xref: /openbsd-src/gnu/llvm/libcxx/docs/FeatureTestMacroTable.rst (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
146035553Spatrick.. _FeatureTestMacroTable:
246035553Spatrick
346035553Spatrick==========================
446035553SpatrickFeature Test Macro Support
546035553Spatrick==========================
646035553Spatrick
746035553Spatrick.. contents::
846035553Spatrick   :local:
946035553Spatrick
1046035553SpatrickOverview
1146035553Spatrick========
1246035553Spatrick
1346035553SpatrickThis file documents the feature test macros currently supported by libc++.
1446035553Spatrick
1546035553Spatrick.. _feature-status:
1646035553Spatrick
1746035553SpatrickStatus
1846035553Spatrick======
1946035553Spatrick
2046035553Spatrick.. table:: Current Status
2146035553Spatrick    :name: feature-status-table
2246035553Spatrick    :widths: auto
2346035553Spatrick
2446035553Spatrick    ================================================= =================
2546035553Spatrick    Macro Name                                        Value
2646035553Spatrick    ================================================= =================
2746035553Spatrick    **C++ 14**
2846035553Spatrick    -------------------------------------------------------------------
2946035553Spatrick    ``__cpp_lib_chrono_udls``                         ``201304L``
3046035553Spatrick    ------------------------------------------------- -----------------
3146035553Spatrick    ``__cpp_lib_complex_udls``                        ``201309L``
3246035553Spatrick    ------------------------------------------------- -----------------
3346035553Spatrick    ``__cpp_lib_exchange_function``                   ``201304L``
3446035553Spatrick    ------------------------------------------------- -----------------
3546035553Spatrick    ``__cpp_lib_generic_associative_lookup``          ``201304L``
3646035553Spatrick    ------------------------------------------------- -----------------
3746035553Spatrick    ``__cpp_lib_integer_sequence``                    ``201304L``
3846035553Spatrick    ------------------------------------------------- -----------------
3946035553Spatrick    ``__cpp_lib_integral_constant_callable``          ``201304L``
4046035553Spatrick    ------------------------------------------------- -----------------
4146035553Spatrick    ``__cpp_lib_is_final``                            ``201402L``
4246035553Spatrick    ------------------------------------------------- -----------------
4346035553Spatrick    ``__cpp_lib_is_null_pointer``                     ``201309L``
4446035553Spatrick    ------------------------------------------------- -----------------
4546035553Spatrick    ``__cpp_lib_make_reverse_iterator``               ``201402L``
4646035553Spatrick    ------------------------------------------------- -----------------
4746035553Spatrick    ``__cpp_lib_make_unique``                         ``201304L``
4846035553Spatrick    ------------------------------------------------- -----------------
4946035553Spatrick    ``__cpp_lib_null_iterators``                      ``201304L``
5046035553Spatrick    ------------------------------------------------- -----------------
5146035553Spatrick    ``__cpp_lib_quoted_string_io``                    ``201304L``
5246035553Spatrick    ------------------------------------------------- -----------------
5346035553Spatrick    ``__cpp_lib_result_of_sfinae``                    ``201210L``
5446035553Spatrick    ------------------------------------------------- -----------------
5546035553Spatrick    ``__cpp_lib_robust_nonmodifying_seq_ops``         ``201304L``
5646035553Spatrick    ------------------------------------------------- -----------------
5746035553Spatrick    ``__cpp_lib_shared_timed_mutex``                  ``201402L``
5846035553Spatrick    ------------------------------------------------- -----------------
5946035553Spatrick    ``__cpp_lib_string_udls``                         ``201304L``
6046035553Spatrick    ------------------------------------------------- -----------------
6146035553Spatrick    ``__cpp_lib_transformation_trait_aliases``        ``201304L``
6246035553Spatrick    ------------------------------------------------- -----------------
6346035553Spatrick    ``__cpp_lib_transparent_operators``               ``201210L``
6446035553Spatrick    ------------------------------------------------- -----------------
6546035553Spatrick    ``__cpp_lib_tuple_element_t``                     ``201402L``
