimitry Andric X* get() const throw(); 3980b57cec5SDimitry Andric X* release() throw(); 3990b57cec5SDimitry Andric void reset(X* p =0) throw(); 4000b57cec5SDimitry Andric 4010b57cec5SDimitry Andric auto_ptr(auto_ptr_ref<X>) throw(); 4020b57cec5SDimitry Andric template<class Y> operator auto_ptr_ref<Y>() throw(); 4030b57cec5SDimitry Andric template<class Y> operator auto_ptr<Y>() throw(); 4040b57cec5SDimitry Andric}; 4050b57cec5SDimitry Andric 4060b57cec5SDimitry Andrictemplate <class T> 4070b57cec5SDimitry Andricstruct default_delete 4080b57cec5SDimitry Andric{ 4090b57cec5SDimitry Andric constexpr default_delete() noexcept = default; 410bdd1243dSDimitry Andric template <class U> constexpr default_delete(const default_delete<U>&) noexcept; // constexpr since C++23 4110b57cec5SDimitry Andric 412bdd1243dSDimitry Andric constexpr void operator()(T*) const noexcept; // constexpr since C++23 4130b57cec5SDimitry Andric}; 4140b57cec5SDimitry Andric 4150b57cec5SDimitry Andrictemplate <class T> 4160b57cec5SDimitry Andricstruct default_delete<T[]> 4170b57cec5SDimitry Andric{ 4180b57cec5SDimitry Andric constexpr default_delete() noexcept = default; 419bdd1243dSDimitry Andric template <class U> constexpr default_delete(const default_delete <U[]>&) noexcept; // constexpr since C++23 420bdd1243dSDimitry Andric constexpr void operator()(T*) const noexcept; // constexpr since C++23 4210b57cec5SDimitry Andric template <class U> void operator()(U*) const = delete; 4220b57cec5SDimitry Andric}; 4230b57cec5SDimitry Andric 4240b57cec5SDimitry Andrictemplate <class T, class D = default_delete<T>> 4250b57cec5SDimitry Andricclass unique_ptr 4260b57cec5SDimitry Andric{ 4270b57cec5SDimitry Andricpublic: 4280b57cec5SDimitry Andric typedef see below pointer; 4290b57cec5SDimitry Andric typedef T element_type; 4300b57cec5SDimitry Andric typedef D deleter_type; 4310b57cec5SDimitry Andric 4320b57cec5SDimitry Andric // constructors 4330b57cec5SDimitry Andric constexpr unique_ptr() noexcept; 434bdd1243dSDimitry Andric constexpr explicit unique_ptr(pointer p) noexcept; // constexpr since C++23 435bdd1243dSDimitry Andric constexpr unique_ptr(pointer p, see below d1) noexcept; // constexpr since C++23 436bdd1243dSDimitry Andric constexpr unique_ptr(pointer p, see below d2) noexcept; // constexpr since C++23 437bdd1243dSDimitry Andric constexpr unique_ptr(unique_ptr&& u) noexcept; // constexpr since C++23 438bdd1243dSDimitry Andric constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { } 4390b57cec5SDimitry Andric template <class U, class E> 440bdd1243dSDimitry Andric constexpr unique_ptr(unique_ptr<U, E>&& u) noexcept; // constexpr since C++23 4410b57cec5SDimitry Andric template <class U> 4420b57cec5SDimitry Andric unique_ptr(auto_ptr<U>&& u) noexcept; // removed in C++17 4430b57cec5SDimitry Andric 4440b57cec5SDimitry Andric // destructor 445bdd1243dSDimitry Andric constexpr ~unique_ptr(); // constexpr since C++23 4460b57cec5SDimitry Andric 4470b57cec5SDimitry Andric // assignment 448bdd1243dSDimitry Andric constexpr unique_ptr& operator=(unique_ptr&& u) noexcept; // constexpr since C++23 449bdd1243dSDimitry Andric template <class U, class E> 450bdd1243dSDimitry Andric constexpr unique_ptr& operator=(unique_ptr<U, E>&& u) noexcept; // constexpr since C++23 451bdd1243dSDimitry Andric constexpr unique_ptr& operator=(nullptr_t) noexcept; // constexpr since C++23 4520b57cec5SDimitry Andric 4530b57cec5SDimitry Andric // observers 454*0fca6ea1SDimitry Andric constexpr 455*0fca6ea1SDimitry Andric add_lvalue_reference<T>::type operator*() const noexcept(see below); // constexpr since C++23 456bdd1243dSDimitry Andric constexpr pointer operator->() const noexcept; // constexpr since C++23 457bdd1243dSDimitry Andric constexpr pointer get() const noexcept; // constexpr since C++23 458bdd1243dSDimitry Andric constexpr deleter_type& get_deleter() noexcept; // constexpr since C++23 459bdd1243dSDimitry Andric constexpr const deleter_type& get_deleter() const noexcept; // constexpr since C++23 460bdd1243dSDimitry Andric constexpr explicit operator bool() const noexcept; // constexpr since C++23 4610b57cec5SDimitry Andric 4620b57cec5SDimitry Andric // modifiers 463bdd1243dSDimitry Andric constexpr pointer release() noexcept; // constexpr since C++23 464bdd1243dSDimitry Andric constexpr void reset(pointer p = pointer()) noexcept; // constexpr since C++23 465bdd1243dSDimitry Andric constexpr void swap(unique_ptr& u) noexcept; // constexpr since C++23 4660b57cec5SDimitry Andric}; 4670b57cec5SDimitry Andric 4680b57cec5SDimitry Andrictemplate <class T, class D> 4690b57cec5SDimitry Andricclass unique_ptr<T[], D> 4700b57cec5SDimitry Andric{ 4710b57cec5SDimitry Andricpublic: 4720b57cec5SDimitry Andric typedef implementation-defined pointer; 4730b57cec5SDimitry Andric