From Jason Turner

[version.syn]

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tmp/tmpaemdfx4c/{from.md → to.md} RENAMED
@@ -5,70 +5,94 @@ about the C++ standard library (e.g., version number and release date).
5
 
6
  Each of the macros defined in `<version>` is also defined after
7
  inclusion of any member of the set of library headers indicated in the
8
  corresponding comment in this synopsis.
9
 
10
- [*Note 1*: Future versions of this International Standard might replace
11
- the values of these macros with greater values. — *end note*]
12
 
13
  ``` cpp
14
  #define __cpp_lib_addressof_constexpr 201603L // also in <memory>
 
 
 
15
  #define __cpp_lib_allocator_traits_is_always_equal 201411L
16
  // also in <memory>, <scoped_allocator>, <string>, <deque>, <forward_list>, <list>, <vector>,
17
  // <map>, <set>, <unordered_map>, <unordered_set>
 
18
  #define __cpp_lib_any 201606L // also in <any>
19
  #define __cpp_lib_apply 201603L // also in <tuple>
20
  #define __cpp_lib_array_constexpr 201811L // also in <iterator>, <array>
21
  #define __cpp_lib_as_const 201510L // also in <utility>
 
 
22
  #define __cpp_lib_assume_aligned 201811L // also in <memory>
23
  #define __cpp_lib_atomic_flag_test 201907L // also in <atomic>
24
  #define __cpp_lib_atomic_float 201711L // also in <atomic>
25
  #define __cpp_lib_atomic_is_always_lock_free 201603L // also in <atomic>
26
  #define __cpp_lib_atomic_lock_free_type_aliases 201907L // also in <atomic>
27
  #define __cpp_lib_atomic_ref 201806L // also in <atomic>
28
  #define __cpp_lib_atomic_shared_ptr 201711L // also in <memory>
29
  #define __cpp_lib_atomic_value_initialization 201911L // also in <atomic>, <memory>
30
  #define __cpp_lib_atomic_wait 201907L // also in <atomic>
31
- #define __cpp_lib_barrier 201907L // also in <barrier>
 
32
  #define __cpp_lib_bind_front 201907L // also in <functional>
33
  #define __cpp_lib_bit_cast 201806L // also in <bit>
34
  #define __cpp_lib_bitops 201907L // also in <bit>
35
  #define __cpp_lib_bool_constant 201505L // also in <type_traits>
36
  #define __cpp_lib_bounded_array_traits 201902L // also in <type_traits>
37
  #define __cpp_lib_boyer_moore_searcher 201603L // also in <functional>
38
  #define __cpp_lib_byte 201603L // also in <cstddef>
 
39
  #define __cpp_lib_char8_t 201907L
40
  // also in <atomic>, <filesystem>, <istream>, <limits>, <locale>, <ostream>, <string>, <string_view>
41
  #define __cpp_lib_chrono 201907L // also in <chrono>
42
  #define __cpp_lib_chrono_udls 201304L // also in <chrono>
43
  #define __cpp_lib_clamp 201603L // also in <algorithm>
 
 
44
  #define __cpp_lib_complex_udls 201309L // also in <complex>
45
- #define __cpp_lib_concepts 202002L // also in <concepts>
46
- #define __cpp_lib_constexpr_algorithms 201806L // also in <algorithm>
 
 
 
47
  #define __cpp_lib_constexpr_complex 201711L // also in <complex>
48
  #define __cpp_lib_constexpr_dynamic_alloc 201907L // also in <memory>
49
  #define __cpp_lib_constexpr_functional 201907L // also in <functional>
50
  #define __cpp_lib_constexpr_iterator 201811L // also in <iterator>
51
- #define __cpp_lib_constexpr_memory 201811L // also in <memory>
52
  #define __cpp_lib_constexpr_numeric 201911L // also in <numeric>
53
  #define __cpp_lib_constexpr_string 201907L // also in <string>
54
  #define __cpp_lib_constexpr_string_view 201811L // also in <string_view>
55
