Difference between revisions of "cpp/utility/feature test"

Revision as of 06:35, 12 June 2021

Each of following macros is defined if the header <version> or one of the corresponding headers specified in the table is included.

Macro name	Value	Header
`__cpp_lib_addressof_constexpr`	201603L	`<memory>`
`__cpp_lib_allocator_traits_is_always_equal`	201411L	`<memory>` `<scoped_allocator>` `<string>` `<deque>` `<forward_list>` `<list>` `<vector>` `<map>` `<set>` `<unordered_map>` `<unordered_set>`
`__cpp_lib_any`	201606L	`<any>`
`__cpp_lib_apply`	201603L	`<tuple>`
`__cpp_lib_array_constexpr`	201811L	`<iterator>` `<array>`
`__cpp_lib_as_const`	201510L	`<utility>`
`__cpp_lib_assume_aligned`	201811L	`<memory>`
`__cpp_lib_atomic_flag_test`	201907L	`<atomic>`
`__cpp_lib_atomic_float`	201711L	`<atomic>`
`__cpp_lib_atomic_is_always_lock_free`	201603L	`<atomic>`
`__cpp_lib_atomic_lock_free_type_aliases`	201907L	`<atomic>`
`__cpp_lib_atomic_ref`	201806L	`<atomic>`
`__cpp_lib_atomic_shared_ptr`	201711L	`<memory>`
`__cpp_lib_atomic_value_initialization`	201911L	`<atomic>` `<memory>`
`__cpp_lib_atomic_wait`	201907L	`<atomic>`
`__cpp_lib_barrier`	201907L	`<barrier>`
`__cpp_lib_bind_front`	201907L	`<functional>`
`__cpp_lib_bit_cast`	201806L	`<bit>`
`__cpp_lib_bitops`	201907L	`<bit>`
`__cpp_lib_bool_constant`	201505L	`<type_traits>`
`__cpp_lib_bounded_array_traits`	201902L	`<type_traits>`
`__cpp_lib_boyer_moore_searcher`	201603L	`<functional>`
`__cpp_lib_byte`	201603L	`<cstddef>`
`__cpp_lib_char8_t`	201907L	`<atomic>` `<filesystem>` `<istream>` `<limits>` `<locale>` `<ostream>` `<string>` `<string_view>`
`__cpp_lib_chrono`	201907L	`<chrono>`
`__cpp_lib_chrono_udls`	201304L	`<chrono>`
`__cpp_lib_clamp`	201603L	`<algorithm>`
`__cpp_lib_complex_udls`	201309L	`<complex>`
`__cpp_lib_concepts`	202002L	`<concepts>`
`__cpp_lib_constexpr_algorithms`	201806L	`<algorithm>`
`__cpp_lib_constexpr_complex`	201711L	`<complex>`
`__cpp_lib_constexpr_dynamic_alloc`	201907L	`<memory>`
`__cpp_lib_constexpr_functional`	201907L	`<functional>`
`__cpp_lib_constexpr_iterator`	201811L	`<iterator>`
`__cpp_lib_constexpr_memory`	201811L	`<memory>`
`__cpp_lib_constexpr_numeric`	201911L	`<numeric>`
`__cpp_lib_constexpr_string`	201907L	`<string>`
`__cpp_lib_constexpr_string_view`	201811L	`<string_view>`
`__cpp_lib_constexpr_tuple`	201811L	`<tuple>`
`__cpp_lib_constexpr_utility`	201811L	`<utility>`
`__cpp_lib_constexpr_vector`	201907L	`<vector>`
`__cpp_lib_coroutine`	201902L	`<coroutine>`
