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C++20https://zh.cppreference.com/cpp/compiler_support/20
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[编辑]https://zh.cppreference.com/index.php?title=Template:cpp/compiler_support/29&action=edit
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[编辑]https://zh.cppreference.com/index.php?title=Template:cpp/compiler_support/20&action=edit
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旧标准https://zh.cppreference.com/cpp/compiler_support#旧标准
供应商兼容性检查表https://zh.cppreference.com/cpp/compiler_support/vendors
1 注解https://zh.cppreference.com/cpp/compiler_support#注解
2 C++29 功能特性https://zh.cppreference.com/cpp/compiler_support#C++29_功能特性
3 C++26 功能特性https://zh.cppreference.com/cpp/compiler_support#C++26_功能特性
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3.2 C++26 库功能特性https://zh.cppreference.com/cpp/compiler_support#C++26_库功能特性
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_placeholder_variables
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https://zh.cppreference.com/cpp/header/rcu
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https://zh.cppreference.com/cpp/header/hazard_pointer
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https://zh.cppreference.com/cpp/header/cmath
https://zh.cppreference.com/cpp/header/complex
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_complex
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ratio
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_function_ref
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_copyable_function
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_bind_front
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_bind_back
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_not_fn
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https://zh.cppreference.com/cpp/header/charconv
https://zh.cppreference.com/cpp/header/cstdlib
https://zh.cppreference.com/cpp/header/cstring
https://zh.cppreference.com/cpp/header/cwchar
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_char_traits
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_charconv
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_cstdlib
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_cstring
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_cwchar
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_errc
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调试支持https://zh.cppreference.com/cpp/utility#调试支持
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_debugging
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https://zh.cppreference.com/cpp/header/linalg
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_linalg
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_tuple_like
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_algorithm
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_string_view
P2591R5https://wg21.link/P2591R5
算法https://zh.cppreference.com/cpp/algorithm
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_algorithm_default_value_type
P2248R8https://wg21.link/P2248R8
P3217R0https://wg21.link/P3217R0
P3787R2https://wg21.link/P3787R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_generate_random
P1068R11https://wg21.link/P1068R11
比较https://zh.cppreference.com/cpp/utility/functional/reference_wrapper/operator_cmp
std::pairhttps://zh.cppreference.com/cpp/utility/pair/operator_cmp
std::tuplehttps://zh.cppreference.com/cpp/utility/tuple/operator_cmp
std::optionalhttps://zh.cppreference.com/cpp/utility/optional/operator_cmp
std::varianthttps://zh.cppreference.com/cpp/utility/variant/operator_cmp
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constrained_equality
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_reference_wrapper
P2944R3https://wg21.link/P2944R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_submdspan
P2642R6https://wg21.link/P2642R6
P3029R1https://wg21.link/P3029R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_min_max
P0493R5https://wg21.link/P0493R5
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format_path
P2845R8https://wg21.link/P2845R8
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_print
P3142R0https://wg21.link/P3142R0
P2875R4https://wg21.link/P2875R4
P2867R2https://wg21.link/P2867R2
P2869R4https://wg21.link/P2869R4
P2872R3https://wg21.link/P2872R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_print
P3107R5https://wg21.link/P3107R5
P3235R3https://wg21.link/P3235R3
布置 newhttps://zh.cppreference.com/cpp/language/new#布置_new
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_new
P2747R2https://wg21.link/P2747R2
执行控制库https://zh.cppreference.com/cpp/execution
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_senders
P2300R10https://wg21.link/P2300R10
P3388R3https://wg21.link/P3388R3
P3396R1https://wg21.link/P3396R1
P3433R1https://wg21.link/P3433R1
P3481R5https://wg21.link/P3481R5
P3570R2https://wg21.link/P3570R2
P3682R0https://wg21.link/P3682R0
P3887R1https://wg21.link/P3887R1
执行控制库https://zh.cppreference.com/cpp/execution
P3373R4https://wg21.link/P3373R4
P3826R5https://wg21.link/P3826R5
P3986R1https://wg21.link/P3986R1