  #define __cpp_lib_constexpr_tuple 201811L // also in <tuple>
 
56
  #define __cpp_lib_constexpr_utility 201811L // also in <utility>
57
  #define __cpp_lib_constexpr_vector 201907L // also in <vector>
 
 
 
58
  #define __cpp_lib_coroutine 201902L // also in <coroutine>
59
  #define __cpp_lib_destroying_delete 201806L // also in <new>
60
  #define __cpp_lib_enable_shared_from_this 201603L // also in <memory>
61
  #define __cpp_lib_endian 201907L // also in <bit>
62
  #define __cpp_lib_erase_if 202002L
63
  // also in <string>, <deque>, <forward_list>, <list>, <vector>, <map>, <set>, <unordered_map>,
64
  // <unordered_set>
65
  #define __cpp_lib_exchange_function 201304L // also in <utility>
66
  #define __cpp_lib_execution 201902L // also in <execution>
 
67
  #define __cpp_lib_filesystem 201703L // also in <filesystem>
68
- #define __cpp_lib_format 201907L // also in <format>
 
 
 
 
 
69
  #define __cpp_lib_gcd_lcm 201606L // also in <numeric>
 
70
  #define __cpp_lib_generic_associative_lookup 201304L // also in <map>, <set>
71
  #define __cpp_lib_generic_unordered_lookup 201811L
72
  // also in <unordered_map>, <unordered_set>
73
  #define __cpp_lib_hardware_interference_size 201703L // also in <new>
74
  #define __cpp_lib_has_unique_object_representations 201606L // also in <type_traits>
@@ -79,18 +103,22 @@ the values of these macros with greater values. — *end note*]
79
  #define __cpp_lib_integer_comparison_functions 202002L // also in <utility>
80
  #define __cpp_lib_integer_sequence 201304L // also in <utility>
81
  #define __cpp_lib_integral_constant_callable 201304L // also in <type_traits>
82
  #define __cpp_lib_interpolate 201902L // also in <cmath>, <numeric>
83
  #define __cpp_lib_invoke 201411L // also in <functional>
 
 
84
  #define __cpp_lib_is_aggregate 201703L // also in <type_traits>
85
  #define __cpp_lib_is_constant_evaluated 201811L // also in <type_traits>
86
  #define __cpp_lib_is_final 201402L // also in <type_traits>
 
87
  #define __cpp_lib_is_invocable 201703L // also in <type_traits>
88
  #define __cpp_lib_is_layout_compatible 201907L // also in <type_traits>
89
  #define __cpp_lib_is_nothrow_convertible 201806L // also in <type_traits>
90
  #define __cpp_lib_is_null_pointer 201309L // also in <type_traits>
91
  #define __cpp_lib_is_pointer_interconvertible 201907L // also in <type_traits>
 
92
  #define __cpp_lib_is_swappable 201603L // also in <type_traits>
93
  #define __cpp_lib_jthread 201911L // also in <stop_token>, <thread>
94
  #define __cpp_lib_latch 201907L // also in <latch>
95
  #define __cpp_lib_launder 201606L // also in <new>
96
  #define __cpp_lib_list_remove_return_type 201806L // also in <forward_list>, <list>
@@ -99,56 +127,90 @@ the values of these macros with greater values. — *end note*]
99
  #define __cpp_lib_make_reverse_iterator 201402L // also in <iterator>
100
  #define __cpp_lib_make_unique 201304L // also in <memory>
101
  #define __cpp_lib_map_try_emplace 201411L // also in <map>
102
  #define __cpp_lib_math_constants 201907L // also in <numbers>
103
  #define __cpp_lib_math_special_functions 201603L // also in <cmath>
 
104
  #define __cpp_lib_memory_resource 201603L // also in <memory_resource>
 
 
 
105
  #define __cpp_lib_node_extract 201606L
106
  // also in <map>, <set>, <unordered_map>, <unordered_set>
107
  #define __cpp_lib_nonmember_container_access 201411L
108
  // also in <array>, <deque>, <forward_list>, <iterator>, <list>, <map>, <regex>, <set>, <string>,