`__cpp_lib_destroying_delete`	201806L	`<new>`
`__cpp_lib_enable_shared_from_this`	201603L	`<memory>`
`__cpp_lib_endian`	201907L	`<bit>`
`__cpp_lib_erase_if`	202002L	`<string>` `<deque>` `<forward_list>` `<list>` `<vector>` `<map>` `<set>` `<unordered_map>` `<unordered_set>`
`__cpp_lib_exchange_function`	201304L	`<utility>`
`__cpp_lib_execution`	201902L	`<execution>`
`__cpp_lib_filesystem`	201703L	`<filesystem>`
`__cpp_lib_format`	201907L	`<format>`
`__cpp_lib_gcd_lcm`	201606L	`<numeric>`
`__cpp_lib_generic_associative_lookup`	201304L	`<map>` `<set>`
`__cpp_lib_generic_unordered_lookup`	201811L	`<unordered_map>` `<unordered_set>`
`__cpp_lib_hardware_interference_size`	201703L	`<new>`
`__cpp_lib_has_unique_object_representations`	201606L	`<type_traits>`
`__cpp_lib_hypot`	201603L	`<cmath>`
`__cpp_lib_incomplete_container_elements`	201505L	`<forward_list>` `<list>` `<vector>`
`__cpp_lib_int_pow2`	202002L	`<bit>`
`__cpp_lib_integer_comparison_functions`	202002L	`<utility>`
`__cpp_lib_integer_sequence`	201304L	`<utility>`
`__cpp_lib_integral_constant_callable`	201304L	`<type_traits>`
`__cpp_lib_interpolate`	201902L	`<cmath>` `<numeric>`
`__cpp_lib_invoke`	201411L	`<functional>`
`__cpp_lib_is_aggregate`	201703L	`<type_traits>`
`__cpp_lib_is_constant_evaluated`	201811L	`<type_traits>`
`__cpp_lib_is_final`	201402L	`<type_traits>`
`__cpp_lib_is_invocable`	201703L	`<type_traits>`
`__cpp_lib_is_layout_compatible`	201907L	`<type_traits>`
`__cpp_lib_is_nothrow_convertible`	201806L	`<type_traits>`
`__cpp_lib_is_null_pointer`	201309L	`<type_traits>`
`__cpp_lib_is_pointer_interconvertible`	201907L	`<type_traits>`
`__cpp_lib_is_scoped_enum`	202011L	`<type_traits>`
`__cpp_lib_is_swappable`	201603L	`<type_traits>`
`__cpp_lib_jthread`	201911L	`<stop_token>` `<thread>`
`__cpp_lib_latch`	201907L	`<latch>`
`__cpp_lib_launder`	201606L	`<new>`
`__cpp_lib_list_remove_return_type`	201806L	`<forward_list>` `<list>`
`__cpp_lib_logical_traits`	201510L	`<type_traits>`
`__cpp_lib_make_from_tuple`	201606L	`<tuple>`
`__cpp_lib_make_reverse_iterator`	201402L	`<iterator>`
`__cpp_lib_make_unique`	201304L	`<memory>`
`__cpp_lib_map_try_emplace`	201411L	`<map>`
`__cpp_lib_math_constants`	201907L	`<numbers>`
`__cpp_lib_math_special_functions`	201603L	`<cmath>`
`__cpp_lib_memory_resource`	201603L	`<memory_resource>`
`__cpp_lib_node_extract`	201606L	`<map>` `<set>` `<unordered_map>` `<unordered_set>`