P4154R0https://wg21.link/P4154R0
P4159R0https://wg21.link/P4159R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_inplace_vector
P0843R14https://wg21.link/P0843R14
P3981R2https://wg21.link/P3981R2
P4022R0https://wg21.link/P4022R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_philox_engine
P2075R6https://wg21.link/P2075R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_optional_range_support
P3168R2https://wg21.link/P3168R2
P3913R1https://wg21.link/P3913R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_virtual_base_of
P2985R0https://wg21.link/P2985R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_mdspan
P2389R2https://wg21.link/P2389R2
P2968R2https://wg21.link/P2968R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2997R1https://wg21.link/P2997R1
P3247R2https://wg21.link/P3247R2
P3136R1https://wg21.link/P3136R1
std::ranges::cache_latest_viewhttps://zh.cppreference.com/cpp/ranges/cache_latest_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_cache_latest
P3138R5https://wg21.link/P3138R5
相等运算符https://zh.cppreference.com/cpp/utility/expected/operator_cmp
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constrained_equality
P3379R0https://wg21.link/P3379R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_aligned_accessor
P2897R7https://wg21.link/P2897R7
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_sufficiently_aligned
P2897R7https://wg21.link/P2897R7
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_ref
P2835R7https://wg21.link/P2835R7
P3936R1https://wg21.link/P3936R1
P3323R1https://wg21.link/P3323R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_atomic
P3309R3https://wg21.link/P3309R3
特化内存算法https://zh.cppreference.com/cpp/memory#受约束的未初始化内存算法
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_raw_memory_algorithms
P3508R0https://wg21.link/P3508R0
P3369R0https://wg21.link/P3369R0
https://zh.cppreference.com/cpp/header/stdbit.h
https://zh.cppreference.com/cpp/header/stdckdint.h
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_stdbit_h
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_stdckdint_h
P3370R1https://wg21.link/P3370R1
https://zh.cppreference.com/cpp/header/simd
数据并行类型https://zh.cppreference.com/cpp/numeric/simd
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_simd
P1928R15https://wg21.link/P1928R15
P3430R3https://wg21.link/P3430R3
P2876R3https://wg21.link/P2876R3
P3691R1https://wg21.link/P3691R1
P3922R1https://wg21.link/P3922R1
P3690R1https://wg21.link/P3690R1
P3932R0https://wg21.link/P3932R0
P4012R1https://wg21.link/P4012R1
P1928R15https://wg21.link/P1928R15
P3844R4https://wg21.link/P3844R4
执行环境https://zh.cppreference.com/cpp/execution#环境
P3325R5https://wg21.link/P3325R5
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_exceptions
P3068R6https://wg21.link/P3068R6
P3378R2https://wg21.link/P3378R2
P3842R2https://wg21.link/P3842R2
P3441R2https://wg21.link/P3441R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_simd
P2933R4https://wg21.link/P2933R4
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_simd_complex
P3475R1https://wg21.link/P3475R1
std::memory_order::consumehttps://zh.cppreference.com/cpp/atomic/memory_order
P2663R7https://wg21.link/P2663R7
https://zh.cppreference.com/cpp/header/utility
P0472R3https://wg21.link/P0472R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_indirect
P3019R14https://wg21.link/P3019R14
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_polymorphic
P3019R14https://wg21.link/P3019R14
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_deque
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_flat_map
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_flat_set
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_forward_list
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_list
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_map
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_queue
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_set
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_stack
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_unordered_map
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_unordered_set
P3372R3https://wg21.link/P3372R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_inplace_vector
P3074R7https://wg21.link/P3074R7
std::ranges::as_input_viewhttps://zh.cppreference.com/cpp/ranges/as_input_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_as_input
P3828R1https://wg21.link/P3828R1
std::ranges::approximately_sized_rangehttps://zh.cppreference.com/cpp/ranges/approximately_sized_range
std::ranges::reserve_hinthttps://zh.cppreference.com/cpp/ranges/reserve_hint
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_reserve_hint
P2846R6https://wg21.link/P2846R6
https://zh.cppreference.com/cpp/header/hive
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_hive
P0447R28https://wg21.link/P0447R28
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_observable_checkpoint
P1494R5https://wg21.link/P1494R5
P3641R0https://wg21.link/P3641R0
https://zh.cppreference.com/cpp/header/contracts
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_contracts
