Hristo Hristov cbcda2dc08

[libc++] Applied [[nodiscard]] to more Language Support classes (#171078) ...

[[nodiscard]] should be applied to functions where discarding the return
value is most likely a correctness issue.

- https://libcxx.llvm.org/CodingGuidelines.html
- https://wg21.link/support

Towards #172124

Implemented in this release:
- [x] `type_info`
- [x] `type_index`
- [x] `bad_alloc`, `bad_array_new_length`

2025-12-23 18:46:37 +02:00

..

__algorithm

[libc++] Optimize rotate (#120890)

2025-12-23 10:18:43 +01:00

__atomic

[libc++] Allows any types of size 4 and 8 to use native platform ulock_wait (#161086)

2025-12-07 12:04:11 +00:00

__bit

[libc++] Optimize std::has_single_bit (#133063)

2025-11-21 13:59:38 +01:00

__charconv

[libc++] Remove is_signed<T> use from <limits> (#168334)

2025-11-19 18:50:27 +01:00

__chrono

[libcxx] Implement C++20 std::chrono::is_clock, std::chrono::is_clock_v (#160607)

2025-11-06 12:33:44 -08:00

__compare

[libc++][concepts] P2404R3: Move-only types for equality_comparable_with, totally_ordered_with, and three_way_comparable_with (#99420)

2025-12-19 17:56:32 +08:00

__concepts

[libc++][concepts] P2404R3: Move-only types for equality_comparable_with, totally_ordered_with, and three_way_comparable_with (#99420)

2025-12-19 17:56:32 +08:00

__condition_variable

[libc++] Applied [[nodiscard]] to concurrency (partially) (#169463)

2025-11-27 00:04:27 +02:00

__configuration

[libc++] Add an ABI flag to make __bit_iterator trivially copyable (#172271)

2025-12-22 10:06:08 +01:00

__coroutine

[libc++] Applied [[nodiscard]] to Language Support (partially) (#169611)

2025-11-26 22:17:38 +02:00

__cstddef

[libc++] Introduce unversioned namespace macros (#133009)

2025-03-27 11:34:38 +01:00

__cxx03

[libc++] Add missing %{flags} substitution to clang-tidy (#171689)

2025-12-18 19:15:04 -05:00

__debug_utils

[libc++] Make the naming of the iterator_traits aliases consistent (#161661)

2025-10-07 14:42:11 +02:00

__exception

[libc++] Applied [[nodiscard]] to <exception>, <stdexcept> and <system_error> (#170837)

2025-12-06 16:10:55 +02:00

__expected

[libc++][expected] Applied [[nodiscard]] (#170245)

2025-12-14 19:11:16 +02:00

__filesystem

[libc++] Mini-cleanup for [[nodiscard]] (#172275)

2025-12-22 00:32:57 +08:00

__flat_map

[libc++] Implement P3567R2 flat_meow fixes (#162022)

2025-12-20 21:18:44 +00:00

__flat_set

[libc++] Implement P3567R2 flat_meow fixes (#162022)

2025-12-20 21:18:44 +00:00

__format

[libc++][format] Applied [[nodiscard]] to more classes (#170808)

2025-12-12 12:16:53 +08:00

__functional

[libc++] Applied [[nodiscard]] to hash<shared_ptr>, hash<unique_ptr>, etc. (#170674)

2025-12-08 06:56:33 +02:00

__fwd

[libc++] Add support for picolibc and newlib in RUNTIMES_USE_LIBC (#147956)

2025-11-28 11:50:06 +00:00

__ios

[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)

2025-04-09 23:47:57 +02:00

__iterator

[libc++] Implement P2988R12: std::optional<T&> (#155202)

2025-11-12 11:00:08 +08:00

__locale_dir

[libc++][AIX] Move to new locale APIs (#172068)

2025-12-18 08:27:10 -05:00

__math

[libc++] Fix LLVM 22 TODOs (#153367)

2025-10-30 10:34:41 +01:00

__mdspan

[libc++] Mini-cleanup for [[nodiscard]] (#172275)

