库特性测试宏 (C++20 起)

来自cppreference.com
< cpp‎ | utility


 
C++
 
工具库
语言支持
类型支持（基本类型、RTTI）
库功能特性测试宏 (C++20)
动态内存管理
程序工具
协程支持 (C++20)
变参数函数
(C++20)
(C++26)
(C++11)
(C++20)
调试支持
(C++26)
(C++26)
(C++26)
三路比较
(C++20)(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)   
(C++20)(C++20)(C++20)
(C++20)(C++20)(C++20)
通用工具
日期和时间
函数对象
格式化库 (C++20)
(C++11)
关系运算符 (C++20 中弃用)
整数比较函数
(C++20)(C++20)(C++20)   
(C++20)
交换与类型运算
(C++20)
(C++14)
(C++11)
(C++23)
(C++11)
(C++23)
(C++11)
(C++11)
(C++17)
常用词汇类型
(C++11)
(C++17)
(C++17)
(C++17)
(C++11)
(C++11)
(C++17)
(C++17)
(C++23)
初等字符串转换
(C++17)
(C++17)
(C++17)

 

若包含头文件 <version> 或指定于表中的头文件之一，则定义对应的宏。

宏名 值 头文件 独立
__cpp_lib_adaptor_iterator_pair_constructor 202106L <stack> <queue>
__cpp_lib_addressof_constexpr 201603L <memory> 是
__cpp_lib_algorithm_default_value_type 202403L <algorithm> <ranges> <string> <deque> <list> <forward_list> <vector>
__cpp_lib_algorithm_iterator_requirements 202207L <algorithm> <numeric> <memory>
__cpp_lib_allocate_at_least 202302L <memory>
__cpp_lib_allocator_traits_is_always_equal 201411L <memory> <scoped_allocator> <string> <deque> <forward_list> <list> <vector> <map> <set> <unordered_map> <unordered_set> 是
__cpp_lib_any 201606L <any>
__cpp_lib_apply 201603L <tuple> 是
__cpp_lib_array_constexpr 201811L <iterator> <array>
__cpp_lib_as_const 201510L <utility> 是
__cpp_lib_associative_heterogeneous_erasure 202110L <map> <set> <unordered_map> <unordered_set>
__cpp_lib_associative_heterogeneous_insertion 202306L <map> <set> <unordered_map> <unordered_set>
__cpp_lib_assume_aligned 201811L <memory> 是
__cpp_lib_atomic_flag_test 201907L <atomic> 是
__cpp_lib_atomic_float 201711L <atomic> 是
__cpp_lib_atomic_is_always_lock_free 201603L <atomic> 是
__cpp_lib_atomic_lock_free_type_aliases 201907L <atomic>
__cpp_lib_atomic_min_max 202403L <atomic> 是
__cpp_lib_atomic_ref 201806L <atomic> 是
__cpp_lib_atomic_shared_ptr 201711L <memory>
__cpp_lib_atomic_value_initialization 201911L <atomic> <memory> 是
__cpp_lib_atomic_wait 201907L <atomic> 是
__cpp_lib_barrier 202302L <barrier>
__cpp_lib_bind_back 202306L <functional> 是
__cpp_lib_bind_front 202306L <functional> 是
__cpp_lib_bit_cast 201806L <bit> 是
__cpp_lib_bitops 201907L <bit> 是
__cpp_lib_bitset 202306L <bitset>
__cpp_lib_bool_constant 201505L <type_traits> 是
__cpp_lib_bounded_array_traits 201902L <type_traits> 是
__cpp_lib_boyer_moore_searcher 201603L <functional>
__cpp_lib_byte 201603L <cstddef> 是
__cpp_lib_byteswap 202110L <bit> 是
__cpp_lib_char8_t 201907L <atomic> <filesystem> <istream> <limits> <locale> <ostream> <string> <string_view> 是
__cpp_lib_chrono 202306L <chrono>
__cpp_lib_chrono_udls 201304L <chrono>
__cpp_lib_clamp 201603L <algorithm>
__cpp_lib_common_reference 202302L <type_traits>
__cpp_lib_common_reference_wrapper 202302L <functional>
__cpp_lib_complex_udls 201309L <complex>
__cpp_lib_concepts 202207L <concepts> <compare> 是
__cpp_lib_constexpr_algorithms 202306L <algorithm> <utility>
__cpp_lib_constexpr_bitset 202207L <bitset>
__cpp_lib_constexpr_charconv 202207L <charconv>
__cpp_lib_constexpr_cmath 202306L <cmath> <cstdlib>
__cpp_lib_constexpr_complex 202306L <complex>
__cpp_lib_constexpr_dynamic_alloc 201907L <memory>
__cpp_lib_constexpr_functional 201907L <functional> 是