6646035553Spatrick    ------------------------------------------------- -----------------
6746035553Spatrick    ``__cpp_lib_tuples_by_type``                      ``201304L``
6846035553Spatrick    ------------------------------------------------- -----------------
6946035553Spatrick    **C++ 17**
7046035553Spatrick    -------------------------------------------------------------------
7146035553Spatrick    ``__cpp_lib_addressof_constexpr``                 ``201603L``
7246035553Spatrick    ------------------------------------------------- -----------------
7346035553Spatrick    ``__cpp_lib_allocator_traits_is_always_equal``    ``201411L``
7446035553Spatrick    ------------------------------------------------- -----------------
7546035553Spatrick    ``__cpp_lib_any``                                 ``201606L``
7646035553Spatrick    ------------------------------------------------- -----------------
7746035553Spatrick    ``__cpp_lib_apply``                               ``201603L``
7846035553Spatrick    ------------------------------------------------- -----------------
7946035553Spatrick    ``__cpp_lib_array_constexpr``                     ``201603L``
8046035553Spatrick    ------------------------------------------------- -----------------
8146035553Spatrick    ``__cpp_lib_as_const``                            ``201510L``
8246035553Spatrick    ------------------------------------------------- -----------------
8346035553Spatrick    ``__cpp_lib_atomic_is_always_lock_free``          ``201603L``
8446035553Spatrick    ------------------------------------------------- -----------------
8546035553Spatrick    ``__cpp_lib_bool_constant``                       ``201505L``
8646035553Spatrick    ------------------------------------------------- -----------------
87*4bdff4beSrobert    ``__cpp_lib_boyer_moore_searcher``                ``201603L``
8846035553Spatrick    ------------------------------------------------- -----------------
8946035553Spatrick    ``__cpp_lib_byte``                                ``201603L``
9046035553Spatrick    ------------------------------------------------- -----------------
9146035553Spatrick    ``__cpp_lib_chrono``                              ``201611L``
9246035553Spatrick    ------------------------------------------------- -----------------
9346035553Spatrick    ``__cpp_lib_clamp``                               ``201603L``
9446035553Spatrick    ------------------------------------------------- -----------------
9546035553Spatrick    ``__cpp_lib_enable_shared_from_this``             ``201603L``
9646035553Spatrick    ------------------------------------------------- -----------------
9746035553Spatrick    ``__cpp_lib_execution``                           *unimplemented*
9846035553Spatrick    ------------------------------------------------- -----------------
9946035553Spatrick    ``__cpp_lib_filesystem``                          ``201703L``
10046035553Spatrick    ------------------------------------------------- -----------------
10146035553Spatrick    ``__cpp_lib_gcd_lcm``                             ``201606L``
10246035553Spatrick    ------------------------------------------------- -----------------
103*4bdff4beSrobert    ``__cpp_lib_hardware_interference_size``          ``201703L``
10446035553Spatrick    ------------------------------------------------- -----------------
10546035553Spatrick    ``__cpp_lib_has_unique_object_representations``   ``201606L``
10646035553Spatrick    ------------------------------------------------- -----------------
10746035553Spatrick    ``__cpp_lib_hypot``                               ``201603L``
10846035553Spatrick    ------------------------------------------------- -----------------
10946035553Spatrick    ``__cpp_lib_incomplete_container_elements``       ``201505L``
11046035553Spatrick    ------------------------------------------------- -----------------
11146035553Spatrick    ``__cpp_lib_invoke``                              ``201411L``
11246035553Spatrick    ------------------------------------------------- -----------------
11346035553Spatrick    ``__cpp_lib_is_aggregate``                        ``201703L``
11446035553Spatrick    ------------------------------------------------- -----------------
11546035553Spatrick    ``__cpp_lib_is_invocable``                        ``201703L``
11646035553Spatrick    ------------------------------------------------- -----------------