2025-12-22 00:32:57 +08:00

__memory

[libc++] Make std::align an inline function (#167472)

2025-12-18 17:55:28 +08:00

__memory_resource

[libc++] Remove a few incorrect _LIBCPP_EXPORTED_FROM_ABI annotations (#132602)

2025-08-26 08:04:28 +02:00

__mutex

[libcxx] LWG4172 fix self-move-assignment in {unique|shared}_lock (#129542)

2025-12-19 15:06:39 +08:00

__new

[libc++] Applied [[nodiscard]] to more Language Support classes (#171078)

2025-12-23 18:46:37 +02:00

__numeric

[libc++][numeric] Marked saturation artithmetic functions as [[nodiscard]] (#166898)

2025-11-09 05:39:36 +02:00

__ostream

[libc++] Granularize <locale> (#146650)

2025-07-05 18:11:58 +02:00

__pstl

[libc++] Make the naming of the iterator_traits aliases consistent (#161661)

2025-10-07 14:42:11 +02:00

__random

[libc++][NFC] Inline mersenne_twister_engine functions into the class body (#170454)

2025-12-04 12:39:27 +01:00

__ranges

[libc++] Implement adjacent_transform (#168208)

2025-12-21 09:08:09 +00:00

__stop_token

[libc++] Remove availability annotations that aren't required anymore (#161640)

2025-10-09 08:46:02 +02:00

__string

[libc++] Refactor __libcpp_is_trivially_equality_comparable to be a variable template (#173151)

2025-12-22 10:04:47 +01:00

__support

[libc++] Optimize num_get integral functions (#121795)

2025-11-24 16:53:58 +01:00

__system_error

[libc++] Applied [[nodiscard]] to <exception>, <stdexcept> and <system_error> (#170837)

2025-12-06 16:10:55 +02:00

__thread

[libc++] Use the C++11 syntax for the no_thread_safety_analysis attribute (#171800)

2025-12-16 11:41:52 +01:00

__tuple

[libc++] Implement adjacent_view (#165089)

2025-12-13 19:33:32 +00:00

__type_traits

[libc++] Refactor __libcpp_is_trivially_equality_comparable to be a variable template (#173151)

2025-12-22 10:04:47 +01:00

__utility

[libc++][pair] Applied [[nodiscard]] (#171999)

2025-12-15 10:42:48 +08:00

__variant

[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)

2025-04-09 23:47:57 +02:00

__vector

[libc++] Optimize vector<bool>::resize() (#172853)

2025-12-20 10:52:48 +01:00

experimental

[libc++] Granularize <locale> (#146650)

2025-07-05 18:11:58 +02:00

ext

[libc++] Fix the rest of __gnu_cxx::hash_XXX copy construction (#160525)

2025-12-02 22:18:50 +01:00

__assert

[libc++][hardening] Add a greppable prefix to assertion messages. (#150560)

2025-07-31 02:52:17 -07:00

__bit_reference

[libc++] Refactor std::equal to forward to the 3-leg overload if the size of the ranges is known (#171585)

2025-12-23 09:04:12 +01:00

__config

[libc++] Use the C++11 syntax for the no_thread_safety_analysis attribute (#171800)

2025-12-16 11:41:52 +01:00

__config_site.in

[libc++] Add support for picolibc and newlib in RUNTIMES_USE_LIBC (#147956)

2025-11-28 11:50:06 +00:00

__hash_table

[libc++] Fix __hash_table::erase(iterator, iterator) to update the bucket list correctly when erasing the last bucket (#167865)

2025-11-17 17:31:55 +01:00

__locale

[libc++] Add support for picolibc and newlib in RUNTIMES_USE_LIBC (#147956)

2025-11-28 11:50:06 +00:00

__log_hardening_failure

[libc++][hardening] Add an experimental function to log hardening errors (#149452)

2025-07-24 13:39:48 -04:00

__mbstate_t.h

[libc++] Do not guard inclusion of wchar.h with _LIBCPP_HAS_WIDE_CHARACTERS (#126924)