P2900R14https://wg21.link/P2900R14
P3819R0https://wg21.link/P3819R0
P3471R4https://wg21.link/P3471R4
P3697R1https://wg21.link/P3697R1
P3878R1https://wg21.link/P3878R1
https://zh.cppreference.com/cpp/header/algorithm
https://zh.cppreference.com/cpp/header/execution
https://zh.cppreference.com/cpp/header/memory
https://zh.cppreference.com/cpp/header/numeric
https://zh.cppreference.com/cpp/header/random
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_algorithm
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_execution
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_memory
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_numeric
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_random
P2976R1https://wg21.link/P2976R1
P3349R0https://wg21.link/P3349R0
https://zh.cppreference.com/cpp/header/meta
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_reflection
P2996R13https://wg21.link/P2996R13
P3394R4https://wg21.link/P3394R4
P3293R3https://wg21.link/P3293R3
P3096R12https://wg21.link/P3096R12
P3795R2https://wg21.link/P3795R2
P4156R0https://wg21.link/P4156R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_reflection
P3560R2https://wg21.link/P3560R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_define_static
P3491R3https://wg21.link/P3491R3
P3480R6https://wg21.link/P3480R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_optional
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_freestanding_optional
P2988R12https://wg21.link/P2988R12
P3836R2https://wg21.link/P3836R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_string_subview
P3044R2https://wg21.link/P3044R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_memory
P3037R6https://wg21.link/P3037R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_task
P3552R3https://wg21.link/P3552R3
P3980R1https://wg21.link/P3980R1
P3927R2https://wg21.link/P3927R2
P3941R4https://wg21.link/P3941R4
P4151R1https://wg21.link/P4151R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_counting_scope
P3149R11https://wg21.link/P3149R11
P3815R1https://wg21.link/P3815R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_parallel_scheduler
P2079R10https://wg21.link/P2079R10
P3804R2https://wg21.link/P3804R2
P3557R3https://wg21.link/P3557R3
P3284R4https://wg21.link/P3284R4
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_indices
P3060R3https://wg21.link/P3060R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_parallel_algorithm
P3179R9https://wg21.link/P3179R9
P3709R2https://wg21.link/P3709R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_min_max
P3008R6https://wg21.link/P3008R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_reductions
P3111R8https://wg21.link/P3111R8
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_simd_permutations
P2664R11https://wg21.link/P2664R11
P3383R3https://wg21.link/P3383R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_exception_ptr_cast
P2927R3https://wg21.link/P2927R3
P3748R0https://wg21.link/P3748R0
P3981R2https://wg21.link/P3981R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_type_order
P2830R10https://wg21.link/P2830R10
P3778R0https://wg21.link/P3778R0
P4140R0https://wg21.link/P4140R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constant_wrapper
P2781R9https://wg21.link/P2781R9
P3978R3https://wg21.link/P3978R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_apply
P1317R2https://wg21.link/P1317R2
P3503R3https://wg21.link/P3503R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format_path
P2319R5https://wg21.link/P2319R5
P3223R2https://wg21.link/P3223R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_initializer_list
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_valarray
P3016R6https://wg21.link/P3016R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_flat_map
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_flat_set
P3567R2https://wg21.link/P3567R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_integer_sequence
P1789R3https://wg21.link/P1789R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_format
P3391R2https://wg21.link/P3391R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_start_lifetime
P3726R2https://wg21.link/P3726R2
结构式类型https://zh.cppreference.com/cpp/language/template_parameters
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_structural
P3856R8https://wg21.link/P3856R8
P3948R1https://wg21.link/P3948R1
P4037R1https://wg21.link/P4037R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_replaceable_contract_violation_handler
P3886R0https://wg21.link/P3886R0
P3059R2https://wg21.link/P3059R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_filter
P3725R3https://wg21.link/P3725R3
[编辑]https://zh.cppreference.com/index.php?title=Template:cpp/compiler_support/23&action=edit
size_thttps://zh.cppreference.com/cpp/types/size_t
字面量后缀https://zh.cppreference.com/cpp/language/integer_literal#字面量的类型
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_size_t_suffix
P0330R8https://wg21.link/P0330R8
lambdahttps://zh.cppreference.com/cpp/language/lambda
P1102R2https://wg21.link/P1102R2
if constevalhttps://zh.cppreference.com/cpp/language/if#consteval_if