typedef T element_type; 4740b57cec5SDimitry Andric typedef D deleter_type; 4750b57cec5SDimitry Andric 4760b57cec5SDimitry Andric // constructors 4770b57cec5SDimitry Andric constexpr unique_ptr() noexcept; 478bdd1243dSDimitry Andric constexpr explicit unique_ptr(pointer p) noexcept; // constexpr since C++23 479bdd1243dSDimitry Andric constexpr unique_ptr(pointer p, see below d) noexcept; // constexpr since C++23 480bdd1243dSDimitry Andric constexpr unique_ptr(pointer p, see below d) noexcept; // constexpr since C++23 481bdd1243dSDimitry Andric constexpr unique_ptr(unique_ptr&& u) noexcept; // constexpr since C++23 482bdd1243dSDimitry Andric template <class U, class E> 483bdd1243dSDimitry Andric constexpr unique_ptr(unique_ptr <U, E>&& u) noexcept; // constexpr since C++23 484bdd1243dSDimitry Andric constexpr unique_ptr(nullptr_t) noexcept : unique_ptr() { } 4850b57cec5SDimitry Andric 4860b57cec5SDimitry Andric // destructor 487bdd1243dSDimitry Andric constexpr ~unique_ptr(); // constexpr since C++23 4880b57cec5SDimitry Andric 4890b57cec5SDimitry Andric // assignment 490bdd1243dSDimitry Andric constexpr unique_ptr& operator=(unique_ptr&& u) noexcept; // constexpr since C++23 491bdd1243dSDimitry Andric template <class U, class E> 492bdd1243dSDimitry Andric constexpr unique_ptr& operator=(unique_ptr <U, E>&& u) noexcept; // constexpr since C++23 493bdd1243dSDimitry Andric constexpr unique_ptr& operator=(nullptr_t) noexcept; // constexpr since C++23 4940b57cec5SDimitry Andric 4950b57cec5SDimitry Andric // observers 496bdd1243dSDimitry Andric constexpr T& operator[](size_t i) const; // constexpr since C++23 497bdd1243dSDimitry Andric constexpr pointer get() const noexcept; // constexpr since C++23 498bdd1243dSDimitry Andric constexpr deleter_type& get_deleter() noexcept; // constexpr since C++23 499bdd1243dSDimitry Andric constexpr const deleter_type& get_deleter() const noexcept; // constexpr since C++23 500bdd1243dSDimitry Andric constexpr explicit operator bool() const noexcept; // constexpr since C++23 5010b57cec5SDimitry Andric 5020b57cec5SDimitry Andric // modifiers 503bdd1243dSDimitry Andric constexpr pointer release() noexcept; // constexpr since C++23 504bdd1243dSDimitry Andric constexpr void reset(pointer p = pointer()) noexcept; // constexpr since C++23 505bdd1243dSDimitry Andric constexpr void reset(nullptr_t) noexcept; // constexpr since C++23 5060b57cec5SDimitry Andric template <class U> void reset(U) = delete; 507bdd1243dSDimitry Andric constexpr void swap(unique_ptr& u) noexcept; // constexpr since C++23 5080b57cec5SDimitry Andric}; 5090b57cec5SDimitry Andric 5100b57cec5SDimitry Andrictemplate <class T, class D> 511bdd1243dSDimitry Andric constexpr void swap(unique_ptr<T, D>& x, unique_ptr<T, D>& y) noexcept; // constexpr since C++23 5120b57cec5SDimitry Andric 5130b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 514bdd1243dSDimitry Andric constexpr bool operator==(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // constexpr since C++23 5150b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 516bdd1243dSDimitry Andric bool operator!=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // removed in C++20 5170b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 5180b57cec5SDimitry Andric bool operator<(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 5190b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 5200b57cec5SDimitry Andric bool operator<=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 5210b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 5220b57cec5SDimitry Andric bool operator>(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 5230b57cec5SDimitry Andrictemplate <class T1, class D1, class T2, class D2> 5240b57cec5SDimitry Andric bool operator>=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 525bdd1243dSDimitry Andrictemplate<class T1, class D1, class T2, class D2> 526bdd1243dSDimitry Andric requires three_way_comparable_with<typename unique_ptr<T1, D1>::pointer, 527bdd1243dSDimitry Andric typename unique_ptr<T2, D2>::pointer> 528bdd1243dSDimitry Andric compare_three_way_result_t<typename unique_ptr<T1, D1>::pointer, 529bdd1243dSDimitry Andric typename unique_ptr<T2, D2>::pointer> 530bdd1243dSDimitry Andric operator<=>(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); // C++20 5310b57cec5SDimitry Andric 5320b57cec5SDimitry Andrictemplate <class T, class D> 533bdd1243dSDimitry Andric constexpr bool operator==(const unique_ptr<T, D>& x, nullptr_t) noexcept; // constexpr since C++23 5340b57cec5SDimitry Andrictemplate <class T, class D> 535bdd1243dSDimitry Andric bool operator==(nullptr_t, const unique_ptr<T, D>& y) noexcept; // removed in C++20 5360b57cec5SDimitry Andrictemplate <class T, class D> 537bdd1243dSDimitry Andric bool operator!