109
  // <unordered_map>, <unordered_set>, <vector>
110
  #define __cpp_lib_not_fn 201603L // also in <functional>
111
  #define __cpp_lib_null_iterators 201304L // also in <iterator>
112
- #define __cpp_lib_optional 201606L // also in <optional>
 
113
  #define __cpp_lib_parallel_algorithm 201603L // also in <algorithm>, <numeric>
114
- #define __cpp_lib_polymorphic_allocator 201902L // also in <memory>
 
115
  #define __cpp_lib_quoted_string_io 201304L // also in <iomanip>
116
- #define __cpp_lib_ranges 201911L
117
  // also in <algorithm>, <functional>, <iterator>, <memory>, <ranges>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
118
  #define __cpp_lib_raw_memory_algorithms 201606L // also in <memory>
 
119
  #define __cpp_lib_remove_cvref 201711L // also in <type_traits>
120
  #define __cpp_lib_result_of_sfinae 201210L // also in <functional>, <type_traits>
121
  #define __cpp_lib_robust_nonmodifying_seq_ops 201304L // also in <algorithm>
122
  #define __cpp_lib_sample 201603L // also in <algorithm>
123
  #define __cpp_lib_scoped_lock 201703L // also in <mutex>
124
  #define __cpp_lib_semaphore 201907L // also in <semaphore>
125
  #define __cpp_lib_shared_mutex 201505L // also in <shared_mutex>
126
  #define __cpp_lib_shared_ptr_arrays 201707L // also in <memory>
127
  #define __cpp_lib_shared_ptr_weak_type 201606L // also in <memory>
128
  #define __cpp_lib_shared_timed_mutex 201402L // also in <shared_mutex>
129
- #define __cpp_lib_shift 201806L // also in <algorithm>
130
  #define __cpp_lib_smart_ptr_for_overwrite 202002L // also in <memory>
131
  #define __cpp_lib_source_location 201907L // also in <source_location>
132
  #define __cpp_lib_span 202002L // also in <span>
 
133
  #define __cpp_lib_ssize 201902L // also in <iterator>
 
 
134
  #define __cpp_lib_starts_ends_with 201711L // also in <string>, <string_view>
 
 
 
135
  #define __cpp_lib_string_udls 201304L // also in <string>
136
  #define __cpp_lib_string_view 201803L // also in <string>, <string_view>
137
  #define __cpp_lib_syncbuf 201803L // also in <syncstream>
138
  #define __cpp_lib_three_way_comparison 201907L // also in <compare>
139
  #define __cpp_lib_to_address 201711L // also in <memory>
140
  #define __cpp_lib_to_array 201907L // also in <array>
141
  #define __cpp_lib_to_chars 201611L // also in <charconv>
 
142
  #define __cpp_lib_transformation_trait_aliases 201304L // also in <type_traits>
143
  #define __cpp_lib_transparent_operators 201510L // also in <memory>, <functional>
 
 
144
  #define __cpp_lib_tuple_element_t 201402L // also in <tuple>
145
  #define __cpp_lib_tuples_by_type 201304L // also in <utility>, <tuple>
146
  #define __cpp_lib_type_identity 201806L // also in <type_traits>
147
  #define __cpp_lib_type_trait_variable_templates 201510L // also in <type_traits>
148
  #define __cpp_lib_uncaught_exceptions 201411L // also in <exception>
149
  #define __cpp_lib_unordered_map_try_emplace 201411L // also in <unordered_map>
 
150
  #define __cpp_lib_unwrap_ref 201811L // also in <type_traits>
151
- #define __cpp_lib_variant 201606L // also in <variant>
152
  #define __cpp_lib_void_t 201411L // also in <type_traits>
153
  ```
154
 
 
5
 
6
  Each of the macros defined in `<version>` is also defined after
7
  inclusion of any member of the set of library headers indicated in the
8
  corresponding comment in this synopsis.