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_if_consteval
P1938R3https://wg21.link/P1938R3
P2186R2https://wg21.link/P2186R2
static_asserthttps://zh.cppreference.com/cpp/language/static_assert
constexpr ifhttps://zh.cppreference.com/cpp/language/if#Constexpr_if
P1401R5https://wg21.link/P1401R5
P2223R2https://wg21.link/P2223R2
P1847R4https://wg21.link/P1847R4
拼接https://zh.cppreference.com/cpp/language/string_literal#拼接
P2201R1https://wg21.link/P2201R1
显式对象成员函数https://zh.cppreference.com/cpp/language/member_functions#显式对象成员函数
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_explicit_this_parameter
P0847R7https://wg21.link/P0847R7
auto(x) 与 auto{x}https://zh.cppreference.com/cpp/language/explicit_cast
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_auto_cast
P0849R8https://wg21.link/P0849R8
#elifdef 与 #elifndefhttps://zh.cppreference.com/cpp/preprocessor/conditional
P2334R1https://wg21.link/P2334R1
constexprhttps://zh.cppreference.com/cpp/language/constexpr
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_constexpr
P2242R3https://wg21.link/P2242R3
P2316R2https://wg21.link/P2316R2
字符集与编码https://zh.cppreference.com/cpp/language/charset
P2314R4https://wg21.link/P2314R4
for 循环https://zh.cppreference.com/cpp/language/for#语法
别名声明https://zh.cppreference.com/cpp/language/type_alias
P2360R0https://wg21.link/P2360R0
下标运算符https://zh.cppreference.com/cpp/language/operators#数组下标运算符
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_multidimensional_subscript
P2128R6https://wg21.link/P2128R6
lambdahttps://zh.cppreference.com/cpp/language/lambda
P2173R1https://wg21.link/P2173R1
#warninghttps://zh.cppreference.com/cpp/preprocessor/error
P2437R1https://wg21.link/P2437R1
P2362R3https://wg21.link/P2362R3
P2324R2https://wg21.link/P2324R2
划线的转义序列https://zh.cppreference.com/cpp/language/escape
P2290R3https://wg21.link/P2290R3
命名的通用转义字符https://zh.cppreference.com/cpp/language/escape#命名的通用转义字符
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_named_character_escapes
P2071R2https://wg21.link/P2071R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_constexpr
P2448R2https://wg21.link/P2448R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_implicit_move
P2266R3https://wg21.link/P2266R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_static_call_operator
P1169R4https://wg21.link/P1169R4
扩展浮点数类型https://zh.cppreference.com/cpp/types/floating-point
P1467R9https://wg21.link/P1467R9
P2582R1https://wg21.link/P2582R1
assumehttps://zh.cppreference.com/cpp/language/attributes/assume
P1774R8https://wg21.link/P1774R8
UTF-8 作为一种可移植的源文件编码https://zh.cppreference.com/cpp/language/translation_phases#翻译阶段_1
P2295R6https://wg21.link/P2295R6
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_multidimensional_subscript
P2589R1https://wg21.link/P2589R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_constexpr
P2647R1https://wg21.link/P2647R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_range_based_for
P2644R1https://wg21.link/P2644R1
P2718R0https://wg21.link/P2718R0
CWG2659https://wg21.link/CWG2659
lambdahttps://zh.cppreference.com/cpp/language/lambda#语法
P2036R3https://wg21.link/P2036R3
P2579R0https://wg21.link/P2579R0
P2615R1https://wg21.link/P2615R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_consteval
P2564R3https://wg21.link/P2564R3
P1949R7https://wg21.link/P1949R7
属性https://zh.cppreference.com/cpp/language/attributes#语法
P2156R1https://wg21.link/P2156R1
__cpp_conceptshttps://zh.cppreference.com/cpp/feature_test#语言功能特性
P2493R0https://wg21.link/P2493R0
放宽 wchar_thttps://zh.cppreference.com/cpp/language/types#缺陷报告
P2460R2https://wg21.link/P2460R2
P2280R4https://wg21.link/P2280R4
P2468R2https://wg21.link/P2468R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_char8_t
P2513R4https://wg21.link/P2513R4
诊断指令https://zh.cppreference.com/cpp/preprocessor/error
CWG2518https://wg21.link/CWG2518
栈踪迹库https://zh.cppreference.com/cpp/error#栈踪迹
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_stacktrace
P0881R7https://wg21.link/P0881R7
P2301R1https://wg21.link/P2301R1
https://zh.cppreference.com/cpp/header/stdatomic.h
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_stdatomic_h
P0943R6https://wg21.link/P0943R6
std::is_scoped_enumhttps://zh.cppreference.com/cpp/types/is_scoped_enum
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_scoped_enum
P1048R1https://wg21.link/P1048R1
std::basic_string::contains()https://zh.cppreference.com/cpp/string/basic_string/contains
std::basic_string_view::contains()https://zh.cppreference.com/cpp/string/basic_string_view/contains
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_string_contains
P1679R3https://wg21.link/P1679R3
std::to_underlyinghttps://zh.cppreference.com/cpp/utility/to_underlying
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_to_underlying
P1682R3https://wg21.link/P1682R3
P2212R2https://wg21.link/P2212R2
提供大小反馈https://zh.cppreference.com/cpp/memory/allocator_traits/allocate_at_least
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_allocate_at_least
P0401R6https://wg21.link/P0401R6
https://zh.cppreference.com/cpp/header/spanstream
std::spanhttps://zh.cppreference.com/cpp/container/span