=(const unique_ptr<T, D>& x, nullptr_t) noexcept; // removed in C++20 5380b57cec5SDimitry Andrictemplate <class T, class D> 539bdd1243dSDimitry Andric bool operator!=(nullptr_t, const unique_ptr<T, D>& y) noexcept; // removed in C++20 5400b57cec5SDimitry Andric 5410b57cec5SDimitry Andrictemplate <class T, class D> 542bdd1243dSDimitry Andric constexpr bool operator<(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 5430b57cec5SDimitry Andrictemplate <class T, class D> 544bdd1243dSDimitry Andric constexpr bool operator<(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 5450b57cec5SDimitry Andrictemplate <class T, class D> 546bdd1243dSDimitry Andric constexpr bool operator<=(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 5470b57cec5SDimitry Andrictemplate <class T, class D> 548bdd1243dSDimitry Andric constexpr bool operator<=(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 5490b57cec5SDimitry Andrictemplate <class T, class D> 550bdd1243dSDimitry Andric constexpr bool operator>(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 5510b57cec5SDimitry Andrictemplate <class T, class D> 552bdd1243dSDimitry Andric constexpr bool operator>(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 5530b57cec5SDimitry Andrictemplate <class T, class D> 554bdd1243dSDimitry Andric constexpr bool operator>=(const unique_ptr<T, D>& x, nullptr_t); // constexpr since C++23 5550b57cec5SDimitry Andrictemplate <class T, class D> 556bdd1243dSDimitry Andric constexpr bool operator>=(nullptr_t, const unique_ptr<T, D>& y); // constexpr since C++23 557bdd1243dSDimitry Andrictemplate<class T, class D> 558bdd1243dSDimitry Andric requires three_way_comparable<typename unique_ptr<T, D>::pointer> 559bdd1243dSDimitry Andric compare_three_way_result_t<typename unique_ptr<T, D>::pointer> 560bdd1243dSDimitry Andric constexpr operator<=>(const unique_ptr<T, D>& x, nullptr_t); // C++20, constexpr since C++23 5610b57cec5SDimitry Andric 5620b57cec5SDimitry Andricclass bad_weak_ptr 5630b57cec5SDimitry Andric : public std::exception 5640b57cec5SDimitry Andric{ 5650b57cec5SDimitry Andric bad_weak_ptr() noexcept; 5660b57cec5SDimitry Andric}; 5670b57cec5SDimitry Andric 568bdd1243dSDimitry Andrictemplate<class T, class... Args> 569bdd1243dSDimitry Andricconstexpr unique_ptr<T> make_unique(Args&&... args); // C++14, constexpr since C++23 570bdd1243dSDimitry Andrictemplate<class T> 571bdd1243dSDimitry Andricconstexpr unique_ptr<T> make_unique(size_t n); // C++14, constexpr since C++23 5720b57cec5SDimitry Andrictemplate<class T, class... Args> unspecified make_unique(Args&&...) = delete; // C++14, T == U[N] 5730b57cec5SDimitry Andric 574bdd1243dSDimitry Andrictemplate<class T> 575bdd1243dSDimitry Andric constexpr unique_ptr<T> make_unique_for_overwrite(); // T is not array, C++20, constexpr since C++23 576bdd1243dSDimitry Andrictemplate<class T> 577bdd1243dSDimitry Andric constexpr unique_ptr<T> make_unique_for_overwrite(size_t n); // T is U[], C++20, constexpr since C++23 578bdd1243dSDimitry Andrictemplate<class T, class... Args> 579bdd1243dSDimitry Andric unspecified make_unique_for_overwrite(Args&&...) = delete; // T is U[N], C++20 580bdd1243dSDimitry Andric 5810b57cec5SDimitry Andrictemplate<class E, class T, class Y, class D> 5820b57cec5SDimitry Andric basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, unique_ptr<Y, D> const& p); 5830b57cec5SDimitry Andric 5840b57cec5SDimitry Andrictemplate<class T> 5850b57cec5SDimitry Andricclass shared_ptr 5860b57cec5SDimitry Andric{ 5870b57cec5SDimitry Andricpublic: 588349cc55cSDimitry Andric typedef T element_type; // until C++17 589349cc55cSDimitry Andric typedef remove_extent_t<T> element_type; // since C++17 5900b57cec5SDimitry Andric typedef weak_ptr<T> weak_type; // C++17 5910b57cec5SDimitry Andric 5920b57cec5SDimitry Andric // constructors: 5930b57cec5SDimitry Andric constexpr shared_ptr() noexcept; 5940b57cec5SDimitry Andric template<class Y> explicit shared_ptr(Y* p); 5950b57cec5SDimitry Andric template<class Y, class D> shared_ptr(Y* p, D d); 5960b57cec5SDimitry Andric template<class Y, class D, class A> shared_ptr(Y* p, D d, A a); 5970b57cec5SDimitry Andric template <class D> shared_ptr(nullptr_t p, D d); 5980b57cec5SDimitry Andric template <class D, class A> shared_ptr(nullptr_t p, D d, A a); 5990b57cec5SDimitry Andric template<class Y> shared_ptr(const shared_ptr<Y>& r, T *p) noexcept; 6000b57cec5SDimitry Andric shared_ptr(const shared_ptr& r) noexcept; 6010b57cec5SDimitry Andric template<class Y> shared_ptr(const shared_ptr<Y>& r) noexcept; 6020b57cec5SDimitry Andric shared_ptr(shared_ptr&& r) noexcept; 6030b57cec5SDimitry Andric template<class Y> shared_ptr(shared_ptr<Y>&& r) noexcept; 6040b57cec5SDimitry Andric template<class Y> explicit shared_ptr(const weak_ptr<Y>& r); 