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b911ca4231a366ddfd026f190b126bd517f4e640
gcc/libstdc++-v3/include/bits
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Jonathan Wakely b911ca4231 libstdc++: Add [[nodiscard]] attribute to <string> and <string_view> 
libstdc++-v3/ChangeLog:

	* include/bits/basic_string.h (basic_string): Add nodiscard
	attribute to all relevant functions.
	* include/std/string_view (basic_string_view): Likewise.
	* testsuite/21_strings/basic_string/capacity/1.cc: Cast unused
	results to void.
	* testsuite/21_strings/basic_string/capacity/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string/capacity/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string/cons/char/self_move.cc:
	Likewise.
	* testsuite/21_strings/basic_string/element_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string/element_access/char/21674.cc:
	Likewise.
	* testsuite/21_strings/basic_string/element_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string/element_access/wchar_t/21674.cc:
	Likewise.
	* testsuite/21_strings/basic_string/lwg2758.cc: Likewise.
	* testsuite/21_strings/basic_string/lwg2946.cc: Likewise.
	* testsuite/21_strings/basic_string/operations/contains/nonnull.cc:
	Add -Wno-unused-result to options.
	* testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc:
	Likewise.
	* testsuite/21_strings/basic_string/operators/char/1.cc: Cast
	unused results to void.
	* testsuite/21_strings/basic_string/operators/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/capacity/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/char/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/element_access/wchar_t/2.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/contains/nonnull.cc:
	Likewise.
	Add -Wno-unused-result to options.
	* testsuite/21_strings/basic_string_view/operations/ends_with/nonnull.cc:
	Likewise.
	* testsuite/21_strings/basic_string_view/operations/starts_with/nonnull.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/sputbackc/char/1.cc: Cast
	unused results to void.
	* testsuite/27_io/basic_stringbuf/sputbackc/wchar_t/1.cc:
	Likewise.
	* testsuite/27_io/basic_stringbuf/sungetc/char/1.cc: Likewise.
	* testsuite/27_io/basic_stringbuf/sungetc/wchar_t/1.cc:
	Likewise.
2022-08-31 10:28:46 +01:00
..
algorithmfwd.h
libstdc++: Add macros for the inline namespace std::_V2
2022-05-13 13:32:22 +01:00
align.h
Update copyright years.
2022-01-03 10:42:10 +01:00
alloc_traits.h
libstdc++: Improve doxygen docs for std::allocator
2022-05-13 13:32:22 +01:00
allocated_ptr.h
Update copyright years.
2022-01-03 10:42:10 +01:00
allocator.h
libstdc++: Check for size overflow in constexpr allocation [PR105957]
2022-06-14 21:07:47 +01:00
atomic_base.h
libstdc++: Improve doxygen docs for <atomic>
2022-05-13 13:32:22 +01:00
atomic_futex.h
Update copyright years.
2022-01-03 10:42:10 +01:00
atomic_timed_wait.h
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2022-01-03 10:42:10 +01:00
atomic_wait.h
libstdc++: Unblock atomic wait on non-futex platforms [PR106183]
2022-08-04 13:09:39 +01:00
basic_ios.h
Update copyright years.
2022-01-03 10:42:10 +01:00
basic_ios.tcc
Update copyright years.
2022-01-03 10:42:10 +01:00
basic_string.h
libstdc++: Add [[nodiscard]] attribute to <string> and <string_view>
2022-08-31 10:28:46 +01:00
basic_string.tcc
Revert "libstdc++: Optimize operator+(string/char*, char*/string) equally"
2022-08-24 23:47:43 +01:00
boost_concept_check.h
libstdc++: Fix link failure in _OutputIteratorConcept
2022-02-02 16:30:51 +00:00
c++0x_warning.h
Update copyright years.
2022-01-03 10:42:10 +01:00
c++config
libstdc++: Improve doxygen docs for <regex>
2022-05-13 13:32:22 +01:00
char_traits.h
libstdc++: Remove workaround in __gnu_cxx::char_traits::move [PR89074]
2022-07-07 17:38:14 +01:00
charconv.h
Update copyright years.
