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gcc/libstdc++-v3/include/std
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Jonathan Wakely 0afb9ebaab libstdc++: Always define typedefs and hash functions for wide strings [PR 98725] 
The wstring and wstring_view typedefs should be enabled even if
<wchar.h> isn't supported, because char_traits<wchar_t> works
unconditionally. Similarly, the std::hash specializations for wide
strings do not depend on <wchar.h> support.

Although the primary template works OK for std::char_traits<wchar_t> in
the absence of <wchar.h> support, this patch still defines it as an
explicit specialization for compatibility with declarations that expect
it to be specialized. The explicit specialization just uses the same
__gnu_cxx::char_traits base class as the primary template.

libstdc++-v3/ChangeLog:

	PR libstdc++/98725
	* include/bits/char_traits.h (char_traits<wchar_t>): Define
	explicit specialization unconditionally.
	* include/bits/basic_string.h (hash<wstring>): Define
	unconditionally. Do not check _GLIBCXX_USE_WCHAR_T.
	* include/bits/stringfwd.h (wstring): Likewise.
	* include/debug/string (wstring): Likewise.
	* include/experimental/string_view (experimental::wstring_view)
	(hash<experimental::wstring_view>): Likewise.
	* include/std/string (pmr::wstring, hash<pmr::wstring>):
	Likewise.
	* include/std/string_view (wstring_view, hash<wstring_view>):
	Likewise.
2021-10-09 00:57:49 +01:00
..
algorithm libstdc++: Remove unnecessary uses of <utility> 2021-07-27 12:04:18 +01:00
any libstdc++: Simplify constraints for std::any construction 2021-10-05 15:56:56 +01:00
array libstdc++: Add [[nodiscard]] to sequence containers 2021-08-04 12:54:29 +01:00
atomic libstdc++: Implement std::atomic<T*>::compare_exchange_weak 2021-09-02 18:22:33 +01:00
barrier [libstdc++] Remove unused hasher instance. 2021-06-08 15:41:31 -07:00
bit libstdc++: Fix <bit> to work freestanding [PR 100060] 2021-04-13 17:54:03 +01:00
bitset libstdc++: Fix doxygen markup for group close commands 2021-04-06 16:43:24 +01:00
charconv libstdc++: Don't check always-true condition [PR101965] 2021-08-19 14:57:41 +01:00
chrono libstdc++: Implement ostream insertion for chrono::duration 2021-10-08 12:19:19 +01:00
codecvt Update copyright years. 2021-01-04 10:26:59 +01:00
complex libstdc++: Simplify n-ary arithmetic promotion traits 2021-08-18 14:26:39 +01:00
concepts libstdc++: Implement LWG 3557 change to convertible_to 2021-06-18 11:51:33 -04:00
condition_variable libstdc++: Move C++14 <chrono> components to new <bits/chrono.h> header 2021-10-07 21:12:32 +01:00
coroutine libstdc++: Make coroutine_handle<_Promise>::from_address() noexcept [PR 99021] 2021-02-09 12:31:52 +00:00
deque libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
execution Update copyright years. 2021-01-04 10:26:59 +01:00
filesystem Update copyright years. 2021-01-04 10:26:59 +01:00
forward_list Update copyright years. 2021-01-04 10:26:59 +01:00
fstream libstdc++: Fix doxygen markup for group close commands 2021-04-06 16:43:24 +01:00
functional libstdc++: Implement std::move_only_function for C++23 (P0288R9) 2021-10-06 20:12:01 +01:00
future libstdc++: Reduce headers included by <future> 2021-07-23 13:27:45 +01:00
iomanip Update copyright years. 2021-01-04 10:26:59 +01:00
ios Update copyright years. 2021-01-04 10:26:59 +01:00
iosfwd Update copyright years. 2021-01-04 10:26:59 +01:00
iostream libstdc++: Fix doxygen markup for group close commands 2021-04-06 16:43:24 +01:00
istream libstdc++: Fix constraints for rvalue stream insertion/extraction 2021-05-07 23:45:52 +01:00
iterator Update copyright years. 2021-01-04 10:26:59 +01:00