2025-02-18 12:12:23 +01:00

__node_handle

[libc++][NFC] Remove special handling for __hash_value_type in <__node_handle> (#147271)

2025-07-10 09:21:46 +02:00

__split_buffer

[libc++] Don't instantiate __split_buffer with an allocator reference (#171651)

2025-12-11 09:31:22 +01:00

__std_mbstate_t.h

…

__tree

[libc++] Fix ranges::for_each taking whole associative containers (#172605)

2025-12-17 12:31:46 -05:00

__undef_macros

…

__verbose_abort

Revert "[libc++] Introduce ABI sensitive areas to avoid requiring _LIBCPP_HIDE_FROM_ABI everywhere (#131156)" (#141756)

2025-05-28 12:04:51 -04:00

__verbose_trap

[libc++] Introduce the _LIBCPP_VERBOSE_TRAP macro (#148262)

2025-07-14 09:56:19 -04:00

algorithm

[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)

2025-04-19 07:12:43 -04:00

any

[libc++][any] Applied [[nodiscard]] (#168826)

2025-11-22 15:03:46 +02:00

array

[libc++][array] Applied [[nodiscard]] (#168829)

2025-11-24 12:32:29 +02:00

atomic

[libc++] Don't implement <stdatomic.h> before C++23 (#123130)

2025-01-17 14:22:40 -05:00

barrier

[libc++] Use native wait in std::barrier instead of sleep loop (#171041)

2025-12-14 09:34:57 +00:00

bit

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

bitset

[libc++] Always return bool from bitset::operator[](size_t) const (#169894)

2025-12-12 09:06:50 +01:00

cassert

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

ccomplex

[libc++] Fix header deprecations (#163356)

2025-11-18 16:05:53 +01:00

cctype

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cerrno

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cfenv

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cfloat

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

charconv

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

chrono

[libcxx] Implement C++20 std::chrono::is_clock, std::chrono::is_clock_v (#160607)

2025-11-06 12:33:44 -08:00

cinttypes

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

ciso646

[libc++] Fix header deprecations (#163356)

2025-11-18 16:05:53 +01:00

climits

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

clocale

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

CMakeLists.txt

[libc++] Implement adjacent_transform (#168208)

2025-12-21 09:08:09 +00:00

cmath

[libc++] Simplify __promote (#136101)

2025-05-08 16:48:57 -04:00

codecvt

Revert "[libc++] Introduce ABI sensitive areas to avoid requiring _LIBCPP_HIDE_FROM_ABI everywhere (#131156)" (#141756)

2025-05-28 12:04:51 -04:00

compare

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

complex

[libc++][complex] Applied [[nodiscard]] (#171027)

2025-12-13 11:19:57 +02:00

complex.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

concepts

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

condition_variable

[libc++] Remove availability annotations that aren't required anymore (#161640)

2025-10-09 08:46:02 +02:00

coroutine

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

csetjmp

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

csignal

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstdalign

[libc++] Fix header deprecations (#163356)

2025-11-18 16:05:53 +01:00

cstdarg

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstdbool

[libc++] Fix header deprecations (#163356)

2025-11-18 16:05:53 +01:00

cstddef

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstdint

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstdio

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstdlib

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cstring

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

ctgmath

[libc++] Fix header deprecations (#163356)

2025-11-18 16:05:53 +01:00

ctime

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

ctype.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

cuchar

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

cwchar

[libc++] Refactor __libcpp_is_trivially_equality_comparable to be a variable template (#173151)

2025-12-22 10:04:47 +01:00

cwctype

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

deque

[libc++] Add missing %{flags} substitution to clang-tidy (#171689)

2025-12-18 19:15:04 -05:00

errno.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

exception

[libc++] Remove <cstdlib> include from <exception> (#166340)

2025-11-05 09:42:35 +01:00

execution

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

expected

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

fenv.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

filesystem

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

flat_map

[libc++] Implement P3567R2 flat_meow fixes (#162022)