11746035553Spatrick    ``__cpp_lib_is_swappable``                        ``201603L``
11846035553Spatrick    ------------------------------------------------- -----------------
11946035553Spatrick    ``__cpp_lib_launder``                             ``201606L``
12046035553Spatrick    ------------------------------------------------- -----------------
12146035553Spatrick    ``__cpp_lib_logical_traits``                      ``201510L``
12246035553Spatrick    ------------------------------------------------- -----------------
12346035553Spatrick    ``__cpp_lib_make_from_tuple``                     ``201606L``
12446035553Spatrick    ------------------------------------------------- -----------------
12546035553Spatrick    ``__cpp_lib_map_try_emplace``                     ``201411L``
12646035553Spatrick    ------------------------------------------------- -----------------
12746035553Spatrick    ``__cpp_lib_math_special_functions``              *unimplemented*
12846035553Spatrick    ------------------------------------------------- -----------------
129*4bdff4beSrobert    ``__cpp_lib_memory_resource``                     ``201603L``
13046035553Spatrick    ------------------------------------------------- -----------------
13146035553Spatrick    ``__cpp_lib_node_extract``                        ``201606L``
13246035553Spatrick    ------------------------------------------------- -----------------
13346035553Spatrick    ``__cpp_lib_nonmember_container_access``          ``201411L``
13446035553Spatrick    ------------------------------------------------- -----------------
13546035553Spatrick    ``__cpp_lib_not_fn``                              ``201603L``
13646035553Spatrick    ------------------------------------------------- -----------------
13746035553Spatrick    ``__cpp_lib_optional``                            ``201606L``
13846035553Spatrick    ------------------------------------------------- -----------------
13946035553Spatrick    ``__cpp_lib_parallel_algorithm``                  *unimplemented*
14046035553Spatrick    ------------------------------------------------- -----------------
14146035553Spatrick    ``__cpp_lib_raw_memory_algorithms``               ``201606L``
14246035553Spatrick    ------------------------------------------------- -----------------
14346035553Spatrick    ``__cpp_lib_sample``                              ``201603L``
14446035553Spatrick    ------------------------------------------------- -----------------
14546035553Spatrick    ``__cpp_lib_scoped_lock``                         ``201703L``
14646035553Spatrick    ------------------------------------------------- -----------------
14746035553Spatrick    ``__cpp_lib_shared_mutex``                        ``201505L``
14846035553Spatrick    ------------------------------------------------- -----------------
14976d0caaeSpatrick    ``__cpp_lib_shared_ptr_arrays``                   ``201611L``
15046035553Spatrick    ------------------------------------------------- -----------------
15146035553Spatrick    ``__cpp_lib_shared_ptr_weak_type``                ``201606L``
15246035553Spatrick    ------------------------------------------------- -----------------
15346035553Spatrick    ``__cpp_lib_string_view``                         ``201606L``
15446035553Spatrick    ------------------------------------------------- -----------------
15546035553Spatrick    ``__cpp_lib_to_chars``                            *unimplemented*
15646035553Spatrick    ------------------------------------------------- -----------------
15746035553Spatrick    ``__cpp_lib_transparent_operators``               ``201510L``
15846035553Spatrick    ------------------------------------------------- -----------------
15946035553Spatrick    ``__cpp_lib_type_trait_variable_templates``       ``201510L``
16046035553Spatrick    ------------------------------------------------- -----------------
16146035553Spatrick    ``__cpp_lib_uncaught_exceptions``                 ``201411L``
16246035553Spatrick    ------------------------------------------------- -----------------
16346035553Spatrick    ``__cpp_lib_unordered_map_try_emplace``           ``201411L``
16446035553Spatrick    ------------------------------------------------- -----------------
16576d0caaeSpatrick    ``__cpp_lib_variant``                             ``202102L``
16646035553Spatrick    ------------------------------------------------- -----------------