6050b57cec5SDimitry Andric template<class Y> shared_ptr(auto_ptr<Y>&& r); // removed in C++17 6060b57cec5SDimitry Andric template <class Y, class D> shared_ptr(unique_ptr<Y, D>&& r); 6070b57cec5SDimitry Andric shared_ptr(nullptr_t) : shared_ptr() { } 6080b57cec5SDimitry Andric 6090b57cec5SDimitry Andric // destructor: 6100b57cec5SDimitry Andric ~shared_ptr(); 6110b57cec5SDimitry Andric 6120b57cec5SDimitry Andric // assignment: 6130b57cec5SDimitry Andric shared_ptr& operator=(const shared_ptr& r) noexcept; 6140b57cec5SDimitry Andric template<class Y> shared_ptr& operator=(const shared_ptr<Y>& r) noexcept; 6150b57cec5SDimitry Andric shared_ptr& operator=(shared_ptr&& r) noexcept; 6160b57cec5SDimitry Andric template<class Y> shared_ptr& operator=(shared_ptr<Y>&& r); 6170b57cec5SDimitry Andric template<class Y> shared_ptr& operator=(auto_ptr<Y>&& r); // removed in C++17 6180b57cec5SDimitry Andric template <class Y, class D> shared_ptr& operator=(unique_ptr<Y, D>&& r); 6190b57cec5SDimitry Andric 6200b57cec5SDimitry Andric // modifiers: 6210b57cec5SDimitry Andric void swap(shared_ptr& r) noexcept; 6220b57cec5SDimitry Andric void reset() noexcept; 6230b57cec5SDimitry Andric template<class Y> void reset(Y* p); 6240b57cec5SDimitry Andric template<class Y, class D> void reset(Y* p, D d); 6250b57cec5SDimitry Andric template<class Y, class D, class A> void reset(Y* p, D d, A a); 6260b57cec5SDimitry Andric 6270b57cec5SDimitry Andric // observers: 6280b57cec5SDimitry Andric T* get() const noexcept; 6290b57cec5SDimitry Andric T& operator*() const noexcept; 6300b57cec5SDimitry Andric T* operator->() const noexcept; 6310b57cec5SDimitry Andric long use_count() const noexcept; 632647cbc5dSDimitry Andric bool unique() const noexcept; // deprected in C++17, removed in C++20 6330b57cec5SDimitry Andric explicit operator bool() const noexcept; 6340b57cec5SDimitry Andric template<class U> bool owner_before(shared_ptr<U> const& b) const noexcept; 6350b57cec5SDimitry Andric template<class U> bool owner_before(weak_ptr<U> const& b) const noexcept; 6360b57cec5SDimitry Andric}; 6370b57cec5SDimitry Andric 6385ffd83dbSDimitry Andrictemplate<class T> 6395ffd83dbSDimitry Andricshared_ptr(weak_ptr<T>) -> shared_ptr<T>; 6405ffd83dbSDimitry Andrictemplate<class T, class D> 6415ffd83dbSDimitry Andricshared_ptr(unique_ptr<T, D>) -> shared_ptr<T>; 6425ffd83dbSDimitry Andric 6430b57cec5SDimitry Andric// shared_ptr comparisons: 6440b57cec5SDimitry Andrictemplate<class T, class U> 6450b57cec5SDimitry Andric bool operator==(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 6460b57cec5SDimitry Andrictemplate<class T, class U> 647bdd1243dSDimitry Andric bool operator!=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 6480b57cec5SDimitry Andrictemplate<class T, class U> 649bdd1243dSDimitry Andric bool operator<(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 6500b57cec5SDimitry Andrictemplate<class T, class U> 651bdd1243dSDimitry Andric bool operator>(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 6520b57cec5SDimitry Andrictemplate<class T, class U> 653bdd1243dSDimitry Andric bool operator<=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 6540b57cec5SDimitry Andrictemplate<class T, class U> 655bdd1243dSDimitry Andric bool operator>=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // removed in C++20 656bdd1243dSDimitry Andrictemplate<class T, class U> 657bdd1243dSDimitry Andric strong_ordering operator<=>(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; // C++20 6580b57cec5SDimitry Andric 6590b57cec5SDimitry Andrictemplate <class T> 6600b57cec5SDimitry Andric bool operator==(const shared_ptr<T>& x, nullptr_t) noexcept; 6610b57cec5SDimitry Andrictemplate <class T> 662bdd1243dSDimitry Andric bool operator==(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 6630b57cec5SDimitry Andrictemplate <class T> 664bdd1243dSDimitry Andric bool operator!=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 6650b57cec5SDimitry Andrictemplate <class T> 666bdd1243dSDimitry Andric bool operator!=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 6670b57cec5SDimitry Andrictemplate <class T> 668bdd1243dSDimitry Andric bool operator<(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 6690b57cec5SDimitry Andrictemplate <class T> 670bdd1243dSDimitry Andric bool operator<(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 6710b57cec5SDimitry Andrictemplate <class T> 672bdd1243dSDimitry Andric bool operator<=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 6730b57cec5SDimitry Andrictemplate <class T> 674bdd1243dSDimitry Andric bool operator<=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 6750b57cec5SDimitry Andrictemplate <class T> 676bdd1243dSDimitry Andric bool operator>(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 