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_spanstream
P0448R4https://wg21.link/P0448R4
std::out_ptr()https://zh.cppreference.com/cpp/memory/out_ptr_t/out_ptr
std::inout_ptr()https://zh.cppreference.com/cpp/memory/inout_ptr_t/inout_ptr
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_out_ptr
P1132R8https://wg21.link/P1132R8
type_info::operator==()https://zh.cppreference.com/cpp/types/type_info/operator_cmp
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_typeinfo
P1328R1https://wg21.link/P1328R1
std::stackhttps://zh.cppreference.com/cpp/container/stack/stack
std::queuehttps://zh.cppreference.com/cpp/container/queue/queue
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_adaptor_iterator_pair_constructor
P1425R4https://wg21.link/P1425R4
P1518R2https://wg21.link/P1518R2
ranges::starts_with()https://zh.cppreference.com/cpp/algorithm/ranges/starts_with
ranges::ends_with()https://zh.cppreference.com/cpp/algorithm/ranges/ends_with
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_starts_ends_with
P1659R3https://wg21.link/P1659R3
basic_stringhttps://zh.cppreference.com/cpp/string/basic_string
basic_string_viewhttps://zh.cppreference.com/cpp/string/basic_string_view
nullptrhttps://zh.cppreference.com/cpp/language/nullptr
P2166R1https://wg21.link/P2166R1
std::invoke_r()https://zh.cppreference.com/cpp/utility/functional/invoke
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_invoke_r
P2136R3https://wg21.link/P2136R3
构造函数https://zh.cppreference.com/cpp/string/basic_string_view/basic_string_view
P1989R2https://wg21.link/P1989R2
构造函数https://zh.cppreference.com/cpp/utility/pair/pair
P1951R1https://wg21.link/P1951R1
库支持https://zh.cppreference.com/cpp/memory#垃圾收集器支持
P2186R2https://wg21.link/P2186R2
views::ziphttps://zh.cppreference.com/cpp/ranges/zip_view
views::zip_transformhttps://zh.cppreference.com/cpp/ranges/zip_transform_view
views::adjacenthttps://zh.cppreference.com/cpp/ranges/adjacent_view
views::adjacent_transformhttps://zh.cppreference.com/cpp/ranges/adjacent_transform_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_zip
P2321R2https://wg21.link/P2321R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_associative_heterogeneous_erasure
P2077R3https://wg21.link/P2077R3
std::byteswap()https://zh.cppreference.com/cpp/numeric/byteswap
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_byteswap
P1272R4https://wg21.link/P1272R4
打印https://zh.cppreference.com/cpp/io/basic_ostream/operator_ltlt
P1147R1https://wg21.link/P1147R1
basic_string::resize_and_overwrite()https://zh.cppreference.com/cpp/string/basic_string/resize_and_overwrite
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_string_resize_and_overwrite
P1072R10https://wg21.link/P1072R10
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_optional
P0798R8https://wg21.link/P0798R8
std::move_only_functionhttps://zh.cppreference.com/cpp/utility/functional/move_only_function
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_move_only_function
P0288R9https://wg21.link/P0288R9
P2401R0https://wg21.link/P2401R0
std::spanhttps://zh.cppreference.com/cpp/container/span
可平凡复制 (TriviallyCopyable) https://zh.cppreference.com/cpp/named_req/TriviallyCopyable
P2251R1https://wg21.link/P2251R1
P2340R1https://wg21.link/P2340R1
https://zh.cppreference.com/cpp/header/expected
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_expected
P0323R12https://wg21.link/P0323R12
P2549R1https://wg21.link/P2549R1
https://zh.cppreference.com/cpp/header/cmath
https://zh.cppreference.com/cpp/header/cstdlib
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_cmath
P0533R9https://wg21.link/P0533R9
std::unreachable()https://zh.cppreference.com/cpp/utility/unreachable
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_unreachable
P0627R6https://wg21.link/P0627R6
P1413R3https://wg21.link/P1413R3
std::reference_constructs_from_temporaryhttps://zh.cppreference.com/cpp/types/reference_constructs_from_temporary
std::reference_converts_from_temporaryhttps://zh.cppreference.com/cpp/types/reference_converts_from_temporary
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_reference_from_temporary
P2255R2https://wg21.link/P2255R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_memory
P2273R3https://wg21.link/P2273R3
ranges::to()https://zh.cppreference.com/cpp/ranges/to
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_containers_ranges
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_to_container
P1206R7https://wg21.link/P1206R7
ranges::range_adaptor_closurehttps://zh.cppreference.com/cpp/ranges/range_adaptor_closure
std::bind_backhttps://zh.cppreference.com/cpp/utility/functional/bind_front
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_bind_back
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2387R3https://wg21.link/P2387R3
ranges::iota()https://zh.cppreference.com/cpp/algorithm/ranges/iota
ranges::shift_left()https://zh.cppreference.com/cpp/algorithm/ranges/shift
ranges::shift_right()https://zh.cppreference.com/cpp/algorithm/ranges/shift
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_iota
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_shift
P2440R1https://wg21.link/P2440R1