9
 
10
+ [*Note 1*: Future revisions of C++ might replace the values of these
11
+ macros with greater values. — *end note*]
12
 
13
  ``` cpp
14
  #define __cpp_lib_addressof_constexpr 201603L // also in <memory>
15
+ #define __cpp_lib_algorithm_iterator_requirements 202207L
16
+ // also in <algorithm>, <numeric>, <memory>
17
+ #define __cpp_lib_allocate_at_least 202302L // also in <memory>
18
  #define __cpp_lib_allocator_traits_is_always_equal 201411L
19
  // also in <memory>, <scoped_allocator>, <string>, <deque>, <forward_list>, <list>, <vector>,
20
  // <map>, <set>, <unordered_map>, <unordered_set>
21
+ #define __cpp_lib_adaptor_iterator_pair_constructor 202106L // also in <stack>, <queue>
22
  #define __cpp_lib_any 201606L // also in <any>
23
  #define __cpp_lib_apply 201603L // also in <tuple>
24
  #define __cpp_lib_array_constexpr 201811L // also in <iterator>, <array>
25
  #define __cpp_lib_as_const 201510L // also in <utility>
26
+ #define __cpp_lib_associative_heterogeneous_erasure 202110L
27
+ // also in <map>, <set>, <unordered_map>, <unordered_set>
28
  #define __cpp_lib_assume_aligned 201811L // also in <memory>
29
  #define __cpp_lib_atomic_flag_test 201907L // also in <atomic>
30
  #define __cpp_lib_atomic_float 201711L // also in <atomic>
31
  #define __cpp_lib_atomic_is_always_lock_free 201603L // also in <atomic>
32
  #define __cpp_lib_atomic_lock_free_type_aliases 201907L // also in <atomic>
33
  #define __cpp_lib_atomic_ref 201806L // also in <atomic>
34
  #define __cpp_lib_atomic_shared_ptr 201711L // also in <memory>
35
  #define __cpp_lib_atomic_value_initialization 201911L // also in <atomic>, <memory>
36
  #define __cpp_lib_atomic_wait 201907L // also in <atomic>
37
+ #define __cpp_lib_barrier 202302L // also in <barrier>
38
+ #define __cpp_lib_bind_back 202202L // also in <functional>
39
  #define __cpp_lib_bind_front 201907L // also in <functional>
40
  #define __cpp_lib_bit_cast 201806L // also in <bit>
41
  #define __cpp_lib_bitops 201907L // also in <bit>
42
  #define __cpp_lib_bool_constant 201505L // also in <type_traits>
43
  #define __cpp_lib_bounded_array_traits 201902L // also in <type_traits>
44
  #define __cpp_lib_boyer_moore_searcher 201603L // also in <functional>
45
  #define __cpp_lib_byte 201603L // also in <cstddef>
46
+ #define __cpp_lib_byteswap 202110L // also in <bit>
47
  #define __cpp_lib_char8_t 201907L
48
  // also in <atomic>, <filesystem>, <istream>, <limits>, <locale>, <ostream>, <string>, <string_view>
49
  #define __cpp_lib_chrono 201907L // also in <chrono>
50
  #define __cpp_lib_chrono_udls 201304L // also in <chrono>
51
  #define __cpp_lib_clamp 201603L // also in <algorithm>
52
+ #define __cpp_lib_common_reference 202302L // also in <type_traits>
53
+ #define __cpp_lib_common_reference_wrapper 202302L // also in <functional>
54
  #define __cpp_lib_complex_udls 201309L // also in <complex>
55
+ #define __cpp_lib_concepts 202207L // also in <concepts>, <compare>
56
+ #define __cpp_lib_constexpr_algorithms 201806L // also in <algorithm>, <utility>
57
+ #define __cpp_lib_constexpr_bitset 202207L // also in <bitset>
58
+ #define __cpp_lib_constexpr_charconv 202207L // also in <charconv>
59
+ #define __cpp_lib_constexpr_cmath 202202L // also in <cmath>, <cstdlib>
60
  #define __cpp_lib_constexpr_complex 201711L // also in <complex>
61
  #define __cpp_lib_constexpr_dynamic_alloc 201907L // also in <memory>