latch libstdc++: Fix whitespace in license boilerplate 2021-04-21 12:59:58 +01:00
limits libstdc++: Use __extension__ instead of diagnostic pragmas 2021-07-16 15:03:03 +01:00
list Update copyright years. 2021-01-04 10:26:59 +01:00
locale Update copyright years. 2021-01-04 10:26:59 +01:00
map libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
memory libstdc++: Remove garbage collection support for C++23 [P2186R2] 2021-06-22 20:58:43 +01:00
memory_resource libstdc++: Specialize allocator_traits<pmr::polymorphic_allocator<T>> 2021-08-03 15:30:36 +01:00
mutex libstdc++: Move C++14 <chrono> components to new <bits/chrono.h> header 2021-10-07 21:12:32 +01:00
numbers Update copyright years. 2021-01-04 10:26:59 +01:00
numeric libstdc++: Replace incorrect static assertion in std::reduce [PR95833] 2021-06-18 14:46:58 +01:00
optional libstdc++: Add noexcept to std::nullopt_t constructor 2021-09-16 23:06:38 +01:00
ostream libstdc++: Support printing volatile pointers (P1147R1) 2021-10-05 09:35:47 +01:00
queue Update copyright years. 2021-01-04 10:26:59 +01:00
random Update copyright years. 2021-01-04 10:26:59 +01:00
ranges libstdc++: Add std::__conditional_t alias template 2021-10-01 20:34:49 +01:00
ratio libstdc++: Suppress redundant definitions of inline variables 2021-08-03 15:41:11 +01:00
regex libstdc++: Reduce use of debug containers in <regex> 2021-08-09 20:46:56 +01:00
scoped_allocator libstdc++: Improve Doxygen documentation groups [PR 101258] 2021-07-01 00:25:46 +01:00
semaphore libstdc++: Remove #error from <semaphore> implementation [PR 100179] 2021-04-22 13:59:32 +01:00
set libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
shared_mutex libstdc++: Move C++14 <chrono> components to new <bits/chrono.h> header 2021-10-07 21:12:32 +01:00
source_location Update copyright years. 2021-01-04 10:26:59 +01:00
span libstdc++: Add missing constraint to std::span deduction guide [PR102280] 2021-09-16 22:59:47 +01:00
sstream Update copyright years. 2021-01-04 10:26:59 +01:00
stack Update copyright years. 2021-01-04 10:26:59 +01:00
stdexcept libstdc++: Fix doxygen markup for group close commands 2021-04-06 16:43:24 +01:00
stop_token libstdc++: Remove TODO comment 2021-05-10 21:10:34 +01:00
streambuf libstdc++: Fix doxygen markup for group close commands 2021-04-06 16:43:24 +01:00
string libstdc++: Always define typedefs and hash functions for wide strings [PR 98725] 2021-10-09 00:57:49 +01:00
string_view libstdc++: Always define typedefs and hash functions for wide strings [PR 98725] 2021-10-09 00:57:49 +01:00
syncstream libstdc++: Remove noexcept from syncbuf::swap (LWG 3498) 2021-06-25 18:41:30 +01:00
system_error libstdc++: Improvements to Doxygen markup 2021-07-01 18:45:48 +01:00
thread libstdc++: Make std::jthread support pointers to member functions [PR 100612] 2021-10-01 20:36:55 +01:00
tuple libstdc++: Add std::__conditional_t alias template 2021-10-01 20:34:49 +01:00
type_traits libstdc++: Add std::__conditional_t alias template 2021-10-01 20:34:49 +01:00
typeindex Update copyright years. 2021-01-04 10:26:59 +01:00
unordered_map libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
unordered_set libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
utility libstdc++: Add conditional noexcept to std::exchange 2021-08-17 14:22:49 +01:00
valarray libstdc++: Fix non-reserved names in <valarray> 2021-08-25 22:29:26 +01:00
variant libstdc++: Add missing noexcept to std::variant helper 2021-10-04 15:23:28 +01:00
vector libstdc++: Restore debug checks in uniform container erasure functions 2021-10-08 12:20:25 +01:00
version libstdc++: Implement std::move_only_function for C++23 (P0288R9) 2021-10-06 20:12:01 +01:00