views::join_withhttps://zh.cppreference.com/cpp/ranges/join_with_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_join_with
P2441R2https://wg21.link/P2441R2
views::chunkhttps://zh.cppreference.com/cpp/ranges/chunk_view
views::slidehttps://zh.cppreference.com/cpp/ranges/slide_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_chunk
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_slide
P2442R1https://wg21.link/P2442R1
views::chunk_byhttps://zh.cppreference.com/cpp/ranges/chunk_by_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_chunk_by
P2443R1https://wg21.link/P2443R1
std::mdspanhttps://zh.cppreference.com/cpp/container/mdspan
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_mdspan
P0009R18https://wg21.link/P0009R18
P2599R2https://wg21.link/P2599R2
P2604R0https://wg21.link/P2604R0
P2613R1https://wg21.link/P2613R1
P2763R1https://wg21.link/P2763R1
https://zh.cppreference.com/cpp/header/flat_map
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_flat_map
P0429R9https://wg21.link/P0429R9
https://zh.cppreference.com/cpp/header/flat_set
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_flat_set
P1222R4https://wg21.link/P1222R4
ranges::find_last()https://zh.cppreference.com/cpp/algorithm/ranges/find_last
ranges::find_last_if()https://zh.cppreference.com/cpp/algorithm/ranges/find_last
ranges::find_last_if_not()https://zh.cppreference.com/cpp/algorithm/ranges/find_last
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_find_last
P1223R5https://wg21.link/P1223R5
https://zh.cppreference.com/cpp/header/utility
https://zh.cppreference.com/cpp/header/ranges
https://zh.cppreference.com/cpp/header/iterator
P1642R11https://wg21.link/P1642R11
views::stridehttps://zh.cppreference.com/cpp/ranges/stride_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_stride
P1899R3https://wg21.link/P1899R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_tuple_like
P2165R4https://wg21.link/P2165R4
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_as_const
P2278R4https://wg21.link/P2278R4
格式化https://zh.cppreference.com/cpp/utility/format
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format_ranges
P2286R8https://wg21.link/P2286R8
格式化https://zh.cppreference.com/cpp/utility/format
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format_ranges
P2585R1https://wg21.link/P2585R1
https://zh.cppreference.com/cpp/header/print
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_print
P2093R14https://wg21.link/P2093R14
P2539R4https://wg21.link/P2539R4
格式化https://zh.cppreference.com/cpp/utility/format
std::stacktracehttps://zh.cppreference.com/cpp/utility/basic_stacktrace
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_formatters
P2693R1https://wg21.link/P2693R1
std::to_chars()https://zh.cppreference.com/cpp/utility/to_chars
std::from_chars()https://zh.cppreference.com/cpp/utility/from_chars
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_charconv
P2291R3https://wg21.link/P2291R3
ranges::contains()https://zh.cppreference.com/cpp/algorithm/ranges/contains
ranges::contains_subrange()https://zh.cppreference.com/cpp/algorithm/ranges/contains
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_contains
P2302R4https://wg21.link/P2302R4
范围折叠算法https://zh.cppreference.com/cpp/algorithm/ranges#受约束的折叠运算
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_fold
P2322R6https://wg21.link/P2322R6
views::cartesian_producthttps://zh.cppreference.com/cpp/ranges/cartesian_product_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_cartesian_product
P2374R4https://wg21.link/P2374R4
P2540R1https://wg21.link/P2540R1
equality_comparablehttps://zh.cppreference.com/cpp/concepts/equality_comparable
totally_orderedhttps://zh.cppreference.com/cpp/concepts/totally_ordered
three_way_comparablehttps://zh.cppreference.com/cpp/utility/compare/three_way_comparable
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_concepts
P2404R3https://wg21.link/P2404R3
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_algorithm_iterator_requirements
P2408R5https://wg21.link/P2408R5
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_bitset
P2417R2https://wg21.link/P2417R2
basic_string::substr()https://zh.cppreference.com/cpp/string/basic_string/substr
P2438R2https://wg21.link/P2438R2
views::as_rvaluehttps://zh.cppreference.com/cpp/ranges/as_rvalue_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_as_rvalue
P2446R2https://wg21.link/P2446R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_modules
P2465R3https://wg21.link/P2465R3
std::forward_like()https://zh.cppreference.com/cpp/utility/forward_like
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_forward_like
P2445R1https://wg21.link/P2445R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ios_noreplace
P2467R1https://wg21.link/P2467R1
views::repeathttps://zh.cppreference.com/cpp/ranges/repeat_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_repeat
P2474R2https://wg21.link/P2474R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2494R2https://wg21.link/P2494R2
构造函数https://zh.cppreference.com/cpp/string/basic_string_view/basic_string_view
P2499R0https://wg21.link/P2499R0