6770b57cec5SDimitry Andrictemplate <class T> 678bdd1243dSDimitry Andric bool operator>(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 6790b57cec5SDimitry Andrictemplate <class T> 680bdd1243dSDimitry Andric bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept; // removed in C++20 6810b57cec5SDimitry Andrictemplate <class T> 682bdd1243dSDimitry Andric bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept; // removed in C++20 683bdd1243dSDimitry Andrictemplate<class T> 684bdd1243dSDimitry Andric strong_ordering operator<=>(shared_ptr<T> const& x, nullptr_t) noexcept; // C++20 6850b57cec5SDimitry Andric 6860b57cec5SDimitry Andric// shared_ptr specialized algorithms: 6870b57cec5SDimitry Andrictemplate<class T> void swap(shared_ptr<T>& a, shared_ptr<T>& b) noexcept; 6880b57cec5SDimitry Andric 6890b57cec5SDimitry Andric// shared_ptr casts: 6900b57cec5SDimitry Andrictemplate<class T, class U> 6910b57cec5SDimitry Andric shared_ptr<T> static_pointer_cast(shared_ptr<U> const& r) noexcept; 6920b57cec5SDimitry Andrictemplate<class T, class U> 6930b57cec5SDimitry Andric shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const& r) noexcept; 6940b57cec5SDimitry Andrictemplate<class T, class U> 6950b57cec5SDimitry Andric shared_ptr<T> const_pointer_cast(shared_ptr<U> const& r) noexcept; 6960b57cec5SDimitry Andric 6970b57cec5SDimitry Andric// shared_ptr I/O: 6980b57cec5SDimitry Andrictemplate<class E, class T, class Y> 6990b57cec5SDimitry Andric basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, shared_ptr<Y> const& p); 7000b57cec5SDimitry Andric 7010b57cec5SDimitry Andric// shared_ptr get_deleter: 7020b57cec5SDimitry Andrictemplate<class D, class T> D* get_deleter(shared_ptr<T> const& p) noexcept; 7030b57cec5SDimitry Andric 7040b57cec5SDimitry Andrictemplate<class T, class... Args> 70581ad6265SDimitry Andric shared_ptr<T> make_shared(Args&&... args); // T is not an array 7060b57cec5SDimitry Andrictemplate<class T, class A, class... Args> 70781ad6265SDimitry Andric shared_ptr<T> allocate_shared(const A& a, Args&&... args); // T is not an array 70881ad6265SDimitry Andric 70981ad6265SDimitry Andrictemplate<class T> 71081ad6265SDimitry Andric shared_ptr<T> make_shared(size_t N); // T is U[] (since C++20) 71181ad6265SDimitry Andrictemplate<class T, class A> 71281ad6265SDimitry Andric shared_ptr<T> allocate_shared(const A& a, size_t N); // T is U[] (since C++20) 71381ad6265SDimitry Andric 71481ad6265SDimitry Andrictemplate<class T> 71581ad6265SDimitry Andric shared_ptr<T> make_shared(); // T is U[N] (since C++20) 71681ad6265SDimitry Andrictemplate<class T, class A> 71781ad6265SDimitry Andric shared_ptr<T> allocate_shared(const A& a); // T is U[N] (since C++20) 71881ad6265SDimitry Andric 71981ad6265SDimitry Andrictemplate<class T> 72081ad6265SDimitry Andric shared_ptr<T> make_shared(size_t N, const remove_extent_t<T>& u); // T is U[] (since C++20) 72181ad6265SDimitry Andrictemplate<class T, class A> 72281ad6265SDimitry Andric shared_ptr<T> allocate_shared(const A& a, size_t N, const remove_extent_t<T>& u); // T is U[] (since C++20) 72381ad6265SDimitry Andric 72481ad6265SDimitry Andrictemplate<class T> shared_ptr<T> 72581ad6265SDimitry Andric make_shared(const remove_extent_t<T>& u); // T is U[N] (since C++20) 72681ad6265SDimitry Andrictemplate<class T, class A> 72781ad6265SDimitry Andric shared_ptr<T> allocate_shared(const A& a, const remove_extent_t<T>& u); // T is U[N] (since C++20) 7280b57cec5SDimitry Andric 7290b57cec5SDimitry Andrictemplate<class T> 730bdd1243dSDimitry Andric shared_ptr<T> make_shared_for_overwrite(); // T is not U[], C++20 731bdd1243dSDimitry Andrictemplate<class T, class A> 732bdd1243dSDimitry Andric shared_ptr<T> allocate_shared_for_overwrite(const A& a); // T is not U[], C++20 733bdd1243dSDimitry Andric 734bdd1243dSDimitry Andrictemplate<class T> 735bdd1243dSDimitry Andric shared_ptr<T> make_shared_for_overwrite(size_t N); // T is U[], C++20 736bdd1243dSDimitry Andrictemplate<class T, class A> 737bdd1243dSDimitry Andric shared_ptr<T> allocate_shared_for_overwrite(const A& a, size_t N); // T is U[], C++20 738bdd1243dSDimitry Andric 739bdd1243dSDimitry Andrictemplate<class T> 7400b57cec5SDimitry Andricclass weak_ptr 7410b57cec5SDimitry Andric{ 7420b57cec5SDimitry Andricpublic: 743349cc55cSDimitry Andric typedef T element_type; // until C++17 744349cc55cSDimitry Andric typedef remove_extent_t<T> element_type; // since C++17 7450b57cec5SDimitry Andric 7460b57cec5SDimitry Andric // constructors 7470b57cec5SDimitry Andric constexpr weak_ptr() noexcept; 7480b57cec5SDimitry Andric template<class Y> weak_ptr(shared_ptr<Y> const& r) noexcept; 7490b57cec5SDimitry Andric weak_ptr(weak_ptr const& r) noexcept; 7500b57cec5SDimitry Andric template<class Y> weak_ptr(weak_ptr<Y> const& r) noexcept; 