`__cpp_lib_nonmember_container_access`	201411L	`<array>` `<deque>` `<forward_list>` `<iterator>` `<list>` `<map>` `<regex>` `<set>` `<string>` `<unordered_map>` `<unordered_set>` `<vector>`
`__cpp_lib_not_fn`	201603L	`<functional>`
`__cpp_lib_null_iterators`	201304L	`<iterator>`
`__cpp_lib_optional`	201606L	`<optional>`
`__cpp_lib_parallel_algorithm`	201603L	`<algorithm>` `<numeric>`
`__cpp_lib_polymorphic_allocator`	201902L	`<memory_resource>`
`__cpp_lib_quoted_string_io`	201304L	`<iomanip>`
`__cpp_lib_ranges`	201911L	`<algorithm>` `<functional>` `<iterator>` `<memory>` `<ranges>`
`__cpp_lib_raw_memory_algorithms`	201606L	`<memory>`
`__cpp_lib_remove_cvref`	201711L	`<type_traits>`
`__cpp_lib_result_of_sfinae`	201210L	`<functional>` `<type_traits>`
`__cpp_lib_robust_nonmodifying_seq_ops`	201304L	`<algorithm>`
`__cpp_lib_sample`	201603L	`<algorithm>`
`__cpp_lib_scoped_lock`	201703L	`<mutex>`
`__cpp_lib_semaphore`	201907L	`<semaphore>`
`__cpp_lib_shared_mutex`	201505L	`<shared_mutex>`
`__cpp_lib_shared_ptr_arrays`	201707L	`<memory>`
`__cpp_lib_shared_ptr_weak_type`	201606L	`<memory>`
`__cpp_lib_shared_timed_mutex`	201402L	`<shared_mutex>`
`__cpp_lib_shift`	201806L	`<algorithm>`
`__cpp_lib_smart_ptr_for_overwrite`	202002L	`<memory>`
`__cpp_lib_source_location`	201907L	`<source_location>`
`__cpp_lib_span`	202002L	`<span>`
`__cpp_lib_ssize`	201902L	`<iterator>`
`__cpp_lib_stacktrace`	202011L	`<stacktrace>`
`__cpp_lib_starts_ends_with`	201711L	`<string>` `<string_view>`
`__cpp_lib_stdatomic_h`	202011L	`<stdatomic.h>`
`__cpp_lib_string_contains`	202011L	`<string>` `<string_view>`
`__cpp_lib_string_udls`	201304L	`<string>`
`__cpp_lib_string_view`	201803L	`<string>` `<string_view>`
`__cpp_lib_syncbuf`	201803L	`<syncstream>`
`__cpp_lib_three_way_comparison`	201907L	`<compare>`
`__cpp_lib_to_address`	201711L	`<memory>`
`__cpp_lib_to_array`	201907L	`<array>`
`__cpp_lib_to_chars`	201611L	`<charconv>`
`__cpp_lib_to_underlying`	202102L	`<utility>`
`__cpp_lib_transformation_trait_aliases`	201304L	`<type_traits>`
`__cpp_lib_transparent_operators`	201510L	`<memory>` `<functional>`
`__cpp_lib_tuple_element_t`	201402L	`<tuple>`
`__cpp_lib_tuples_by_type`	201304L	`<utility>` `<tuple>`
`__cpp_lib_type_identity`	201806L	`<type_traits>`
`__cpp_lib_type_trait_variable_templates`	201510L	`<type_traits>`
`__cpp_lib_uncaught_exceptions`	201411L	`<exception>`
`__cpp_lib_unordered_map_try_emplace`	201411L	`<unordered_map>`
`__cpp_lib_unwrap_ref`	201811L	`<type_traits>`
`__cpp_lib_variant`	202102L	`<variant>`
`__cpp_lib_void_t`	201411L	`<type_traits>`

