1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_VERSIONH 11#define _LIBCPP_VERSIONH 12 13/* 14 version synopsis 15 16Macro name Value Headers 17__cpp_lib_adaptor_iterator_pair_constructor 202106L <queue> <stack> 18__cpp_lib_addressof_constexpr 201603L <memory> 19__cpp_lib_allocate_at_least 202106L <memory> 20__cpp_lib_allocator_traits_is_always_equal 201411L <deque> <forward_list> <list> 21 <map> <memory> <scoped_allocator> 22 <set> <string> <unordered_map> 23 <unordered_set> <vector> 24__cpp_lib_any 201606L <any> 25__cpp_lib_apply 201603L <tuple> 26__cpp_lib_array_constexpr 201811L <array> <iterator> 27 201603L // C++17 28__cpp_lib_as_const 201510L <utility> 29__cpp_lib_associative_heterogeneous_erasure 202110L <map> <set> <unordered_map> 30 <unordered_set> 31__cpp_lib_associative_heterogeneous_insertion 202306L <map> <set> <unordered_map> 32 <unordered_set> 33__cpp_lib_assume_aligned 201811L <memory> 34__cpp_lib_atomic_flag_test 201907L <atomic> 35__cpp_lib_atomic_float 201711L <atomic> 36__cpp_lib_atomic_is_always_lock_free 201603L <atomic> 37__cpp_lib_atomic_lock_free_type_aliases 201907L <atomic> 38__cpp_lib_atomic_ref 201806L <atomic> 39__cpp_lib_atomic_shared_ptr 201711L <atomic> 40__cpp_lib_atomic_value_initialization 201911L <atomic> <memory> 41__cpp_lib_atomic_wait 201907L <atomic> 42__cpp_lib_barrier 201907L <barrier> 43__cpp_lib_bind_back 202306L <functional> 44 202202L // C++23 45__cpp_lib_bind_front 202306L <functional> 46 201907L // C++20 47__cpp_lib_bit_cast 201806L <bit> 48__cpp_lib_bitops 201907L <bit> 49__cpp_lib_bitset 202306L <bitset> 50__cpp_lib_bool_constant 201505L <type_traits> 51__cpp_lib_bounded_array_traits 201902L <type_traits> 52__cpp_lib_boyer_moore_searcher 201603L <functional> 53__cpp_lib_byte 201603L <cstddef> 54__cpp_lib_byteswap 202110L <bit> 55__cpp_lib_char8_t 201907L <atomic> <filesystem> <istream> 56 <limits> <locale> <ostream> 57 <string> <string_view> 58__cpp_lib_chrono 201611L <chrono> 59__cpp_lib_chrono_udls 201304L <chrono> 60__cpp_lib_clamp 201603L <algorithm> 61__cpp_lib_complex_udls 201309L <complex> 62__cpp_lib_concepts 202002L <concepts> 63__cpp_lib_constexpr_algorithms 201806L <algorithm> <utility> 64__cpp_lib_constexpr_bitset 202207L <bitset> 65__cpp_lib_constexpr_charconv 202207L <charconv> 66__cpp_lib_constexpr_cmath 202202L <cmath> <cstdlib> 67__cpp_lib_constexpr_complex 201711L <complex> 68__cpp_lib_constexpr_dynamic_alloc 201907L <memory> 69__cpp_lib_constexpr_functional 201907L <functional> 70__cpp_lib_constexpr_iterator 201811L <iterator> 71__cpp_lib_constexpr_memory 202202L <memory> 72 201811L // C++20 73__cpp_lib_constexpr_numeric 201911L <numeric> 74__cpp_lib_constexpr_string 201907L <string> 75__cpp_lib_constexpr_string_view 201811L <string_view> 76__cpp_lib_constexpr_tuple 201811L <tuple> 77__cpp_lib_constexpr_typeinfo 202106L <typeinfo> 78__cpp_lib_constexpr_utility 201811L <utility> 79__cpp_lib_constexpr_vector 201907L <vector> 80__cpp_lib_copyable_function 202306L <functional> 81__cpp_lib_coroutine 201902L <coroutine> 82__cpp_lib_destroying_delete 201806L <new> 83__cpp_lib_enable_shared_from_this 201603L <memory> 84__cpp_lib_endian 201907L <bit> 85__cpp_lib_erase_if 202002L <deque> <forward_list> <list> 86 <map> <set> <string> 87 <unordered_map> <unordered_set> <vector> 88__cpp_lib_exchange_function 201304L <utility> 89__cpp_lib_execution 201902L <execution> 90 201603L // C++17 