__cpp_lib_constexpr_iterator 201811L <iterator> 是
__cpp_lib_constexpr_memory 202202L <memory> 是
__cpp_lib_constexpr_new 202406L <new> 是
__cpp_lib_constexpr_numeric 201911L <numeric>
__cpp_lib_constexpr_string 201907L <string>
__cpp_lib_constexpr_string_view 201811L <string_view>
__cpp_lib_constexpr_tuple 201811L <tuple> 是
__cpp_lib_constexpr_typeinfo 202106L <typeinfo> 是
__cpp_lib_constexpr_utility 201811L <utility> 是
__cpp_lib_constexpr_vector 201907L <vector>
__cpp_lib_constrained_equality 202403L <utility> <tuple> <optional> <variant> 是
__cpp_lib_containers_ranges 202202L <vector> <list> <forward_list> <map> <set> <unordered_map> <unordered_set> <deque> <queue> <stack> <string>
__cpp_lib_copyable_function 202306L <functional>
__cpp_lib_coroutine 201902L <coroutine>
__cpp_lib_debugging 202403L <debugging> 是
__cpp_lib_destroying_delete 201806L <new> 是
__cpp_lib_enable_shared_from_this 201603L <memory>
__cpp_lib_endian 201907L <bit> 是
__cpp_lib_erase_if 202002L <string> <deque> <forward_list> <list> <vector> <map> <set> <unordered_map> <unordered_set>
__cpp_lib_exchange_function 201304L <utility> 是
__cpp_lib_execution 201902L <execution>
__cpp_lib_expected 202211L <expected>
__cpp_lib_filesystem 201703L <filesystem>
__cpp_lib_flat_map 202207L <flat_map>
__cpp_lib_flat_set 202207L <flat_set>
__cpp_lib_format 202311L <format>
__cpp_lib_format_ranges 202207L <format>
__cpp_lib_format_path 202403L <filesystem>
__cpp_lib_format_uchar 202311L <format>
__cpp_lib_formatters 202302L <stacktrace> <thread>
__cpp_lib_forward_like 202207L <utility> 是
__cpp_lib_freestanding_algorithm 202311L <algorithm> 是
__cpp_lib_freestanding_array 202311L <array> 是
__cpp_lib_freestanding_char_traits 202306L <string> 是
__cpp_lib_freestanding_charconv 202306L <charconv> 是
__cpp_lib_freestanding_cstdlib 202306L <cstdlib> <cmath> 是
__cpp_lib_freestanding_cstring 202311L <cstring> 是
__cpp_lib_freestanding_cwchar 202306L <cwchar> 是
__cpp_lib_freestanding_errc 202306L <cerrno> <system_error> 是
__cpp_lib_freestanding_expected 202311L <expected> 是
__cpp_lib_freestanding_feature_test_macros 202306L 是
__cpp_lib_freestanding_functional 202306L <functional> 是
__cpp_lib_freestanding_iterator 202306L <iterator> 是
__cpp_lib_freestanding_mdspan 202311L <mdspan> 是
__cpp_lib_freestanding_memory 202306L <memory> 是
__cpp_lib_freestanding_numeric 202311L <numeric> 是
__cpp_lib_freestanding_optional 202311L <optional> 是
__cpp_lib_freestanding_ranges 202306L <ranges> 是
__cpp_lib_freestanding_ratio 202306L <ratio> 是
__cpp_lib_freestanding_string_view 202311L <string_view> 是
__cpp_lib_freestanding_tuple 202306L <tuple> 是
__cpp_lib_freestanding_utility 202306L <utility> 是
__cpp_lib_freestanding_variant 202311L <variant> 是
__cpp_lib_fstream_native_handle 202306L <fstream>
__cpp_lib_function_ref 202306L <functional>
__cpp_lib_gcd_lcm 201606L <numeric>
__cpp_lib_generator 202207L <generator>
__cpp_lib_generic_associative_lookup 201304L <map> <set>
__cpp_lib_generic_unordered_lookup 201811L <unordered_map> <unordered_set>
__cpp_lib_hardware_interference_size 201703L <new> 是
__cpp_lib_has_unique_object_representations 201606L <type_traits> 是
__cpp_lib_hazard_pointer 202306L <hazard_pointer>
__cpp_lib_hypot 201603L <cmath>