62
  #define __cpp_lib_constexpr_functional 201907L // also in <functional>
63
  #define __cpp_lib_constexpr_iterator 201811L // also in <iterator>
64
+ #define __cpp_lib_constexpr_memory 202202L // also in <memory>
65
  #define __cpp_lib_constexpr_numeric 201911L // also in <numeric>
66
  #define __cpp_lib_constexpr_string 201907L // also in <string>
67
  #define __cpp_lib_constexpr_string_view 201811L // also in <string_view>
68
  #define __cpp_lib_constexpr_tuple 201811L // also in <tuple>
69
+ #define __cpp_lib_constexpr_typeinfo 202106L // also in <typeinfo>
70
  #define __cpp_lib_constexpr_utility 201811L // also in <utility>
71
  #define __cpp_lib_constexpr_vector 201907L // also in <vector>
72
+ #define __cpp_lib_containers_ranges 202202L
73
+ // also in <vector>, <list>, <forward_list>, <map>, <set>, <unordered_map>, <unordered_set>,
74
+ // <deque>, <queue>, <stack>, <string>
75
  #define __cpp_lib_coroutine 201902L // also in <coroutine>
76
  #define __cpp_lib_destroying_delete 201806L // also in <new>
77
  #define __cpp_lib_enable_shared_from_this 201603L // also in <memory>
78
  #define __cpp_lib_endian 201907L // also in <bit>
79
  #define __cpp_lib_erase_if 202002L
80
  // also in <string>, <deque>, <forward_list>, <list>, <vector>, <map>, <set>, <unordered_map>,
81
  // <unordered_set>
82
  #define __cpp_lib_exchange_function 201304L // also in <utility>
83
  #define __cpp_lib_execution 201902L // also in <execution>
84
+ #define __cpp_lib_expected 202211L // also in <expected>
85
  #define __cpp_lib_filesystem 201703L // also in <filesystem>
86
+ #define __cpp_lib_flat_map 202207L // also in <flat_map>
87
+ #define __cpp_lib_flat_set 202207L // also in <flat_set>
88
+ #define __cpp_lib_format 202207L // also in <format>
89
+ #define __cpp_lib_format_ranges 202207L // also in <format>
90
+ #define __cpp_lib_formatters 202302L // also in <stacktrace>, <thread>
91
+ #define __cpp_lib_forward_like 202207L // also in <utility>
92
  #define __cpp_lib_gcd_lcm 201606L // also in <numeric>
93
+ #define __cpp_lib_generator 202207L // also in <generator>
94
  #define __cpp_lib_generic_associative_lookup 201304L // also in <map>, <set>
95
  #define __cpp_lib_generic_unordered_lookup 201811L
96
  // also in <unordered_map>, <unordered_set>
97
  #define __cpp_lib_hardware_interference_size 201703L // also in <new>
98
  #define __cpp_lib_has_unique_object_representations 201606L // also in <type_traits>
 
103
  #define __cpp_lib_integer_comparison_functions 202002L // also in <utility>
104
  #define __cpp_lib_integer_sequence 201304L // also in <utility>
105
  #define __cpp_lib_integral_constant_callable 201304L // also in <type_traits>
106
  #define __cpp_lib_interpolate 201902L // also in <cmath>, <numeric>
107
  #define __cpp_lib_invoke 201411L // also in <functional>
108
+ #define __cpp_lib_invoke_r 202106L // also in <functional>
109
+ #define __cpp_lib_ios_noreplace 202207L // also in <ios>
110
  #define __cpp_lib_is_aggregate 201703L // also in <type_traits>
111
  #define __cpp_lib_is_constant_evaluated 201811L // also in <type_traits>
112
  #define __cpp_lib_is_final 201402L // also in <type_traits>
113
+ #define __cpp_lib_is_implicit_lifetime 202302L // also in <type_traits>
114
  #define __cpp_lib_is_invocable 201703L // also in <type_traits>
115
  #define __cpp_lib_is_layout_compatible 201907L // also in <type_traits>