2025-12-20 21:18:44 +00:00

flat_set

[libc++] Implement P3567R2 flat_meow fixes (#162022)

2025-12-20 21:18:44 +00:00

float.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

format

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

forward_list

[libc++][forward_list] Applied [[nodiscard]] (#169019)

2025-11-24 16:30:17 +02:00

fstream

[libc++] Enable -Wmissing-prototypes (#116261)

2025-12-16 11:25:07 +01:00

functional

[libc++] P2655R3 common_reference_t of reference_wrapper Should Be a Reference Type (#141408)

2025-07-06 17:32:59 +01:00

future

[libc++] Simplify a few places where we use __index_sequence (#167213)

2025-12-02 15:02:04 +01:00

initializer_list

[libc++] Applied [[nodiscard]] to Language Support (partially) (#169611)

2025-11-26 22:17:38 +02:00

inttypes.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

iomanip

[libc++] Granularize <locale> (#146650)

2025-07-05 18:11:58 +02:00

ios

[libc++] Don't skip localization-related headers in header tests (#134877)

2025-06-10 14:12:46 -04:00

iosfwd

[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)

2025-04-09 23:47:57 +02:00

iostream

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

istream

[libc++][istream] P3223R2: Making std::istream::ignore less surprising (#147007)

2025-09-30 11:26:30 -04:00

iterator

[libc++][ranges] Ensure range access CPOs are provided in <iterator> (#151745)

2025-08-18 13:26:13 +08:00

latch

[libc++] Applied [[nodiscard]] to concurrency (partially) (#169463)

2025-11-27 00:04:27 +02:00

limits

[libc++] Remove is_signed<T> use from <limits> (#168334)

2025-11-19 18:50:27 +01:00

list

[libc++][list] Applied [[nodiscard]] (#169015)

2025-11-24 12:32:50 +02:00

locale

[libc++] Granularize <locale> (#146650)

2025-07-05 18:11:58 +02:00

map

[libc++] Remove [[nodiscard]] from map etc. operator[] (#172444)

2025-12-16 12:58:04 +01:00

math.h

[libc++] Workaround for a bug of overloads in MS UCRT's <math.h> (#149234)

2025-08-05 17:47:11 +08:00

mdspan

[libcxx] Mark LWG4275 as complete and remove related TODO (#171665)

2025-12-21 23:56:51 -08:00

memory

[libc++] Implement P2897R7 aligned_accessor: An mdspan accessor expressing pointer over-alignment (#122603)

2025-04-14 17:33:57 -04:00

memory_resource

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

module.modulemap.in

[libc++] Implement adjacent_transform (#168208)

2025-12-21 09:08:09 +00:00

mutex

[libc++] Applied [[nodiscard]] to concurrency (partially) (#169463)

2025-11-27 00:04:27 +02:00

new

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

numbers

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

numeric

[libc++] Implement ranges::iota (#68494)

2025-04-05 13:46:11 +02:00

optional

[libc++][optional] Applied [[nodiscard]] (#170045)

2025-12-12 07:59:48 +02:00

ostream

[libc++] Granularize <locale> (#146650)

2025-07-05 18:11:58 +02:00

print

[libc++] Diagnose passing null pointers to a bunch of APIs (#148585)

2025-07-19 11:12:20 +02:00

queue

[libc++][queue] Applied [[nodiscard]] (#169469)

2025-11-27 09:44:28 +08:00

random

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

ranges

[libc++] Implement adjacent_transform (#168208)

2025-12-21 09:08:09 +00:00

ratio

[libc++] Remove _LIBCPP_TEMPLATE_VIS (#134885)

2025-04-09 23:47:57 +02:00

regex

[libc++][regex] Applied [[nodiscard]] (#170974)

2025-12-23 18:46:00 +02:00

scoped_allocator

[libc++] Simplify a few places where we use __index_sequence (#167213)

2025-12-02 15:02:04 +01:00

semaphore

[libc++] Applied [[nodiscard]] to concurrency (partially) (#169463)