91__cpp_lib_expected 202211L <expected> 92__cpp_lib_filesystem 201703L <filesystem> 93__cpp_lib_format 202106L <format> 94__cpp_lib_format_ranges 202207L <format> 95__cpp_lib_formatters 202302L <stacktrace> <thread> 96__cpp_lib_forward_like 202207L <utility> 97__cpp_lib_fstream_native_handle 202306L <fstream> 98__cpp_lib_function_ref 202306L <functional> 99__cpp_lib_gcd_lcm 201606L <numeric> 100__cpp_lib_generic_associative_lookup 201304L <map> <set> 101__cpp_lib_generic_unordered_lookup 201811L <unordered_map> <unordered_set> 102__cpp_lib_hardware_interference_size 201703L <new> 103__cpp_lib_has_unique_object_representations 201606L <type_traits> 104__cpp_lib_hazard_pointer 202306L <hazard_pointer> 105__cpp_lib_hypot 201603L <cmath> 106__cpp_lib_incomplete_container_elements 201505L <forward_list> <list> <vector> 107__cpp_lib_int_pow2 202002L <bit> 108__cpp_lib_integer_comparison_functions 202002L <utility> 109__cpp_lib_integer_sequence 201304L <utility> 110__cpp_lib_integral_constant_callable 201304L <type_traits> 111__cpp_lib_interpolate 201902L <cmath> <numeric> 112__cpp_lib_invoke 201411L <functional> 113__cpp_lib_invoke_r 202106L <functional> 114__cpp_lib_is_aggregate 201703L <type_traits> 115__cpp_lib_is_constant_evaluated 201811L <type_traits> 116__cpp_lib_is_final 201402L <type_traits> 117__cpp_lib_is_invocable 201703L <type_traits> 118__cpp_lib_is_layout_compatible 201907L <type_traits> 119__cpp_lib_is_nothrow_convertible 201806L <type_traits> 120__cpp_lib_is_null_pointer 201309L <type_traits> 121__cpp_lib_is_pointer_interconvertible 201907L <type_traits> 122__cpp_lib_is_scoped_enum 202011L <type_traits> 123__cpp_lib_is_swappable 201603L <type_traits> 124__cpp_lib_jthread 201911L <stop_token> <thread> 125__cpp_lib_latch 201907L <latch> 126__cpp_lib_launder 201606L <new> 127__cpp_lib_list_remove_return_type 201806L <forward_list> <list> 128__cpp_lib_logical_traits 201510L <type_traits> 129__cpp_lib_make_from_tuple 201606L <tuple> 130__cpp_lib_make_reverse_iterator 201402L <iterator> 131__cpp_lib_make_unique 201304L <memory> 132__cpp_lib_map_try_emplace 201411L <map> 133__cpp_lib_math_constants 201907L <numbers> 134__cpp_lib_math_special_functions 201603L <cmath> 135__cpp_lib_mdspan 202207L <mdspan> 136__cpp_lib_memory_resource 201603L <memory_resource> 137__cpp_lib_move_iterator_concept 202207L <iterator> 138__cpp_lib_move_only_function 202110L <functional> 139__cpp_lib_node_extract 201606L <map> <set> <unordered_map> 140 <unordered_set> 141__cpp_lib_nonmember_container_access 201411L <array> <deque> <forward_list> 142 <iterator> <list> <map> 143 <regex> <set> <string> 144 <unordered_map> <unordered_set> <vector> 145__cpp_lib_not_fn 201603L <functional> 146__cpp_lib_null_iterators 201304L <iterator> 147__cpp_lib_optional 202110L <optional> 148 201606L // C++17 149__cpp_lib_out_ptr 202106L <memory> 150__cpp_lib_parallel_algorithm 201603L <algorithm> <numeric> 151__cpp_lib_polymorphic_allocator 201902L <memory_resource> 152__cpp_lib_print 202207L <ostream> <print> 153__cpp_lib_quoted_string_io 201304L <iomanip> 154__cpp_lib_ranges 202207L <algorithm> <functional> <iterator> 155 <memory> <ranges> 156__cpp_lib_ranges_as_rvalue 202207L <ranges> 157__cpp_lib_ranges_chunk 202202L <ranges> 158__cpp_lib_ranges_chunk_by 202202L <ranges> 159__cpp_lib_ranges_iota 202202L <numeric> 160__cpp_lib_ranges_join_with 202202L <ranges> 161__cpp_lib_ranges_repeat 