__cpp_lib_incomplete_container_elements 201505L <forward_list> <list> <vector>
__cpp_lib_inplace_vector 202406L <inplace_vector>
__cpp_lib_int_pow2 202002L <bit> 是
__cpp_lib_integer_comparison_functions 202002L <utility>
__cpp_lib_integer_sequence 201304L <utility> 是
__cpp_lib_integral_constant_callable 201304L <type_traits> 是
__cpp_lib_interpolate 201902L <cmath> <numeric>
__cpp_lib_invoke 201411L <functional> 是
__cpp_lib_invoke_r 202106L <functional> 是
__cpp_lib_ios_noreplace 202207L <ios>
__cpp_lib_is_aggregate 201703L <type_traits> 是
__cpp_lib_is_constant_evaluated 201811L <type_traits> 是
__cpp_lib_is_final 201402L <type_traits> 是
__cpp_lib_is_implicit_lifetime 202302L <type_traits>
__cpp_lib_is_invocable 201703L <type_traits> 是
__cpp_lib_is_layout_compatible 201907L <type_traits> 是
__cpp_lib_is_nothrow_convertible 201806L <type_traits> 是
__cpp_lib_is_null_pointer 201309L <type_traits> 是
__cpp_lib_is_pointer_interconvertible 201907L <type_traits> 是
__cpp_lib_is_scoped_enum 202011L <type_traits> 是
__cpp_lib_is_swappable 201603L <type_traits> 是
__cpp_lib_is_virtual_base_of 202406L <type_traits>
__cpp_lib_is_within_lifetime 202306L <type_traits>
__cpp_lib_jthread 201911L <stop_token> <thread>
__cpp_lib_latch 201907L <latch>
__cpp_lib_launder 201606L <new> 是
__cpp_lib_linalg 202311L <linalg>
__cpp_lib_list_remove_return_type 201806L <forward_list> <list>
__cpp_lib_logical_traits 201510L <type_traits> 是
__cpp_lib_make_from_tuple 201606L <tuple> 是
__cpp_lib_make_reverse_iterator 201402L <iterator> 是
__cpp_lib_make_unique 201304L <memory>
__cpp_lib_map_try_emplace 201411L <map>
__cpp_lib_math_constants 201907L <numbers>
__cpp_lib_math_special_functions 201603L <cmath>
__cpp_lib_mdspan 202406L <mdspan>
__cpp_lib_memory_resource 201603L <memory_resource>
__cpp_lib_modules 202207L 是
__cpp_lib_move_iterator_concept 202207L <iterator> 是
__cpp_lib_move_only_function 202110L <functional>
__cpp_lib_node_extract 201606L <map> <set> <unordered_map> <unordered_set>
__cpp_lib_nonmember_container_access 201411L <array> <deque> <forward_list> <iterator> <list> <map> <regex> <set> <string> <unordered_map> <unordered_set> <vector> 是
__cpp_lib_not_fn 202306L <functional> 是
__cpp_lib_null_iterators 201304L <iterator> 是
__cpp_lib_optional 202110L <optional>
__cpp_lib_optional_range_support 202406L <optional> 是
__cpp_lib_out_ptr 202311L <memory> 是
__cpp_lib_parallel_algorithm 201603L <algorithm> <numeric>
__cpp_lib_philox_engine 202406L <random>
__cpp_lib_polymorphic_allocator 201902L <memory_resource>
__cpp_lib_print 202406L <print> <ostream>
__cpp_lib_quoted_string_io 201304L <iomanip>
__cpp_lib_ranges 202406L <algorithm> <functional> <iterator> <memory> <ranges>
__cpp_lib_ranges_as_const 202311L <ranges> 是
__cpp_lib_ranges_as_rvalue 202207L <ranges> 是
__cpp_lib_ranges_cartesian_product 202207L <ranges> 是
__cpp_lib_ranges_chunk 202202L <ranges> 是
__cpp_lib_ranges_chunk_by 202202L <ranges> 是
__cpp_lib_ranges_concat 202403L <ranges> 是
__cpp_lib_ranges_contains 202207L <algorithm>
__cpp_lib_ranges_enumerate 202302L <ranges>
__cpp_lib_ranges_find_last 202207L <algorithm>
__cpp_lib_ranges_fold 202207L <algorithm>
__cpp_lib_ranges_generate_random 202403L <random>
__cpp_lib_ranges_iota 202202L <numeric>
__cpp_lib_ranges_join_with 