2025-11-27 00:04:27 +02:00

set

[libc++][multiset] Applied [[nodiscard]] (#171654)

2025-12-12 10:26:25 +02:00

shared_mutex

[libcxx] LWG4172 fix self-move-assignment in {unique|shared}_lock (#129542)

2025-12-19 15:06:39 +08:00

source_location

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

span

[libc++][span] Mark functions as [[nodiscard]] (#168033)

2025-11-18 05:38:06 +02:00

sstream

[libc++][NFC] Refactor __is_allocator to be a variable template (#159584)

2025-09-24 10:41:29 +02:00

stack

[libc++][stack] Applied [[nodiscard]] (#169468)

2025-11-25 18:55:34 +02:00

stdatomic.h

[libc++] Don't implement <stdatomic.h> before C++23 (#123130)

2025-01-17 14:22:40 -05:00

stddef.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

stdexcept

[libc++] Applied [[nodiscard]] to <exception>, <stdexcept> and <system_error> (#170837)

2025-12-06 16:10:55 +02:00

stdio.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

stdlib.h

[libc++] Move std::abs into __math/abs.h (#139586)

2025-06-19 10:37:18 +02:00

stop_token

[libc++][C++03] Remove headers which don't provide anything (#134044)

2025-04-09 15:00:46 +02:00

streambuf

[libc++] Add internal checks for some basic_streambuf invariants (#144602)

2025-08-20 11:09:39 -04:00

string

[libc++] Add missing %{flags} substitution to clang-tidy (#171689)

2025-12-18 19:15:04 -05:00

string_view

[libc++][string_view] Applied [[nodiscard]] (#169010)

2025-11-24 18:44:44 +02:00

string.h

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

strstream

Revert "[libc++] Introduce ABI sensitive areas to avoid requiring _LIBCPP_HIDE_FROM_ABI everywhere (#131156)" (#141756)

2025-05-28 12:04:51 -04:00

syncstream

[libc++] Don't skip localization-related headers in header tests (#134877)

2025-06-10 14:12:46 -04:00

system_error

[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)

2025-04-19 07:12:43 -04:00

tgmath.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00

thread

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

tuple

[libc++][tuple] Applied [[nodiscard]] (#172008)

2025-12-16 16:56:10 +02:00

type_traits

[libc++] Merge is_{,un}bounded_array.h into is_array.h (#167479)

2025-11-13 09:29:28 +01:00

typeindex

[libc++] Applied [[nodiscard]] to more Language Support classes (#171078)

2025-12-23 18:46:37 +02:00

typeinfo

[libc++] Applied [[nodiscard]] to more Language Support classes (#171078)

2025-12-23 18:46:37 +02:00

uchar.h

[libc++][C++03] Use __cxx03/ headers in C++03 mode (#109002)

2024-12-21 13:01:48 +01:00

unordered_map

[libc++] Remove [[nodiscard]] from map etc. operator[] (#172444)

2025-12-16 12:58:04 +01:00

unordered_set

[libc++][unordered_set] Applied [[nodiscard]] (#170435)

2025-12-15 09:17:35 +02:00

utility

[libcxx] Put std::monostate in <utility> (#128373)

2025-03-25 18:31:57 +01:00

valarray

[libc++][valarray] Applied [[nodiscard]] (#170996)

2025-12-12 11:13:03 +02:00

variant

[libc++][variant] Applied [[nodiscard]] (#172058)

2025-12-22 10:01:00 +02:00

vector

[libc++] Backport segmented iterator optimization for std::for_each to C++11 (#134960)

2025-04-19 07:12:43 -04:00

version

[libc++] Implement P3567R2 flat_meow fixes (#162022)

2025-12-20 21:18:44 +00:00

wchar.h

[libcxx] Fix the #endif comments (#120949)

2024-12-23 07:33:26 -08:00

wctype.h

[libc++][C++03] Remove some of the C++03-specific C wrapper headers (#163772)

2025-10-24 10:08:21 +02:00