116
  #define __cpp_lib_is_nothrow_convertible 201806L // also in <type_traits>
117
  #define __cpp_lib_is_null_pointer 201309L // also in <type_traits>
118
  #define __cpp_lib_is_pointer_interconvertible 201907L // also in <type_traits>
119
+ #define __cpp_lib_is_scoped_enum 202011L // also in <type_traits>
120
  #define __cpp_lib_is_swappable 201603L // also in <type_traits>
121
  #define __cpp_lib_jthread 201911L // also in <stop_token>, <thread>
122
  #define __cpp_lib_latch 201907L // also in <latch>
123
  #define __cpp_lib_launder 201606L // also in <new>
124
  #define __cpp_lib_list_remove_return_type 201806L // also in <forward_list>, <list>
 
127
  #define __cpp_lib_make_reverse_iterator 201402L // also in <iterator>
128
  #define __cpp_lib_make_unique 201304L // also in <memory>
129
  #define __cpp_lib_map_try_emplace 201411L // also in <map>
130
  #define __cpp_lib_math_constants 201907L // also in <numbers>
131
  #define __cpp_lib_math_special_functions 201603L // also in <cmath>
132
+ #define __cpp_lib_mdspan 202207L // also in <mdspan>
133
  #define __cpp_lib_memory_resource 201603L // also in <memory_resource>
134
+ #define __cpp_lib_modules 202207L
135
+ #define __cpp_lib_move_iterator_concept 202207L // also in <iterator>
136
+ #define __cpp_lib_move_only_function 202110L // also in <functional>
137
  #define __cpp_lib_node_extract 201606L
138
  // also in <map>, <set>, <unordered_map>, <unordered_set>
139
  #define __cpp_lib_nonmember_container_access 201411L
140
  // also in <array>, <deque>, <forward_list>, <iterator>, <list>, <map>, <regex>, <set>, <string>,
141
  // <unordered_map>, <unordered_set>, <vector>
142
  #define __cpp_lib_not_fn 201603L // also in <functional>
143
  #define __cpp_lib_null_iterators 201304L // also in <iterator>
144
+ #define __cpp_lib_optional 202110L // also in <optional>
145
+ #define __cpp_lib_out_ptr 202106L // also in <memory>
146
  #define __cpp_lib_parallel_algorithm 201603L // also in <algorithm>, <numeric>
147
+ #define __cpp_lib_polymorphic_allocator 201902L // also in <memory_resource>
148
+ #define __cpp_lib_print 202207L // also in <print>, <ostream>
149
  #define __cpp_lib_quoted_string_io 201304L // also in <iomanip>
150
+ #define __cpp_lib_ranges 202302L
151
  // also in <algorithm>, <functional>, <iterator>, <memory>, <ranges>
152
+ #define __cpp_lib_ranges_as_const 202207L // also in <ranges>
153
+ #define __cpp_lib_ranges_as_rvalue 202207L // also in <ranges>
154
+ #define __cpp_lib_ranges_cartesian_product 202207L // also in <ranges>
155
+ #define __cpp_lib_ranges_chunk 202202L // also in <ranges>
156
+ #define __cpp_lib_ranges_chunk_by 202202L // also in <ranges>
157
+ #define __cpp_lib_ranges_contains 202207L // also in <algorithm>
158
+ #define __cpp_lib_ranges_enumerate 202302L // also in <ranges>, <version>
159
+ #define __cpp_lib_ranges_find_last 202207L // also in <algorithm>
160
+ #define __cpp_lib_ranges_fold 202207L // also in <algorithm>
161
+ #define __cpp_lib_ranges_iota 202202L // also in <numeric>
162
+ #define __cpp_lib_ranges_join_with 202202L // also in <ranges>
163
+ #define __cpp_lib_ranges_repeat 202207L // also in <ranges>
164
+ #define __cpp_lib_ranges_slide 202202L // also in <ranges>
165
+ #define __cpp_lib_ranges_starts_ends_with 202106L // also in <algorithm>
166
+ #define __cpp_lib_ranges_stride 202207L // also in <ranges>
167