7510b57cec5SDimitry Andric weak_ptr(weak_ptr&& r) noexcept; // C++14 7520b57cec5SDimitry Andric template<class Y> weak_ptr(weak_ptr<Y>&& r) noexcept; // C++14 7530b57cec5SDimitry Andric 7540b57cec5SDimitry Andric // destructor 7550b57cec5SDimitry Andric ~weak_ptr(); 7560b57cec5SDimitry Andric 7570b57cec5SDimitry Andric // assignment 7580b57cec5SDimitry Andric weak_ptr& operator=(weak_ptr const& r) noexcept; 7590b57cec5SDimitry Andric template<class Y> weak_ptr& operator=(weak_ptr<Y> const& r) noexcept; 7600b57cec5SDimitry Andric template<class Y> weak_ptr& operator=(shared_ptr<Y> const& r) noexcept; 7610b57cec5SDimitry Andric weak_ptr& operator=(weak_ptr&& r) noexcept; // C++14 7620b57cec5SDimitry Andric template<class Y> weak_ptr& operator=(weak_ptr<Y>&& r) noexcept; // C++14 7630b57cec5SDimitry Andric 7640b57cec5SDimitry Andric // modifiers 7650b57cec5SDimitry Andric void swap(weak_ptr& r) noexcept; 7660b57cec5SDimitry Andric void reset() noexcept; 7670b57cec5SDimitry Andric 7680b57cec5SDimitry Andric // observers 7690b57cec5SDimitry Andric long use_count() const noexcept; 7700b57cec5SDimitry Andric bool expired() const noexcept; 7710b57cec5SDimitry Andric shared_ptr<T> lock() const noexcept; 7720b57cec5SDimitry Andric template<class U> bool owner_before(shared_ptr<U> const& b) const noexcept; 7730b57cec5SDimitry Andric template<class U> bool owner_before(weak_ptr<U> const& b) const noexcept; 7740b57cec5SDimitry Andric}; 7750b57cec5SDimitry Andric 7765ffd83dbSDimitry Andrictemplate<class T> 7775ffd83dbSDimitry Andricweak_ptr(shared_ptr<T>) -> weak_ptr<T>; 7785ffd83dbSDimitry Andric 7790b57cec5SDimitry Andric// weak_ptr specialized algorithms: 7800b57cec5SDimitry Andrictemplate<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b) noexcept; 7810b57cec5SDimitry Andric 7820b57cec5SDimitry Andric// class owner_less: 7830b57cec5SDimitry Andrictemplate<class T> struct owner_less; 7840b57cec5SDimitry Andric 7850b57cec5SDimitry Andrictemplate<class T> 7860b57cec5SDimitry Andricstruct owner_less<shared_ptr<T> > 7870b57cec5SDimitry Andric : binary_function<shared_ptr<T>, shared_ptr<T>, bool> 7880b57cec5SDimitry Andric{ 7890b57cec5SDimitry Andric typedef bool result_type; 7900b57cec5SDimitry Andric bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const noexcept; 7910b57cec5SDimitry Andric bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const noexcept; 7920b57cec5SDimitry Andric bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const noexcept; 7930b57cec5SDimitry Andric}; 7940b57cec5SDimitry Andric 7950b57cec5SDimitry Andrictemplate<class T> 7960b57cec5SDimitry Andricstruct owner_less<weak_ptr<T> > 7970b57cec5SDimitry Andric : binary_function<weak_ptr<T>, weak_ptr<T>, bool> 7980b57cec5SDimitry Andric{ 7990b57cec5SDimitry Andric typedef bool result_type; 8000b57cec5SDimitry Andric bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const noexcept; 8010b57cec5SDimitry Andric bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const noexcept; 8020b57cec5SDimitry Andric bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const noexcept; 8030b57cec5SDimitry Andric}; 8040b57cec5SDimitry Andric 8050b57cec5SDimitry Andrictemplate <> // Added in C++14 8060b57cec5SDimitry Andricstruct owner_less<void> 8070b57cec5SDimitry Andric{ 8080b57cec5SDimitry Andric template <class _Tp, class _Up> 8090b57cec5SDimitry Andric bool operator()( shared_ptr<_Tp> const& __x, shared_ptr<_Up> const& __y) const noexcept; 8100b57cec5SDimitry Andric template <class _Tp, class _Up> 8110b57cec5SDimitry Andric bool operator()( shared_ptr<_Tp> const& __x, weak_ptr<_Up> const& __y) const noexcept; 8120b57cec5SDimitry Andric template <class _Tp, class _Up> 8130b57cec5SDimitry Andric bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Up> const& __y) const noexcept; 8140b57cec5SDimitry Andric template <class _Tp, class _Up> 8150b57cec5SDimitry Andric bool operator()( weak_ptr<_Tp> const& __x, weak_ptr<_Up> const& __y) const noexcept; 8160b57cec5SDimitry Andric 8170b57cec5SDimitry Andric typedef void is_transparent; 8180b57cec5SDimitry Andric}; 8190b57cec5SDimitry Andric 8200b57cec5SDimitry Andrictemplate<class T> 8210b57cec5SDimitry Andricclass enable_shared_from_this 8220b57cec5SDimitry Andric{ 8230b57cec5SDimitry Andricprotected: 8240b57cec5SDimitry Andric constexpr enable_shared_from_this() noexcept; 8250b57cec5SDimitry Andric enable_shared_from_this(enable_shared_from_this const&) noexcept; 8260b57cec5SDimitry Andric enable_shared_from_this& operator=(enable_shared_from_this const&) noexcept; 8270b57cec5SDimitry Andric ~enable_shared_from_this(); 8280b57cec5SDimitry Andricpublic: 8290b57cec5SDimitry Andric shared_ptr<T> shared_from_this(); 8300b57cec5SDimitry Andric shared_ptr<T const> shared_from_this() const; 