2022-01-03 10:42:10 +01:00
chrono.h
libstdc++: Invert relationship between std::is_clock and std::is_clock_v
2022-06-27 11:08:16 +01:00
codecvt.h
Update copyright years.
2022-01-03 10:42:10 +01:00
concept_check.h
Update copyright years.
2022-01-03 10:42:10 +01:00
cow_string.h
libstdc++: Add nonnull to starts_with/ends_with/contains string members
2022-08-26 15:29:03 +01:00
cpp_type_traits.h
Update copyright years.
2022-01-03 10:42:10 +01:00
deque.tcc
libstdc++: Prevent -Wstringop-overread warning in std::deque [PR100516]
2022-01-27 23:31:03 +00:00
enable_special_members.h
Update copyright years.
2022-01-03 10:42:10 +01:00
erase_if.h
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2022-01-03 10:42:10 +01:00
forward_list.h
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2022-01-03 10:42:10 +01:00
forward_list.tcc
libstdc++: Add self-merge check to std::forward_list::merge [PR103853]
2022-01-06 14:56:48 +00:00
fs_dir.h
libstdc++: Add comparisons to std::default_sentinel_t (LWG 3719)
2022-08-04 19:37:56 +01:00
fs_fwd.h
libstdc++: Fix filesystem::remove_all races [PR104161]
2022-02-04 19:51:26 +00:00
fs_ops.h
libstdc++: Add nodiscard attribute to filesystem operations
2022-07-01 11:50:18 +01:00
fs_path.h
libstdc++: Simplify fs::path construction using variable template
2022-06-27 11:08:16 +01:00
fstream.tcc
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2022-01-03 10:42:10 +01:00
functexcept.h
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2022-01-03 10:42:10 +01:00
functional_hash.h
libstdc++: Refactor includes for unordered containers
2022-05-26 10:44:45 +01:00
gslice_array.h
Update copyright years.
2022-01-03 10:42:10 +01:00
gslice.h
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2022-01-03 10:42:10 +01:00
hashtable_policy.h
libstdc++: [_Hashtable] Insert range of types convertible to value_type PR 105717
2022-06-15 20:21:52 +02:00
hashtable.h
libstdc++: [_Hashtable] Insert range of types convertible to value_type PR 105717
2022-06-15 20:21:52 +02:00
indirect_array.h
Update copyright years.
2022-01-03 10:42:10 +01:00
invoke.h
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2022-01-03 10:42:10 +01:00
ios_base.h
libstdc++: Update value of __cpp_lib_ios_noreplace macro
2022-08-04 13:10:24 +01:00
istream.tcc
libstdc++: Avoid some more warnings [PR104019]
2022-01-25 21:05:16 +00:00
iterator_concepts.h
libstdc++: Add comparisons to std::default_sentinel_t (LWG 3719)
2022-08-04 19:37:56 +01:00
list.tcc
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2022-01-03 10:42:10 +01:00
locale_classes.h
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2022-01-03 10:42:10 +01:00
locale_classes.tcc
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2022-01-03 10:42:10 +01:00
locale_conv.h
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2022-01-03 10:42:10 +01:00
locale_facets_nonio.h
libstdc++: Remove whitespace before preprocessor directives
2022-05-12 18:04:01 +01:00
locale_facets_nonio.tcc
libstdc++: Work around clang misdesign in time_get<>::get [PR104990]
2022-03-21 11:02:04 +01:00
locale_facets.h
Update copyright years.
2022-01-03 10:42:10 +01:00
locale_facets.tcc
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2022-01-03 10:42:10 +01:00
localefwd.h
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2022-01-03 10:42:10 +01:00
mask_array.h
Update copyright years.
2022-01-03 10:42:10 +01:00
max_size_type.h
Update copyright years.
2022-01-03 10:42:10 +01:00
memory_resource.h
libstdc++: Ensure pmr aliases work without <memory_resource>
2022-05-19 23:38:23 +01:00
memoryfwd.h
Update copyright years.