16746035553Spatrick    ``__cpp_lib_void_t``                              ``201411L``
16846035553Spatrick    ------------------------------------------------- -----------------
16976d0caaeSpatrick    **C++ 20**
17046035553Spatrick    -------------------------------------------------------------------
171037e7968Spatrick    ``__cpp_lib_array_constexpr``                     ``201811L``
172037e7968Spatrick    ------------------------------------------------- -----------------
173*4bdff4beSrobert    ``__cpp_lib_assume_aligned``                      ``201811L``
17476d0caaeSpatrick    ------------------------------------------------- -----------------
17576d0caaeSpatrick    ``__cpp_lib_atomic_flag_test``                    ``201907L``
17676d0caaeSpatrick    ------------------------------------------------- -----------------
17776d0caaeSpatrick    ``__cpp_lib_atomic_float``                        *unimplemented*
17876d0caaeSpatrick    ------------------------------------------------- -----------------
17976d0caaeSpatrick    ``__cpp_lib_atomic_lock_free_type_aliases``       ``201907L``
18076d0caaeSpatrick    ------------------------------------------------- -----------------
18146035553Spatrick    ``__cpp_lib_atomic_ref``                          *unimplemented*
18246035553Spatrick    ------------------------------------------------- -----------------
18376d0caaeSpatrick    ``__cpp_lib_atomic_shared_ptr``                   *unimplemented*
18476d0caaeSpatrick    ------------------------------------------------- -----------------
18576d0caaeSpatrick    ``__cpp_lib_atomic_value_initialization``         ``201911L``
18676d0caaeSpatrick    ------------------------------------------------- -----------------
18776d0caaeSpatrick    ``__cpp_lib_atomic_wait``                         ``201907L``
18876d0caaeSpatrick    ------------------------------------------------- -----------------
18976d0caaeSpatrick    ``__cpp_lib_barrier``                             ``201907L``
19076d0caaeSpatrick    ------------------------------------------------- -----------------
19176d0caaeSpatrick    ``__cpp_lib_bind_front``                          ``201907L``
19246035553Spatrick    ------------------------------------------------- -----------------
193*4bdff4beSrobert    ``__cpp_lib_bit_cast``                            ``201806L``
19446035553Spatrick    ------------------------------------------------- -----------------
19576d0caaeSpatrick    ``__cpp_lib_bitops``                              *unimplemented*
19676d0caaeSpatrick    ------------------------------------------------- -----------------
19776d0caaeSpatrick    ``__cpp_lib_bounded_array_traits``                ``201902L``
19876d0caaeSpatrick    ------------------------------------------------- -----------------
199*4bdff4beSrobert    ``__cpp_lib_char8_t``                             ``201907L``
20046035553Spatrick    ------------------------------------------------- -----------------
20176d0caaeSpatrick    ``__cpp_lib_concepts``                            ``202002L``
20246035553Spatrick    ------------------------------------------------- -----------------
20376d0caaeSpatrick    ``__cpp_lib_constexpr_algorithms``                ``201806L``
20446035553Spatrick    ------------------------------------------------- -----------------
205*4bdff4beSrobert    ``__cpp_lib_constexpr_complex``                   ``201711L``
20676d0caaeSpatrick    ------------------------------------------------- -----------------
20776d0caaeSpatrick    ``__cpp_lib_constexpr_dynamic_alloc``             ``201907L``
20876d0caaeSpatrick    ------------------------------------------------- -----------------
20976d0caaeSpatrick    ``__cpp_lib_constexpr_functional``                ``201907L``
21076d0caaeSpatrick    ------------------------------------------------- -----------------
21176d0caaeSpatrick    ``__cpp_lib_constexpr_iterator``                  ``201811L``
21276d0caaeSpatrick    ------------------------------------------------- -----------------
21376d0caaeSpatrick    ``__cpp_lib_constexpr_memory``                    ``201811L``
21476d0caaeSpatrick    ------------------------------------------------- -----------------
21576d0caaeSpatrick    ``__cpp_lib_constexpr_numeric``                   ``201911L``
21676d0caaeSpatrick    ------------------------------------------------- -----------------
217*4bdff4beSrobert    ``__cpp_lib_constexpr_string``                    ``201907L``