202207L <ranges> 162__cpp_lib_ranges_slide 202202L <ranges> 163__cpp_lib_ranges_starts_ends_with 202106L <algorithm> 164__cpp_lib_ranges_to_container 202202L <deque> <forward_list> <list> 165 <map> <queue> <ranges> 166 <set> <stack> <string> 167 <unordered_map> <unordered_set> <vector> 168__cpp_lib_ranges_zip 202110L <ranges> <tuple> <utility> 169__cpp_lib_ratio 202306L <ratio> 170__cpp_lib_raw_memory_algorithms 201606L <memory> 171__cpp_lib_rcu 202306L <rcu> 172__cpp_lib_reference_from_temporary 202202L <type_traits> 173__cpp_lib_remove_cvref 201711L <type_traits> 174__cpp_lib_result_of_sfinae 201210L <functional> <type_traits> 175__cpp_lib_robust_nonmodifying_seq_ops 201304L <algorithm> 176__cpp_lib_sample 201603L <algorithm> 177__cpp_lib_scoped_lock 201703L <mutex> 178__cpp_lib_semaphore 201907L <semaphore> 179__cpp_lib_shared_mutex 201505L <shared_mutex> 180__cpp_lib_shared_ptr_arrays 201707L <memory> 181 201611L // C++17 182__cpp_lib_shared_ptr_weak_type 201606L <memory> 183__cpp_lib_shared_timed_mutex 201402L <shared_mutex> 184__cpp_lib_shift 201806L <algorithm> 185__cpp_lib_smart_ptr_for_overwrite 202002L <memory> 186__cpp_lib_smart_ptr_owner_equality 202306L <memory> 187__cpp_lib_source_location 201907L <source_location> 188__cpp_lib_span 202002L <span> 189__cpp_lib_spanstream 202106L <spanstream> 190__cpp_lib_ssize 201902L <iterator> 191__cpp_lib_sstream_from_string_view 202306L <sstream> 192__cpp_lib_stacktrace 202011L <stacktrace> 193__cpp_lib_starts_ends_with 201711L <string> <string_view> 194__cpp_lib_stdatomic_h 202011L <stdatomic.h> 195__cpp_lib_string_contains 202011L <string> <string_view> 196__cpp_lib_string_resize_and_overwrite 202110L <string> 197__cpp_lib_string_udls 201304L <string> 198__cpp_lib_string_view 201803L <string> <string_view> 199 201606L // C++17 200__cpp_lib_submdspan 202306L <mdspan> 201__cpp_lib_syncbuf 201803L <syncstream> 202__cpp_lib_text_encoding 202306L <text_encoding> 203__cpp_lib_three_way_comparison 201907L <compare> 204__cpp_lib_to_address 201711L <memory> 205__cpp_lib_to_array 201907L <array> 206__cpp_lib_to_chars 201611L <charconv> 207__cpp_lib_to_string 202306L <string> 208__cpp_lib_to_underlying 202102L <utility> 209__cpp_lib_transformation_trait_aliases 201304L <type_traits> 210__cpp_lib_transparent_operators 201510L <functional> <memory> 211 201210L // C++14 212__cpp_lib_tuple_element_t 201402L <tuple> 213__cpp_lib_tuples_by_type 201304L <tuple> <utility> 214__cpp_lib_type_identity 201806L <type_traits> 215__cpp_lib_type_trait_variable_templates 201510L <type_traits> 216__cpp_lib_uncaught_exceptions 201411L <exception> 217__cpp_lib_unordered_map_try_emplace 201411L <unordered_map> 218__cpp_lib_unreachable 202202L <utility> 219__cpp_lib_unwrap_ref 201811L <functional> 220__cpp_lib_variant 202102L <variant> 221__cpp_lib_void_t 201411L <type_traits> 222__cpp_lib_within_lifetime 202306L <type_traits> 223 224*/ 225 226#include <__assert> // all public C++ headers provide the assertion handler 227#include <__config> 228 229#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 230# pragma GCC system_header 231#endif 232 233// clang-format off 234 235#if _LIBCPP_STD_VER >= 14 236# define __cpp_lib_chrono_udls 201304L 237# define __cpp_lib_complex_udls 201309L 238# define __cpp_lib_exchange_function 201304L 239# define __cpp_lib_generic_associative_lookup 201304L 240# define __cpp_lib_integer_sequence 201304L 