8310b57cec5SDimitry Andric}; 8320b57cec5SDimitry Andric 8330b57cec5SDimitry Andrictemplate<class T> 8340b57cec5SDimitry Andric bool atomic_is_lock_free(const shared_ptr<T>* p); 8350b57cec5SDimitry Andrictemplate<class T> 8360b57cec5SDimitry Andric shared_ptr<T> atomic_load(const shared_ptr<T>* p); 8370b57cec5SDimitry Andrictemplate<class T> 8380b57cec5SDimitry Andric shared_ptr<T> atomic_load_explicit(const shared_ptr<T>* p, memory_order mo); 8390b57cec5SDimitry Andrictemplate<class T> 8400b57cec5SDimitry Andric void atomic_store(shared_ptr<T>* p, shared_ptr<T> r); 8410b57cec5SDimitry Andrictemplate<class T> 8420b57cec5SDimitry Andric void atomic_store_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 8430b57cec5SDimitry Andrictemplate<class T> 8440b57cec5SDimitry Andric shared_ptr<T> atomic_exchange(shared_ptr<T>* p, shared_ptr<T> r); 8450b57cec5SDimitry Andrictemplate<class T> 8460b57cec5SDimitry Andric shared_ptr<T> 8470b57cec5SDimitry Andric atomic_exchange_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 8480b57cec5SDimitry Andrictemplate<class T> 8490b57cec5SDimitry Andric bool 8500b57cec5SDimitry Andric atomic_compare_exchange_weak(shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 8510b57cec5SDimitry Andrictemplate<class T> 8520b57cec5SDimitry Andric bool 8530b57cec5SDimitry Andric atomic_compare_exchange_strong( shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 8540b57cec5SDimitry Andrictemplate<class T> 8550b57cec5SDimitry Andric bool 8560b57cec5SDimitry Andric atomic_compare_exchange_weak_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 8570b57cec5SDimitry Andric shared_ptr<T> w, memory_order success, 8580b57cec5SDimitry Andric memory_order failure); 8590b57cec5SDimitry Andrictemplate<class T> 8600b57cec5SDimitry Andric bool 8610b57cec5SDimitry Andric atomic_compare_exchange_strong_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 8620b57cec5SDimitry Andric shared_ptr<T> w, memory_order success, 8630b57cec5SDimitry Andric memory_order failure); 8640b57cec5SDimitry Andric// Hash support 8650b57cec5SDimitry Andrictemplate <class T> struct hash; 8660b57cec5SDimitry Andrictemplate <class T, class D> struct hash<unique_ptr<T, D> >; 8670b57cec5SDimitry Andrictemplate <class T> struct hash<shared_ptr<T> >; 8680b57cec5SDimitry Andric 8690b57cec5SDimitry Andrictemplate <class T, class Alloc> 8700b57cec5SDimitry Andric inline constexpr bool uses_allocator_v = uses_allocator<T, Alloc>::value; 8710b57cec5SDimitry Andric 8725f757f3fSDimitry Andric// [allocator.uses.construction], uses-allocator construction 8735f757f3fSDimitry Andrictemplate<class T, class Alloc, class... Args> 8745f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8755f757f3fSDimitry Andric Args&&... args) noexcept; 8765f757f3fSDimitry Andrictemplate<class T, class Alloc, class Tuple1, class Tuple2> 8775f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8785f757f3fSDimitry Andric piecewise_construct_t, 8795f757f3fSDimitry Andric Tuple1&& x, Tuple2&& y) noexcept; 8805f757f3fSDimitry Andrictemplate<class T, class Alloc> 8815f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc) noexcept; // since C++20 8825f757f3fSDimitry Andrictemplate<class T, class Alloc, class U, class V> 8835f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8845f757f3fSDimitry Andric U&& u, V&& v) noexcept; 8855f757f3fSDimitry Andrictemplate<class T, class Alloc, class U, class V> 8865f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++23 8875f757f3fSDimitry Andric pair<U, V>& pr) noexcept; 8885f757f3fSDimitry Andrictemplate<class T, class Alloc, class U, class V> 8895f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8905f757f3fSDimitry Andric const pair<U, V>& pr) noexcept; 8915f757f3fSDimitry Andrictemplate<class T, class Alloc, class U, class V> 8925f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8935f757f3fSDimitry Andric pair<U, V>&& pr) noexcept; 8945f757f3fSDimitry Andrictemplate<class T, class Alloc, class U, class V> 8955f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++23 8965f757f3fSDimitry Andric const pair<U, V>&& pr) noexcept; 8975f757f3fSDimitry Andrictemplate<class T, class Alloc, pair-like P> 8985f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 8995f757f3fSDimitry Andric P&& p) noexcept; 9005f757f3fSDimitry Andrictemplate<class T, class Alloc, class U> 9015f757f3fSDimitry Andric constexpr auto uses_allocator_construction_args(const Alloc& alloc, // since C++20 9025f757f3fSDimitry Andric U&& u) noexcept; 9035f757f3fSDimitry Andrictemplate<class T, class Alloc, class... Args> 9045f757f3fSDimitry Andric constexpr T make_obj_using_allocator(const Alloc& alloc, Args&&... args); // since C++20 9055f757f3fSDimitry Andrictemplate<class T, class Alloc, class... Args> 9065f757f3fSDimitry Andric