21876d0caaeSpatrick    ------------------------------------------------- -----------------
21976d0caaeSpatrick    ``__cpp_lib_constexpr_string_view``               ``201811L``
22076d0caaeSpatrick    ------------------------------------------------- -----------------
22176d0caaeSpatrick    ``__cpp_lib_constexpr_tuple``                     ``201811L``
22276d0caaeSpatrick    ------------------------------------------------- -----------------
22376d0caaeSpatrick    ``__cpp_lib_constexpr_utility``                   ``201811L``
22476d0caaeSpatrick    ------------------------------------------------- -----------------
225*4bdff4beSrobert    ``__cpp_lib_constexpr_vector``                    ``201907L``
22676d0caaeSpatrick    ------------------------------------------------- -----------------
227*4bdff4beSrobert    ``__cpp_lib_coroutine``                           ``201902L``
22846035553Spatrick    ------------------------------------------------- -----------------
22946035553Spatrick    ``__cpp_lib_destroying_delete``                   ``201806L``
23046035553Spatrick    ------------------------------------------------- -----------------
23146035553Spatrick    ``__cpp_lib_endian``                              ``201907L``
23246035553Spatrick    ------------------------------------------------- -----------------
233037e7968Spatrick    ``__cpp_lib_erase_if``                            ``202002L``
23446035553Spatrick    ------------------------------------------------- -----------------
23576d0caaeSpatrick    ``__cpp_lib_execution``                           *unimplemented*
23676d0caaeSpatrick    ------------------------------------------------- -----------------
23776d0caaeSpatrick    ``__cpp_lib_format``                              *unimplemented*
23876d0caaeSpatrick    ------------------------------------------------- -----------------
23976d0caaeSpatrick    ``__cpp_lib_generic_unordered_lookup``            ``201811L``
24076d0caaeSpatrick    ------------------------------------------------- -----------------
24176d0caaeSpatrick    ``__cpp_lib_int_pow2``                            ``202002L``
24276d0caaeSpatrick    ------------------------------------------------- -----------------
24376d0caaeSpatrick    ``__cpp_lib_integer_comparison_functions``        ``202002L``
24446035553Spatrick    ------------------------------------------------- -----------------
24546035553Spatrick    ``__cpp_lib_interpolate``                         ``201902L``
24646035553Spatrick    ------------------------------------------------- -----------------
24746035553Spatrick    ``__cpp_lib_is_constant_evaluated``               ``201811L``
24846035553Spatrick    ------------------------------------------------- -----------------
24976d0caaeSpatrick    ``__cpp_lib_is_layout_compatible``                *unimplemented*
25076d0caaeSpatrick    ------------------------------------------------- -----------------
25176d0caaeSpatrick    ``__cpp_lib_is_nothrow_convertible``              ``201806L``
25276d0caaeSpatrick    ------------------------------------------------- -----------------
25376d0caaeSpatrick    ``__cpp_lib_is_pointer_interconvertible``         *unimplemented*
25476d0caaeSpatrick    ------------------------------------------------- -----------------
25576d0caaeSpatrick    ``__cpp_lib_jthread``                             *unimplemented*
25676d0caaeSpatrick    ------------------------------------------------- -----------------
25776d0caaeSpatrick    ``__cpp_lib_latch``                               ``201907L``
25876d0caaeSpatrick    ------------------------------------------------- -----------------
259037e7968Spatrick    ``__cpp_lib_list_remove_return_type``             ``201806L``
260037e7968Spatrick    ------------------------------------------------- -----------------
261037e7968Spatrick    ``__cpp_lib_math_constants``                      ``201907L``
26246035553Spatrick    ------------------------------------------------- -----------------
263*4bdff4beSrobert    ``__cpp_lib_polymorphic_allocator``               ``201902L``
26476d0caaeSpatrick    ------------------------------------------------- -----------------
265*4bdff4beSrobert    ``__cpp_lib_ranges``                              ``202106L``
26646035553Spatrick    ------------------------------------------------- -----------------
26776d0caaeSpatrick    ``__cpp_lib_remove_cvref``                        ``201711L``
26876d0caaeSpatrick    ------------------------------------------------- -----------------