241# define __cpp_lib_integral_constant_callable 201304L 242# define __cpp_lib_is_final 201402L 243# define __cpp_lib_is_null_pointer 201309L 244# define __cpp_lib_make_reverse_iterator 201402L 245# define __cpp_lib_make_unique 201304L 246# define __cpp_lib_null_iterators 201304L 247# define __cpp_lib_quoted_string_io 201304L 248# define __cpp_lib_result_of_sfinae 201210L 249# define __cpp_lib_robust_nonmodifying_seq_ops 201304L 250# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_HAS_NO_SHARED_MUTEX) 251# define __cpp_lib_shared_timed_mutex 201402L 252# endif 253# define __cpp_lib_string_udls 201304L 254# define __cpp_lib_transformation_trait_aliases 201304L 255# define __cpp_lib_transparent_operators 201210L 256# define __cpp_lib_tuple_element_t 201402L 257# define __cpp_lib_tuples_by_type 201304L 258#endif 259 260#if _LIBCPP_STD_VER >= 17 261# define __cpp_lib_addressof_constexpr 201603L 262# define __cpp_lib_allocator_traits_is_always_equal 201411L 263# define __cpp_lib_any 201606L 264# define __cpp_lib_apply 201603L 265# define __cpp_lib_array_constexpr 201603L 266# define __cpp_lib_as_const 201510L 267# define __cpp_lib_atomic_is_always_lock_free 201603L 268# define __cpp_lib_bool_constant 201505L 269# define __cpp_lib_boyer_moore_searcher 201603L 270# define __cpp_lib_byte 201603L 271# define __cpp_lib_chrono 201611L 272# define __cpp_lib_clamp 201603L 273# define __cpp_lib_enable_shared_from_this 201603L 274// # define __cpp_lib_execution 201603L 275# if !defined(_LIBCPP_AVAILABILITY_HAS_NO_FILESYSTEM_LIBRARY) 276# define __cpp_lib_filesystem 201703L 277# endif 278# define __cpp_lib_gcd_lcm 201606L 279# if defined(__GCC_DESTRUCTIVE_SIZE) && defined(__GCC_CONSTRUCTIVE_SIZE) 280# define __cpp_lib_hardware_interference_size 201703L 281# endif 282# define __cpp_lib_has_unique_object_representations 201606L 283# define __cpp_lib_hypot 201603L 284# define __cpp_lib_incomplete_container_elements 201505L 285# define __cpp_lib_invoke 201411L 286# define __cpp_lib_is_aggregate 201703L 287# define __cpp_lib_is_invocable 201703L 288# define __cpp_lib_is_swappable 201603L 289# define __cpp_lib_launder 201606L 290# define __cpp_lib_logical_traits 201510L 291# define __cpp_lib_make_from_tuple 201606L 292# define __cpp_lib_map_try_emplace 201411L 293// # define __cpp_lib_math_special_functions 201603L 294# if !defined(_LIBCPP_AVAILABILITY_HAS_NO_PMR) 295# define __cpp_lib_memory_resource 201603L 296# endif 297# define __cpp_lib_node_extract 201606L 298# define __cpp_lib_nonmember_container_access 201411L 299# define __cpp_lib_not_fn 201603L 300# define __cpp_lib_optional 201606L 301// # define __cpp_lib_parallel_algorithm 201603L 302# define __cpp_lib_raw_memory_algorithms 201606L 303# define __cpp_lib_sample 201603L 304# define __cpp_lib_scoped_lock 201703L 305# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_HAS_NO_SHARED_MUTEX) 306# define __cpp_lib_shared_mutex 201505L 307# endif 308# define __cpp_lib_shared_ptr_arrays 201611L 309# define __cpp_lib_shared_ptr_weak_type 201606L 310# define __cpp_lib_string_view 201606L 311// # define __cpp_lib_to_chars 201611L 312# undef __cpp_lib_transparent_operators 313# define __cpp_lib_transparent_operators 201510L 314# define __cpp_lib_type_trait_variable_templates 201510L 315# define __cpp_lib_uncaught_exceptions 201411L 316# define __cpp_lib_unordered_map_try_emplace 201411L 317# define __cpp_lib_variant 