std::generatorhttps://zh.cppreference.com/cpp/coroutine/generator
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_generator
P2502R2https://wg21.link/P2502R2
P2787R0https://wg21.link/P2787R0
P2517R1https://wg21.link/P2517R1
std::start_lifetime_ashttps://zh.cppreference.com/cpp/memory/start_lifetime_as
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_start_lifetime_as
P2590R2https://wg21.link/P2590R2
P2679R2https://wg21.link/P2679R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format
P2419R2https://wg21.link/P2419R2
input_iteratorhttps://zh.cppreference.com/cpp/iterator/input_iterator
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_move_iterator_concept
P2520R0https://wg21.link/P2520R0
显式对象实参https://zh.cppreference.com/cpp/language/member_functions#显式对象实参
LWG3617https://wg21.link/LWG3617
P1169R4https://wg21.link/P1169R4
扩展浮点数类型https://zh.cppreference.com/cpp/header/stdfloat
P1467R9https://wg21.link/P1467R9
std::expectedhttps://zh.cppreference.com/cpp/utility/expected
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_expected
P2505R5https://wg21.link/P2505R5
views::enumeratehttps://zh.cppreference.com/cpp/ranges/enumerate_view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges_enumerate
P2164R9https://wg21.link/P2164R9
std::is_implicit_lifetimehttps://zh.cppreference.com/cpp/types/is_implicit_lifetime
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_implicit_lifetime
P2674R1https://wg21.link/P2674R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_common_reference
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_common_reference_wrapper
P2655R3https://wg21.link/P2655R3
P2652R2https://wg21.link/P2652R2
P2614R2https://wg21.link/P2614R2
viewhttps://zh.cppreference.com/cpp/ranges/view
explicithttps://zh.cppreference.com/cpp/language/explicit
P2711R1https://wg21.link/P2711R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2609R3https://wg21.link/P2609R3
P2770R0https://wg21.link/P2770R0
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_variant
P2162R2https://wg21.link/P2162R2
P2017R1https://wg21.link/P2017R1
输入范围适配器https://zh.cppreference.com/cpp/ranges#视图
P2259R1https://wg21.link/P2259R1
views::joinhttps://zh.cppreference.com/cpp/ranges/join_view
P2328R1https://wg21.link/P2328R1
viewhttps://zh.cppreference.com/cpp/ranges/view
default_initializablehttps://zh.cppreference.com/cpp/concepts/default_initializable
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2325R3https://wg21.link/P2325R3
P2281R1https://wg21.link/P2281R1
constexprhttps://zh.cppreference.com/cpp/language/constexpr
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_optional
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_variant
P2231R1https://wg21.link/P2231R1
views::lazy_splithttps://zh.cppreference.com/cpp/ranges/lazy_split_view
views::splithttps://zh.cppreference.com/cpp/ranges/split_view
P2210R2https://wg21.link/P2210R2
P2432R1https://wg21.link/P2432R1
viewhttps://zh.cppreference.com/cpp/ranges/view
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2415R2https://wg21.link/P2415R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format
P2372R3https://wg21.link/P2372R3
P2418R2https://wg21.link/P2418R2
P2393R1https://wg21.link/P2393R1
std::format()https://zh.cppreference.com/cpp/utility/format/format
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_format
P2216R3https://wg21.link/P2216R3
P2418R2https://wg21.link/P2418R2
std::basic_format_stringhttps://zh.cppreference.com/cpp/utility/format/basic_format_string
P2508R1https://wg21.link/P2508R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_ranges
P2602R2https://wg21.link/P2602R2
P2572R1https://wg21.link/P2572R1
P2675R1https://wg21.link/P2675R1
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_barrier
P2588R3https://wg21.link/P2588R3
[编辑]https://zh.cppreference.com/index.php?title=Template:cpp/compiler_support/20&action=edit
lambda 捕获https://zh.cppreference.com/cpp/language/lambda#lambda_捕获
P0409R2https://wg21.link/P0409R2
__VA_OPT__https://zh.cppreference.com/cpp/preprocessor/replace#函数式宏
P0306R4https://wg21.link/P0306R4
P1042R1https://wg21.link/P1042R1
指派初始化器https://zh.cppreference.com/cpp/language/aggregate_initialization#指派初始化器
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_designated_initializers
P0329R4https://wg21.link/P0329R4
泛型 lambda 的模板形参列表https://zh.cppreference.com/cpp/language/lambda#语法
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_generic_lambdas
P0428R2https://wg21.link/P0428R2
位域的默认成员初始化器https://zh.cppreference.com/cpp/language/bit_field#Cpp20_位域的默认成员初始化器
P0683R1https://wg21.link/P0683R1
P0702R1https://wg21.link/P0702R1
P0704R1https://wg21.link/P0704R1
概念https://zh.cppreference.com/cpp/language/constraints
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_concepts
P0734R0https://wg21.link/P0734R0
不求值语境中的 lambdahttps://zh.cppreference.com/cpp/language/lambda#不求值语境中的_lambda
P0315R4https://wg21.link/P0315R4
三路比较https://zh.cppreference.com/cpp/language/operator_comparison#三路比较
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_impl_three_way_comparison
P0515R3https://wg21.link/P0515R3
P0588R1https://wg21.link/P0588R1
基于范围的 for 的初始化语句https://zh.cppreference.com/cpp/language/range-for#语法