202202L <ranges> 是
__cpp_lib_ranges_repeat 202207L <ranges> 是
__cpp_lib_ranges_slide 202202L <ranges> 是
__cpp_lib_ranges_starts_ends_with 202106L <algorithm>
__cpp_lib_ranges_stride 202207L <ranges> 是
__cpp_lib_ranges_to_container 202202L <ranges> 是
__cpp_lib_ranges_zip 202110L <ranges> <tuple> <utility> 是
__cpp_lib_ratio 202306L <ratio>
__cpp_lib_raw_memory_algorithms 201606L <memory>
__cpp_lib_rcu 202306L <rcu>
__cpp_lib_reference_from_temporary 202202L <type_traits> 是
__cpp_lib_reference_wrapper 202403L <functional> 是
__cpp_lib_remove_cvref 201711L <type_traits> 是
__cpp_lib_result_of_sfinae 201210L <functional> <type_traits> 是
__cpp_lib_robust_nonmodifying_seq_ops 201304L <algorithm>
__cpp_lib_sample 201603L <algorithm>
__cpp_lib_saturation_arithmetic 202311L <numeric>
__cpp_lib_scoped_lock 201703L <mutex>
__cpp_lib_semaphore 201907L <semaphore>
__cpp_lib_senders 202406L <execution>
__cpp_lib_shared_mutex 201505L <shared_mutex>
__cpp_lib_shared_ptr_arrays 201707L <memory>
__cpp_lib_shared_ptr_weak_type 201606L <memory>
__cpp_lib_shared_timed_mutex 201402L <shared_mutex>
__cpp_lib_shift 202202L <algorithm>
__cpp_lib_smart_ptr_for_overwrite 202002L <memory>
__cpp_lib_smart_ptr_owner_equality 202306L <memory>
__cpp_lib_source_location 201907L <source_location> 是
__cpp_lib_span 202311L <span> 是
__cpp_lib_span_initializer_list 202311L <span>
__cpp_lib_spanstream 202106L <spanstream>
__cpp_lib_ssize 201902L <iterator> 是
__cpp_lib_sstream_from_string_view 202306L <sstream>
__cpp_lib_stacktrace 202011L <stacktrace>
__cpp_lib_start_lifetime_as 202207L <memory> 是
__cpp_lib_starts_ends_with 201711L <string> <string_view>
__cpp_lib_stdatomic_h 202011L <stdatomic.h>
__cpp_lib_string_contains 202011L <string> <string_view>
__cpp_lib_string_resize_and_overwrite 202110L <string>
__cpp_lib_string_udls 201304L <string>
__cpp_lib_string_view 202403L <string> <string_view>
__cpp_lib_submdspan 202403L <mdspan>
__cpp_lib_syncbuf 201803L <syncstream>
__cpp_lib_text_encoding 202306L <text_encoding>
__cpp_lib_three_way_comparison 201907L <compare> 是
__cpp_lib_to_address 201711L <memory> 是
__cpp_lib_to_array 201907L <array>
__cpp_lib_to_chars 202306L <charconv>
__cpp_lib_to_string 202306L <string>
__cpp_lib_to_underlying 202102L <utility> 是
__cpp_lib_transformation_trait_aliases 201304L <type_traits> 是
__cpp_lib_transparent_operators 201510L <memory> <functional> 是
__cpp_lib_tuple_element_t 201402L <tuple> 是
__cpp_lib_tuple_like 202311L <utility> <tuple> <map> <unordered_map>
__cpp_lib_tuples_by_type 201304L <utility> <tuple> 是
__cpp_lib_type_identity 201806L <type_traits> 是
__cpp_lib_type_trait_variable_templates 201510L <type_traits> 是
__cpp_lib_uncaught_exceptions 201411L <exception> 是
__cpp_lib_unordered_map_try_emplace 201411L <unordered_map>
__cpp_lib_unreachable 202202L <utility> 是
__cpp_lib_unwrap_ref 201811L <type_traits> 是
__cpp_lib_variant 202306L <variant>
__cpp_lib_void_t 201411L <type_traits> 是
宏的总数量：239

注解

“值”列中的每个值都遵循以下模式："yyyymmL"，其中 "yyyy" 是年份，"mm" 是相应功能集被接受标准化的月份。如果给定特性的功能有所扩展，则某些值会在引入后有所增加。上表仅包含最新值（即来自最新的 C++ 语言标准草案）。包括初始值和中间值在内的所有值可在这里找到。

参阅

功能特性测试 (C++20) 一套预处理器宏，用于测试与 C++ 语言和库功能相对应的功能
来自“https://zh.cppreference.com/mwiki/index.php?title=cpp/utility/feature_test&oldid=92892”