2022-01-03 10:42:10 +01:00
mofunc_impl.h
libstdc++: Fix typo in doxygen @headerfile command
2022-05-13 13:32:21 +01:00
move_only_function.h
libstdc++: Make std::move_only_function never valueless in std::variant
2022-06-27 11:08:16 +01:00
move.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
new_allocator.h
libstdc++: Fix indentation in allocator base classes
2022-06-14 21:07:47 +01:00
node_handle.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
ostream_insert.h
libstdc++: Improve doxygen docs for algorithms and more
2022-05-13 13:32:22 +01:00
ostream.tcc
Update copyright years.
2022-01-03 10:42:10 +01:00
parse_numbers.h
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2022-01-03 10:42:10 +01:00
postypes.h
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2022-01-03 10:42:10 +01:00
predefined_ops.h
Update copyright years.
2022-01-03 10:42:10 +01:00
ptr_traits.h
libstdc++: Improve doxygen docs for std::pointer_traits
2022-05-13 13:32:22 +01:00
quoted_string.h
Update copyright years.
2022-01-03 10:42:10 +01:00
random.h
Update copyright years.
2022-01-03 10:42:10 +01:00
random.tcc
libstdc++: Simplify std::normal_distribution equality operator
2022-05-06 23:54:09 +01:00
range_access.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
ranges_algo.h
libstdc++: Implement ranges::zip_view from P2321R2
2022-08-24 19:17:27 -04:00
ranges_algobase.h
libstdc++: Remove some unnecessary includes
2022-05-26 10:44:45 +01:00
ranges_base.h
libstdc++: Implement P2415R2 changes to viewable_range / views::all
2022-02-22 09:37:58 -05:00
ranges_cmp.h
libstdc++: Implement P2415R2 changes to viewable_range / views::all
2022-02-22 09:37:58 -05:00
ranges_uninitialized.h
Update copyright years.
2022-01-03 10:42:10 +01:00
ranges_util.h
libstdc++: Implement ranges::zip_view from P2321R2
2022-08-24 19:17:27 -04:00
refwrap.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
regex_automaton.h
Update copyright years.
2022-01-03 10:42:10 +01:00
regex_automaton.tcc
Update copyright years.
2022-01-03 10:42:10 +01:00
regex_compiler.h
libstdc++: Fix -Wmaybe-uninitialized false positive [PR103984]
2022-03-01 15:25:39 +00:00
regex_compiler.tcc
libstdc++: Check for overflow in regex back-reference [PR106607]
2022-08-22 22:52:24 +01:00
regex_constants.h
libstdc++: Improve doxygen docs for <regex>
2022-05-13 13:32:22 +01:00
regex_error.h
libstdc++: Improve doxygen docs for <regex>
2022-05-13 13:32:22 +01:00
regex_executor.h
Update copyright years.
2022-01-03 10:42:10 +01:00
regex_executor.tcc
libstdc++: Reduce template instantiations in <regex>
2022-01-05 13:47:01 +00:00
regex_scanner.h
Update copyright years.
2022-01-03 10:42:10 +01:00
regex_scanner.tcc
libstdc++: Improve std::regex_error::what() strings
2022-01-05 13:47:00 +00:00
regex.h
libstdc++: Add comparisons to std::default_sentinel_t (LWG 3719)
2022-08-04 19:37:56 +01:00
regex.tcc
libstdc++: Reduce template instantiations in <regex>
2022-01-05 13:47:01 +00:00
semaphore_base.h
Update copyright years.
2022-01-03 10:42:10 +01:00
shared_ptr_atomic.h
libstdc++: Improve doxygen docs for <atomic>
2022-05-13 13:32:22 +01:00
shared_ptr_base.h
libstdc++: Avoid some more warnings [PR104019]
2022-01-25 21:05:16 +00:00
shared_ptr.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
slice_array.h
Update copyright years.