202102L 318# define __cpp_lib_void_t 201411L 319#endif 320 321#if _LIBCPP_STD_VER >= 20 322# undef __cpp_lib_array_constexpr 323# define __cpp_lib_array_constexpr 201811L 324# define __cpp_lib_assume_aligned 201811L 325# define __cpp_lib_atomic_flag_test 201907L 326// # define __cpp_lib_atomic_float 201711L 327# define __cpp_lib_atomic_lock_free_type_aliases 201907L 328// # define __cpp_lib_atomic_ref 201806L 329// # define __cpp_lib_atomic_shared_ptr 201711L 330# define __cpp_lib_atomic_value_initialization 201911L 331# if !defined(_LIBCPP_AVAILABILITY_HAS_NO_SYNC) 332# define __cpp_lib_atomic_wait 201907L 333# endif 334# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_HAS_NO_SYNC) 335# define __cpp_lib_barrier 201907L 336# endif 337# define __cpp_lib_bind_front 201907L 338# define __cpp_lib_bit_cast 201806L 339# define __cpp_lib_bitops 201907L 340# define __cpp_lib_bounded_array_traits 201902L 341# if !defined(_LIBCPP_HAS_NO_CHAR8_T) 342# define __cpp_lib_char8_t 201907L 343# endif 344# define __cpp_lib_concepts 202002L 345# define __cpp_lib_constexpr_algorithms 201806L 346# define __cpp_lib_constexpr_complex 201711L 347# define __cpp_lib_constexpr_dynamic_alloc 201907L 348# define __cpp_lib_constexpr_functional 201907L 349# define __cpp_lib_constexpr_iterator 201811L 350# define __cpp_lib_constexpr_memory 201811L 351# define __cpp_lib_constexpr_numeric 201911L 352# define __cpp_lib_constexpr_string 201907L 353# define __cpp_lib_constexpr_string_view 201811L 354# define __cpp_lib_constexpr_tuple 201811L 355# define __cpp_lib_constexpr_utility 201811L 356# define __cpp_lib_constexpr_vector 201907L 357# define __cpp_lib_coroutine 201902L 358# if _LIBCPP_STD_VER >= 20 && defined(__cpp_impl_destroying_delete) && __cpp_impl_destroying_delete >= 201806L 359# define __cpp_lib_destroying_delete 201806L 360# endif 361# define __cpp_lib_endian 201907L 362# define __cpp_lib_erase_if 202002L 363# undef __cpp_lib_execution 364// # define __cpp_lib_execution 201902L 365// # define __cpp_lib_format 202106L 366# define __cpp_lib_generic_unordered_lookup 201811L 367# define __cpp_lib_int_pow2 202002L 368# define __cpp_lib_integer_comparison_functions 202002L 369# define __cpp_lib_interpolate 201902L 370# define __cpp_lib_is_constant_evaluated 201811L 371// # define __cpp_lib_is_layout_compatible 201907L 372# define __cpp_lib_is_nothrow_convertible 201806L 373// # define __cpp_lib_is_pointer_interconvertible 201907L 374# if !defined(_LIBCPP_HAS_NO_THREADS) 375// # define __cpp_lib_jthread 201911L 376# endif 377# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_HAS_NO_SYNC) 378# define __cpp_lib_latch 201907L 379# endif 380# define __cpp_lib_list_remove_return_type 201806L 381# define __cpp_lib_math_constants 201907L 382# define __cpp_lib_move_iterator_concept 202207L 383# if !defined(_LIBCPP_AVAILABILITY_HAS_NO_PMR) 384# define __cpp_lib_polymorphic_allocator 201902L 385# endif 386# define __cpp_lib_ranges 202207L 387# define __cpp_lib_remove_cvref 201711L 388# if !defined(_LIBCPP_HAS_NO_THREADS) && !defined(_LIBCPP_AVAILABILITY_HAS_NO_SYNC) 389# define __cpp_lib_semaphore 201907L 390# endif 391# undef __cpp_lib_shared_ptr_arrays 392# define __cpp_lib_shared_ptr_arrays 201707L 393# define __cpp_lib_shift 201806L 394// # define __cpp_lib_smart_ptr_for_overwrite 202002L 395# if __has_builtin(__builtin_source_location) && !