+ #define __cpp_lib_ranges_to_container 202202L // also in <ranges>
168
+ #define __cpp_lib_ranges_zip 202110L // also in <ranges>, <tuple>, <utility>
169
  #define __cpp_lib_raw_memory_algorithms 201606L // also in <memory>
170
+ #define __cpp_lib_reference_from_temporary 202202L // also in <type_traits>
171
  #define __cpp_lib_remove_cvref 201711L // also in <type_traits>
172
  #define __cpp_lib_result_of_sfinae 201210L // also in <functional>, <type_traits>
173
  #define __cpp_lib_robust_nonmodifying_seq_ops 201304L // also in <algorithm>
174
  #define __cpp_lib_sample 201603L // also in <algorithm>
175
  #define __cpp_lib_scoped_lock 201703L // also in <mutex>
176
  #define __cpp_lib_semaphore 201907L // also in <semaphore>
177
  #define __cpp_lib_shared_mutex 201505L // also in <shared_mutex>
178
  #define __cpp_lib_shared_ptr_arrays 201707L // also in <memory>
179
  #define __cpp_lib_shared_ptr_weak_type 201606L // also in <memory>
180
  #define __cpp_lib_shared_timed_mutex 201402L // also in <shared_mutex>
181
+ #define __cpp_lib_shift 202202L // also in <algorithm>
182
  #define __cpp_lib_smart_ptr_for_overwrite 202002L // also in <memory>
183
  #define __cpp_lib_source_location 201907L // also in <source_location>
184
  #define __cpp_lib_span 202002L // also in <span>
185
+ #define __cpp_lib_spanstream 202106L // also in <spanstream>
186
  #define __cpp_lib_ssize 201902L // also in <iterator>
187
+ #define __cpp_lib_stacktrace 202011L // also in <stacktrace>
188
+ #define __cpp_lib_start_lifetime_as 202207L // also in <memory>
189
  #define __cpp_lib_starts_ends_with 201711L // also in <string>, <string_view>
190
+ #define __cpp_lib_stdatomic_h 202011L // also in <stdatomic.h>
191
+ #define __cpp_lib_string_contains 202011L // also in <string>, <string_view>
192
+ #define __cpp_lib_string_resize_and_overwrite 202110L // also in <string>
193
  #define __cpp_lib_string_udls 201304L // also in <string>
194
  #define __cpp_lib_string_view 201803L // also in <string>, <string_view>
195
  #define __cpp_lib_syncbuf 201803L // also in <syncstream>
196
  #define __cpp_lib_three_way_comparison 201907L // also in <compare>
197
  #define __cpp_lib_to_address 201711L // also in <memory>
198
  #define __cpp_lib_to_array 201907L // also in <array>
199
  #define __cpp_lib_to_chars 201611L // also in <charconv>
200
+ #define __cpp_lib_to_underlying 202102L // also in <utility>
201
  #define __cpp_lib_transformation_trait_aliases 201304L // also in <type_traits>
202
  #define __cpp_lib_transparent_operators 201510L // also in <memory>, <functional>
203
+ #define __cpp_lib_tuple_like 202207L
204
+ // also in <utility>, <tuple>, <map>, <unordered_map>
205
  #define __cpp_lib_tuple_element_t 201402L // also in <tuple>
206
  #define __cpp_lib_tuples_by_type 201304L // also in <utility>, <tuple>
207
  #define __cpp_lib_type_identity 201806L // also in <type_traits>
208
  #define __cpp_lib_type_trait_variable_templates 201510L // also in <type_traits>
209
  #define __cpp_lib_uncaught_exceptions 201411L // also in <exception>
210
  #define __cpp_lib_unordered_map_try_emplace 201411L // also in <unordered_map>
211
+ #define __cpp_lib_unreachable 202202L // also in <utility>
212
  #define __cpp_lib_unwrap_ref 201811L // also in <type_traits>
213
+ #define __cpp_lib_variant 202106L // also in <variant>
214
  #define __cpp_lib_void_t 201411L // also in <type_traits>
215
  ```
216