26976d0caaeSpatrick    ``__cpp_lib_semaphore``                           ``201907L``
27076d0caaeSpatrick    ------------------------------------------------- -----------------
271*4bdff4beSrobert    ``__cpp_lib_shared_ptr_arrays``                   ``201707L``
272*4bdff4beSrobert    ------------------------------------------------- -----------------
27376d0caaeSpatrick    ``__cpp_lib_shift``                               ``201806L``
27476d0caaeSpatrick    ------------------------------------------------- -----------------
27576d0caaeSpatrick    ``__cpp_lib_smart_ptr_for_overwrite``             *unimplemented*
27676d0caaeSpatrick    ------------------------------------------------- -----------------
277*4bdff4beSrobert    ``__cpp_lib_source_location``                     ``201907L``
27876d0caaeSpatrick    ------------------------------------------------- -----------------
279037e7968Spatrick    ``__cpp_lib_span``                                ``202002L``
280037e7968Spatrick    ------------------------------------------------- -----------------
28176d0caaeSpatrick    ``__cpp_lib_ssize``                               ``201902L``
28276d0caaeSpatrick    ------------------------------------------------- -----------------
28376d0caaeSpatrick    ``__cpp_lib_starts_ends_with``                    ``201711L``
28476d0caaeSpatrick    ------------------------------------------------- -----------------
28576d0caaeSpatrick    ``__cpp_lib_string_view``                         ``201803L``
28676d0caaeSpatrick    ------------------------------------------------- -----------------
28776d0caaeSpatrick    ``__cpp_lib_syncbuf``                             *unimplemented*
28876d0caaeSpatrick    ------------------------------------------------- -----------------
28946035553Spatrick    ``__cpp_lib_three_way_comparison``                *unimplemented*
290037e7968Spatrick    ------------------------------------------------- -----------------
29176d0caaeSpatrick    ``__cpp_lib_to_address``                          ``201711L``
29276d0caaeSpatrick    ------------------------------------------------- -----------------
293037e7968Spatrick    ``__cpp_lib_to_array``                            ``201907L``
29476d0caaeSpatrick    ------------------------------------------------- -----------------
295*4bdff4beSrobert    ``__cpp_lib_type_identity``                       ``201806L``
296*4bdff4beSrobert    ------------------------------------------------- -----------------
29776d0caaeSpatrick    ``__cpp_lib_unwrap_ref``                          ``201811L``
29876d0caaeSpatrick    ------------------------------------------------- -----------------
29976d0caaeSpatrick    **C++ 2b**
30076d0caaeSpatrick    -------------------------------------------------------------------
301*4bdff4beSrobert    ``__cpp_lib_adaptor_iterator_pair_constructor``   ``202106L``
302*4bdff4beSrobert    ------------------------------------------------- -----------------
303*4bdff4beSrobert    ``__cpp_lib_allocate_at_least``                   ``202106L``
304*4bdff4beSrobert    ------------------------------------------------- -----------------
305*4bdff4beSrobert    ``__cpp_lib_associative_heterogeneous_erasure``   *unimplemented*
306*4bdff4beSrobert    ------------------------------------------------- -----------------
307*4bdff4beSrobert    ``__cpp_lib_bind_back``                           *unimplemented*
308*4bdff4beSrobert    ------------------------------------------------- -----------------
309*4bdff4beSrobert    ``__cpp_lib_byteswap``                            ``202110L``
310*4bdff4beSrobert    ------------------------------------------------- -----------------
311*4bdff4beSrobert    ``__cpp_lib_constexpr_bitset``                    ``202207L``
312*4bdff4beSrobert    ------------------------------------------------- -----------------
313*4bdff4beSrobert    ``__cpp_lib_constexpr_charconv``                  ``202207L``
314*4bdff4beSrobert    ------------------------------------------------- -----------------
315*4bdff4beSrobert    ``__cpp_lib_constexpr_cmath``                     *unimplemented*
316*4bdff4beSrobert    ------------------------------------------------- -----------------
317*4bdff4beSrobert    ``__cpp_lib_constexpr_memory``                    ``202202L``
318*4bdff4beSrobert    ------------------------------------------------- -----------------