(defined(_LIBCPP_APPLE_CLANG_VER) && _LIBCPP_APPLE_CLANG_VER <= 1403) 396# define __cpp_lib_source_location 201907L 397# endif 398# define __cpp_lib_span 202002L 399# define __cpp_lib_ssize 201902L 400# define __cpp_lib_starts_ends_with 201711L 401# undef __cpp_lib_string_view 402# define __cpp_lib_string_view 201803L 403// # define __cpp_lib_syncbuf 201803L 404// # define __cpp_lib_three_way_comparison 201907L 405# define __cpp_lib_to_address 201711L 406# define __cpp_lib_to_array 201907L 407# define __cpp_lib_type_identity 201806L 408# define __cpp_lib_unwrap_ref 201811L 409#endif 410 411#if _LIBCPP_STD_VER >= 23 412# define __cpp_lib_adaptor_iterator_pair_constructor 202106L 413# define __cpp_lib_allocate_at_least 202106L 414// # define __cpp_lib_associative_heterogeneous_erasure 202110L 415// # define __cpp_lib_bind_back 202202L 416# define __cpp_lib_byteswap 202110L 417# define __cpp_lib_constexpr_bitset 202207L 418# define __cpp_lib_constexpr_charconv 202207L 419// # define __cpp_lib_constexpr_cmath 202202L 420# undef __cpp_lib_constexpr_memory 421# define __cpp_lib_constexpr_memory 202202L 422# define __cpp_lib_constexpr_typeinfo 202106L 423# define __cpp_lib_expected 202211L 424# define __cpp_lib_format_ranges 202207L 425// # define __cpp_lib_formatters 202302L 426# define __cpp_lib_forward_like 202207L 427# define __cpp_lib_invoke_r 202106L 428# define __cpp_lib_is_scoped_enum 202011L 429// # define __cpp_lib_mdspan 202207L 430// # define __cpp_lib_move_only_function 202110L 431# undef __cpp_lib_optional 432# define __cpp_lib_optional 202110L 433// # define __cpp_lib_out_ptr 202106L 434// # define __cpp_lib_print 202207L 435# define __cpp_lib_ranges_as_rvalue 202207L 436// # define __cpp_lib_ranges_chunk 202202L 437// # define __cpp_lib_ranges_chunk_by 202202L 438// # define __cpp_lib_ranges_iota 202202L 439// # define __cpp_lib_ranges_join_with 202202L 440# define __cpp_lib_ranges_repeat 202207L 441// # define __cpp_lib_ranges_slide 202202L 442// # define __cpp_lib_ranges_starts_ends_with 202106L 443# define __cpp_lib_ranges_to_container 202202L 444// # define __cpp_lib_ranges_zip 202110L 445// # define __cpp_lib_reference_from_temporary 202202L 446// # define __cpp_lib_spanstream 202106L 447// # define __cpp_lib_stacktrace 202011L 448# define __cpp_lib_stdatomic_h 202011L 449# define __cpp_lib_string_contains 202011L 450# define __cpp_lib_string_resize_and_overwrite 202110L 451// # define __cpp_lib_to_string 202306L 452# define __cpp_lib_to_underlying 202102L 453# define __cpp_lib_unreachable 202202L 454#endif 455 456#if _LIBCPP_STD_VER >= 26 457// # define __cpp_lib_associative_heterogeneous_insertion 202306L 458# undef __cpp_lib_bind_back 459// # define __cpp_lib_bind_back 202306L 460# undef __cpp_lib_bind_front 461# define __cpp_lib_bind_front 202306L 462// # define __cpp_lib_bitset 202306L 463// # define __cpp_lib_copyable_function 202306L 464// # define __cpp_lib_fstream_native_handle 202306L 465// # define __cpp_lib_function_ref 202306L 466// # define __cpp_lib_hazard_pointer 202306L 467# define __cpp_lib_ratio 202306L 468// # define __cpp_lib_rcu 202306L 469// # define __cpp_lib_smart_ptr_owner_equality 202306L 470// # define __cpp_lib_sstream_from_string_view 202306L 471// # define __cpp_lib_submdspan 202306L 472// # define __cpp_lib_text_encoding 202306L 473// # define __cpp_lib_within_lifetime 202306L 474#endif 475 476// clang-format on 477 478#endif // _LIBCPP_VERSIONH 479