2022-01-03 10:42:10 +01:00
specfun.h
libstdc++: Do not use #include inside push visibility scope [PR99871]
2022-05-06 14:43:39 +01:00
sstream.tcc
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2022-01-03 10:42:10 +01:00
std_abs.h
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2022-01-03 10:42:10 +01:00
std_function.h
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2022-01-03 10:42:10 +01:00
std_mutex.h
libstdc++: Improve doxygen docs for <mutex>
2022-05-13 13:32:23 +01:00
std_thread.h
libstdc++: Fix for explicit copy ctors in <thread> and <future> [PR106695]
2022-08-22 22:52:24 +01:00
stl_algo.h
libstdc++: Fix regression in std::stable_sort
2022-08-24 15:22:44 +01:00
stl_algobase.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
stl_bvector.h
libstdc++: Implement std::pair/tuple/misc enhancements from P2321R2
2022-08-23 13:42:37 -04:00
stl_construct.h
libstdc++: Ignore cv-quals when std::allocator<void> constructs
2022-01-14 10:14:25 +00:00
stl_deque.h
libstdc++: Avoid -Wzero-as-null-pointer-constant warning [PR103848]
2022-01-05 13:47:02 +00:00
stl_function.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
stl_heap.h
libstdc++: Make headers include their prerequisites
2022-05-26 10:44:45 +01:00
stl_iterator_base_funcs.h
libstdc++: Make headers include their prerequisites
2022-05-26 10:44:45 +01:00
stl_iterator_base_types.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
stl_iterator.h
libstdc++: Tweak common_iterator::operator-> return type [PR104443]
2022-07-29 10:10:00 +01:00
stl_list.h
Update copyright years.
2022-01-03 10:42:10 +01:00
stl_map.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
stl_multimap.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
stl_multiset.h
Update copyright years.
2022-01-03 10:42:10 +01:00
stl_numeric.h
libstdc++: Improve doxygen docs for algorithms and more
2022-05-13 13:32:22 +01:00
stl_pair.h
libstdc++: Fix fallout from P2321R2 std::pair/tuple enhancements
2022-08-24 16:38:45 -04:00
stl_queue.h
Update copyright years.
2022-01-03 10:42:10 +01:00
stl_raw_storage_iter.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
stl_relops.h
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2022-01-03 10:42:10 +01:00
stl_set.h
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2022-01-03 10:42:10 +01:00
stl_stack.h
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2022-01-03 10:42:10 +01:00
stl_tempbuf.h
libstdc++: Fix deprecated attribute for std::get_temporary_buffer
2022-01-19 00:58:25 +00:00
stl_tree.h
libstdc++: Ensure all feature test macros have type long [PR87193]
2022-01-21 16:07:34 +00:00
stl_uninitialized.h
Update copyright years.
2022-01-03 10:42:10 +01:00
stl_vector.h
libstdc++: Fix missing and incorrect feature test macros [PR105269]
2022-04-14 11:02:37 +01:00
stream_iterator.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
streambuf_iterator.h
libstdc++: Add attribute to features deprecated in C++17 [PR91260]
2022-01-14 11:27:50 +00:00
streambuf.tcc
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2022-01-03 10:42:10 +01:00
string_view.tcc
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2022-01-03 10:42:10 +01:00
stringfwd.h
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2022-01-03 10:42:10 +01:00
this_thread_sleep.h
libstdc++: Move closing brace outside #endif [PR104866]
2022-03-10 21:04:01 +00:00
uniform_int_dist.h
Update copyright years.
2022-01-03 10:42:10 +01:00
unique_lock.h
libstdc++: Improve doxygen docs for <mutex>
2022-05-13 13:32:23 +01:00
unique_ptr.h
libstdc++: Improve doxygen docs for some of <memory>
2022-05-13 13:32:23 +01:00
unordered_map.h
libstdc++: Refactor includes for unordered containers
2022-05-26 10:44:45 +01:00
unordered_set.h
libstdc++: Refactor includes for unordered containers
2022-05-26 10:44:45 +01:00
uses_allocator_args.h
libstdc++: Implement std::pair/tuple/misc enhancements from P2321R2
2022-08-23 13:42:37 -04:00
uses_allocator.h
Update copyright years.
2022-01-03 10:42:10 +01:00
utility.h
libstdc++: Prefer const T to std::add_const_t<T>
2022-07-12 09:13:45 +01:00
valarray_after.h
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2022-01-03 10:42:10 +01:00
valarray_array.h
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2022-01-03 10:42:10 +01:00
valarray_array.tcc
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2022-01-03 10:42:10 +01:00
valarray_before.h
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2022-01-03 10:42:10 +01:00
vector.tcc
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2022-01-03 10:42:10 +01:00