319*4bdff4beSrobert    ``__cpp_lib_constexpr_typeinfo``                  *unimplemented*
320*4bdff4beSrobert    ------------------------------------------------- -----------------
321*4bdff4beSrobert    ``__cpp_lib_expected``                            ``202202L``
322*4bdff4beSrobert    ------------------------------------------------- -----------------
323*4bdff4beSrobert    ``__cpp_lib_forward_like``                        ``202207L``
324*4bdff4beSrobert    ------------------------------------------------- -----------------
325*4bdff4beSrobert    ``__cpp_lib_invoke_r``                            *unimplemented*
326*4bdff4beSrobert    ------------------------------------------------- -----------------
32776d0caaeSpatrick    ``__cpp_lib_is_scoped_enum``                      ``202011L``
32876d0caaeSpatrick    ------------------------------------------------- -----------------
329*4bdff4beSrobert    ``__cpp_lib_move_only_function``                  *unimplemented*
330*4bdff4beSrobert    ------------------------------------------------- -----------------
331*4bdff4beSrobert    ``__cpp_lib_optional``                            ``202110L``
332*4bdff4beSrobert    ------------------------------------------------- -----------------
333*4bdff4beSrobert    ``__cpp_lib_out_ptr``                             *unimplemented*
334*4bdff4beSrobert    ------------------------------------------------- -----------------
335*4bdff4beSrobert    ``__cpp_lib_ranges_as_rvalue``                    ``202207L``
336*4bdff4beSrobert    ------------------------------------------------- -----------------
337*4bdff4beSrobert    ``__cpp_lib_ranges_chunk``                        *unimplemented*
338*4bdff4beSrobert    ------------------------------------------------- -----------------
339*4bdff4beSrobert    ``__cpp_lib_ranges_chunk_by``                     *unimplemented*
340*4bdff4beSrobert    ------------------------------------------------- -----------------
341*4bdff4beSrobert    ``__cpp_lib_ranges_iota``                         *unimplemented*
342*4bdff4beSrobert    ------------------------------------------------- -----------------
343*4bdff4beSrobert    ``__cpp_lib_ranges_join_with``                    *unimplemented*
344*4bdff4beSrobert    ------------------------------------------------- -----------------
345*4bdff4beSrobert    ``__cpp_lib_ranges_slide``                        *unimplemented*
346*4bdff4beSrobert    ------------------------------------------------- -----------------
347*4bdff4beSrobert    ``__cpp_lib_ranges_starts_ends_with``             *unimplemented*
348*4bdff4beSrobert    ------------------------------------------------- -----------------
349*4bdff4beSrobert    ``__cpp_lib_ranges_to_container``                 *unimplemented*
350*4bdff4beSrobert    ------------------------------------------------- -----------------
351*4bdff4beSrobert    ``__cpp_lib_ranges_zip``                          *unimplemented*
352*4bdff4beSrobert    ------------------------------------------------- -----------------
353*4bdff4beSrobert    ``__cpp_lib_reference_from_temporary``            *unimplemented*
354*4bdff4beSrobert    ------------------------------------------------- -----------------
355*4bdff4beSrobert    ``__cpp_lib_spanstream``                          *unimplemented*
356*4bdff4beSrobert    ------------------------------------------------- -----------------
35776d0caaeSpatrick    ``__cpp_lib_stacktrace``                          *unimplemented*
35876d0caaeSpatrick    ------------------------------------------------- -----------------
359*4bdff4beSrobert    ``__cpp_lib_stdatomic_h``                         ``202011L``
36076d0caaeSpatrick    ------------------------------------------------- -----------------
36176d0caaeSpatrick    ``__cpp_lib_string_contains``                     ``202011L``
36276d0caaeSpatrick    ------------------------------------------------- -----------------
363*4bdff4beSrobert    ``__cpp_lib_string_resize_and_overwrite``         ``202110L``
364*4bdff4beSrobert    ------------------------------------------------- -----------------
36576d0caaeSpatrick    ``__cpp_lib_to_underlying``                       ``202102L``
366*4bdff4beSrobert    ------------------------------------------------- -----------------
367*4bdff4beSrobert    ``__cpp_lib_unreachable``                         ``202202L``
36846035553Spatrick    ================================================= =================
36946035553Spatrick
370