P0614R1https://wg21.link/P0614R1
lambdahttps://zh.cppreference.com/cpp/language/lambda
P0624R2https://wg21.link/P0624R2
P0641R2https://wg21.link/P0641R2
P0692R1https://wg21.link/P0692R1
P0846R0https://wg21.link/P0846R0
常量求值所需要https://zh.cppreference.com/cpp/language/constant_expression#常量求值所需要的函数与变量
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_constexpr_in_decltype
P0859R0https://wg21.link/P0859R0
likelyhttps://zh.cppreference.com/cpp/language/attributes/likely
unlikelyhttps://zh.cppreference.com/cpp/language/attributes/likely
P0479R5https://wg21.link/P0479R5
typenamehttps://zh.cppreference.com/cpp/keywords/typename
P0634R3https://wg21.link/P0634R3
lambda 初始化捕获https://zh.cppreference.com/cpp/language/lambda#lambda_捕获
包展开https://zh.cppreference.com/cpp/language/parameter_pack
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_init_captures
P0780R2https://wg21.link/P0780R2
no_unique_addresshttps://zh.cppreference.com/cpp/language/attributes/no_unique_address
P0840R2https://wg21.link/P0840R2
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_concepts
P0848R3https://wg21.link/P0848R3
结构化绑定https://zh.cppreference.com/cpp/language/structured_binding
P0961R1https://wg21.link/P0961R1
范围 for 循环https://zh.cppreference.com/cpp/language/range-for
P0962R1https://wg21.link/P0962R1
P0969R0https://wg21.link/P0969R0
销毁的 operator deletehttps://zh.cppreference.com/cpp/memory/new/operator_delete
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_impl_destroying_delete
P0722R3https://wg21.link/P0722R3
非类型模板形参https://zh.cppreference.com/cpp/language/template_parameters#非类型模板形参
P0732R2https://wg21.link/P0732R2
捕获https://zh.cppreference.com/cpp/language/lambda#Lambda_捕获
P0806R2https://wg21.link/P0806R2
explicit(bool)https://zh.cppreference.com/cpp/language/explicit
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_conditional_explicit
P0892R2https://wg21.link/P0892R2
功能特性测试宏https://zh.cppreference.com/cpp/feature_test
P0941R2https://wg21.link/P0941R2
P1008R1https://wg21.link/P1008R1
虚函数https://zh.cppreference.com/cpp/language/virtual
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_constexpr
P1064R0https://wg21.link/P1064R0
P1120R0https://wg21.link/P1120R0
char8_thttps://zh.cppreference.com/cpp/language/types#char8_t
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_char8_t
P0482R6https://wg21.link/P0482R6
std::is_constant_evaluated()https://zh.cppreference.com/cpp/types/is_constant_evaluated
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_is_constant_evaluated
P0595R2https://wg21.link/P0595R2
P1002R1https://wg21.link/P1002R1
立即函数https://zh.cppreference.com/cpp/language/consteval
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_consteval
P1073R3https://wg21.link/P1073R3
嵌套内联命名空间https://zh.cppreference.com/cpp/language/namespace
P1094R2https://wg21.link/P1094R2
有约束https://zh.cppreference.com/cpp/language/template_parameters#类型模板实参
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弃用下标中的逗号运算符https://zh.cppreference.com/cpp/language/operator_other#内建的逗号运算符
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_float
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https://zh.cppreference.com/cpp/header/algorithm
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https://zh.cppreference.com/cpp/header/complex
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https://zh.cppreference.com/cpp/header/compare
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_remove_cvref
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部分https://libcxx.llvm.org/Status/Cxx20.html#note-p0355
https://zh.cppreference.com/cpp/header/version
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_string_view
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_ref
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https://zh.cppreference.com/cpp/header/algorithm
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https://zh.cppreference.com/cpp/header/chrono
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_math_constants
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文本格式化https://zh.cppreference.com/cpp/utility/format
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_dynamic_alloc
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_string
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_source_location
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<=>https://zh.cppreference.com/cpp/language/operator_comparison#三路比较
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_atomic_value_initialization
P0883R2https://wg21.link/P0883R2
数值算法https://zh.cppreference.com/cpp/numeric#数值运算
FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_constexpr_numeric
P1645R1https://wg21.link/P1645R1
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FTMhttps://zh.cppreference.com/cpp/feature_test#cpp_lib_integer_comparison_functions
P0586R2https://wg21.link/P0586R2
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C++17 核心语言特性https://zh.cppreference.com/cpp/compiler_support/17
C++17 库特性https://zh.cppreference.com/cpp/compiler_support/17#C++17_库功能特性
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