@@ Line 123: / Line 123: @@
 |-
 |  {{tt|__cpp_lib_concepts}}
-| 201907L
+| 202002L
 | {{header|concepts}}
 |-
@@ Line 173: / Line 173: @@
 | 201907L
 | {{header|vector}}
+|-
+|  {{tt|__cpp_lib_coroutine}}
+| 201902L
+| {{header|coroutine}}
 |-
 |  {{tt|__cpp_lib_destroying_delete}}
@@ Line 187: / Line 191: @@
 |-
 |  {{tt|__cpp_lib_erase_if}}
-| 201811L
+| 202002L
 | {{header|string}} {{header|deque}} {{header|forward_list}} {{header|list}} {{header|vector}} {{header|map}} {{header|set}} {{header|unordered_map}} {{header|unordered_set}}
 |-
@@ Line 235: / Line 239: @@
 |-
 |  {{tt|__cpp_lib_int_pow2}}
-| 201806L
+| 202002L
 | {{header|bit}}
+|-
+|  {{tt|__cpp_lib_integer_comparison_functions}}
+| 202002L
+| {{header|utility}}
 |-
 |  {{tt|__cpp_lib_integer_sequence}}
@@ Line 272: / Line 280: @@
 |  {{tt|__cpp_lib_is_layout_compatible}}
 | 201907L
+| {{header|type_traits}}
+|-
+|  {{tt|__cpp_lib_is_nothrow_convertible}}
+| 201806L
 | {{header|type_traits}}
 |-
@@ Line 280: / Line 292: @@
 |  {{tt|__cpp_lib_is_pointer_interconvertible}}
 | 201907L
+| {{header|type_traits}}
+|-
+|  {{tt|__cpp_lib_is_scoped_enum}}
+| 202011L
 | {{header|type_traits}}
 |-
@@ Line 340: / Line 356: @@
 |  {{tt|__cpp_lib_nonmember_container_access}}
 | 201411L
-| {{header|iterator}} {{header|array}} {{header|deque}} {{header|forward_list}} {{header|list}} {{header|map}} {{header|regex}} {{header|set}} {{header|string}} {{header|unordered_map}} {{header|unordered_set}} {{header|vector}}
+| {{header|array}} {{header|deque}} {{header|forward_list}} {{header|iterator}} {{header|list}} {{header|map}} {{header|regex}} {{header|set}} {{header|string}} {{header|unordered_map}} {{header|unordered_set}} {{header|vector}}
 |-
 |  {{tt|__cpp_lib_not_fn}}
 | 201603L
 | {{header|functional}}
-|-
-|  {{tt|__cpp_lib_nothrow_convertible}}
-| 201806L
-| {{header|type_traits}}
 |-
 |  {{tt|__cpp_lib_null_iterators}}
@@ Line 364: / Line 376: @@
 |  {{tt|__cpp_lib_polymorphic_allocator}}
 | 201902L
-| {{header|memory}}
+| {{header|memory_resource}}
 |-
 |  {{tt|__cpp_lib_quoted_string_io}}
@@ Line 384: / Line 396: @@
 |  {{tt|__cpp_lib_result_of_sfinae}}
 | 201210L
-| {{header|type_traits}} {{header|functional}}
+| {{header|functional}} {{header|type_traits}}
 |-
 |  {{tt|__cpp_lib_robust_nonmodifying_seq_ops}}
@@ Line 423: / Line 435: @@
 |-
 |  {{tt|__cpp_lib_smart_ptr_for_overwrite}}
-| 201811L
+| 202002L
 | {{header|memory}}
 |-
@@ Line 437: / Line 449: @@
 | 201902L
 | {{header|iterator}}
+|-
+|  {{tt|__cpp_lib_stacktrace}}
+| 202011L
+| {{header|stacktrace}}
 |-
 |  {{tt|__cpp_lib_starts_ends_with}}
 | 201711L
+| {{header|string}} {{header|string_view}}
+|-
+|  {{tt|__cpp_lib_stdatomic_h}}
+| 202011L
+| {{header|stdatomic.h}}
+|-
+|  {{tt|__cpp_lib_string_contains}}
+| 202011L
 | {{header|string}} {{header|string_view}}
 |-
@@ Line 469: / Line 493: @@
 | 201611L
 | {{header|charconv}}
+|-
+|  {{tt|__cpp_lib_to_underlying}}
+| 202102L
+| {{header|utility}}
 |-
 |  {{tt|__cpp_lib_transformation_trait_aliases}}
@@ Line 484: / Line 512: @@
 |  {{tt|__cpp_lib_tuples_by_type}}
 | 201304L
-| {{header|tuple}} {{header|utility}}
+| {{header|utility}} {{header|tuple}}
 |-
 |  {{tt|__cpp_lib_type_identity}}
@@ Line 507: / Line 535: @@
 |-
 |  {{tt|__cpp_lib_variant}}
-| 201606L
+| 202102L
 | {{header|variant}}
 |-

Compiler support
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Feature test macros (C++20)
Language support library
Concepts library (C++20)
Metaprogramming library (C++11)
Diagnostics library
General utilities library
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Containers library
Iterators library
Ranges library (C++20)
Algorithms library
Numerics library
Localizations library
Input/output library
Filesystem library (C++17)
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Concurrency support library (C++11)
Execution support library (C++26)
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Difference between revisions of "cpp/utility/feature test"

Revision as of 06:35, 12 June 2021

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