constexpr T* uninitialized_construct_using_allocator(T* p, // since C++20 9075f757f3fSDimitry Andric const Alloc& alloc, Args&&... args); 9085f757f3fSDimitry Andric 90981ad6265SDimitry Andric// [ptr.align] 9100b57cec5SDimitry Andricvoid* align(size_t alignment, size_t size, void*& ptr, size_t& space); 9110b57cec5SDimitry Andric 91281ad6265SDimitry Andrictemplate<size_t N, class T> 91381ad6265SDimitry Andric[[nodiscard]] constexpr T* assume_aligned(T* ptr); // since C++20 91481ad6265SDimitry Andric 915*0fca6ea1SDimitry Andric// [out.ptr.t], class template out_ptr_t 916*0fca6ea1SDimitry Andrictemplate<class Smart, class Pointer, class... Args> 917*0fca6ea1SDimitry Andric class out_ptr_t; // since c++23 918*0fca6ea1SDimitry Andric 919*0fca6ea1SDimitry Andric// [out.ptr], function template out_ptr 920*0fca6ea1SDimitry Andrictemplate<class Pointer = void, class Smart, class... Args> 921*0fca6ea1SDimitry Andric auto out_ptr(Smart& s, Args&&... args); // since c++23 922*0fca6ea1SDimitry Andric 923*0fca6ea1SDimitry Andric// [inout.ptr.t], class template inout_ptr_t 924*0fca6ea1SDimitry Andrictemplate<class Smart, class Pointer, class... Args> 925*0fca6ea1SDimitry Andric class inout_ptr_t; // since c++23 926*0fca6ea1SDimitry Andric 927*0fca6ea1SDimitry Andric// [inout.ptr], function template inout_ptr 928*0fca6ea1SDimitry Andrictemplate<class Pointer = void, class Smart, class... Args> 929*0fca6ea1SDimitry Andric auto inout_ptr(Smart& s, Args&&... args); // since c++23 930*0fca6ea1SDimitry Andric 9310b57cec5SDimitry Andric} // std 9320b57cec5SDimitry Andric 9330b57cec5SDimitry Andric*/ 9340b57cec5SDimitry Andric 9355f757f3fSDimitry Andric// clang-format on 9365f757f3fSDimitry Andric 9370b57cec5SDimitry Andric#include <__config> 938fe6060f1SDimitry Andric#include <__memory/addressof.h> 939bdd1243dSDimitry Andric#include <__memory/align.h> 940fe6060f1SDimitry Andric#include <__memory/allocator.h> 941fe6060f1SDimitry Andric#include <__memory/allocator_arg_t.h> 942fe6060f1SDimitry Andric#include <__memory/allocator_traits.h> 94381ad6265SDimitry Andric#include <__memory/auto_ptr.h> 944*0fca6ea1SDimitry Andric#include <__memory/inout_ptr.h> 945*0fca6ea1SDimitry Andric#include <__memory/out_ptr.h> 946fe6060f1SDimitry Andric#include <__memory/pointer_traits.h> 947fe6060f1SDimitry Andric#include <__memory/raw_storage_iterator.h> 948fe6060f1SDimitry Andric#include <__memory/shared_ptr.h> 949fe6060f1SDimitry Andric#include <__memory/temporary_buffer.h> 950fe6060f1SDimitry Andric#include <__memory/uninitialized_algorithms.h> 951fe6060f1SDimitry Andric#include <__memory/unique_ptr.h> 952fe6060f1SDimitry Andric#include <__memory/uses_allocator.h> 9530b57cec5SDimitry Andric 95481ad6265SDimitry Andric// standard-mandated includes 955bdd1243dSDimitry Andric 956*0fca6ea1SDimitry Andric#if _LIBCPP_STD_VER >= 17 957*0fca6ea1SDimitry Andric# include <__memory/construct_at.h> 958*0fca6ea1SDimitry Andric#endif 959*0fca6ea1SDimitry Andric 960*0fca6ea1SDimitry Andric#if _LIBCPP_STD_VER >= 20 961*0fca6ea1SDimitry Andric# include <__memory/assume_aligned.h> 962*0fca6ea1SDimitry Andric# include <__memory/concepts.h> 963*0fca6ea1SDimitry Andric# include <__memory/ranges_construct_at.h> 964*0fca6ea1SDimitry Andric# include <__memory/ranges_uninitialized_algorithms.h> 965*0fca6ea1SDimitry Andric# include <__memory/uses_allocator_construction.h> 966*0fca6ea1SDimitry Andric#endif 967*0fca6ea1SDimitry Andric 968*0fca6ea1SDimitry Andric#if _LIBCPP_STD_VER >= 23 969*0fca6ea1SDimitry Andric# include <__memory/allocate_at_least.h> 970*0fca6ea1SDimitry Andric#endif 971*0fca6ea1SDimitry Andric 972*0fca6ea1SDimitry Andric#include <version> 973*0fca6ea1SDimitry Andric 974bdd1243dSDimitry Andric// [memory.syn] 97581ad6265SDimitry Andric#include <compare> 97681ad6265SDimitry Andric 9770b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 9780b57cec5SDimitry Andric# pragma GCC system_header 9790b57cec5SDimitry Andric#endif 9800b57cec5SDimitry Andric 981bdd1243dSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 98206c3fb27SDimitry Andric# include <atomic> 983bdd1243dSDimitry Andric# include <concepts> 984bdd1243dSDimitry Andric# include <cstddef> 985bdd1243dSDimitry Andric# include <cstdint> 98606c3fb27SDimitry Andric# include <cstdlib> 987bdd1243dSDimitry Andric# include <cstring> 988bdd1243dSDimitry Andric# include <iosfwd> 989bdd1243dSDimitry Andric# include <iterator> 990bdd1243dSDimitry Andric# include <new> 991bdd1243dSDimitry Andric# include <stdexcept> 992bdd1243dSDimitry Andric# include <tuple> 993bdd1243dSDimitry Andric# include <type_traits> 994bdd1243dSDimitry Andric# include <typeinfo> 995bdd1243dSDimitry Andric# include <utility> 996bdd1243dSDimitry Andric#endif 997bdd1243dSDimitry Andric 9980b57cec5SDimitry Andric#endif // _LIBCPP_MEMORY 999