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[libc++] LWG4025: Move assignment operator of std::expected<cv void, E> should not be conditionally deleted #109363

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Merged
merged 3 commits into from
Sep 27, 2024
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[libc++] LWG4025: Move assignment operator of std::expected<cv void, E> should not be conditionally deleted #109363

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e504185
[libc++] LWG4025: Move assignment operator of 'std::expected<cv void,…
xiaoyang-sde Sep 20, 2024
8e1de55
[libc++] LWG4025: Move assignment operator of 'std::expected<cv void,…
xiaoyang-sde Sep 20, 2024
8626ee8
[libc++] LWG4025: Move assignment operator of 'std::expected<cv void,…
xiaoyang-sde Sep 26, 2024
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2 changes: 1 addition & 1 deletion libcxx/docs/Status/Cxx2cIssues.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@
"`LWG4013 <https://wg21.link/LWG4013>`__","``lazy_split_view::outer-iterator::value_type`` should not provide default constructor","2024-03 (Tokyo)","","",""
"`LWG4016 <https://wg21.link/LWG4016>`__","container-insertable checks do not match what container-inserter does","2024-03 (Tokyo)","","",""
"`LWG4023 <https://wg21.link/LWG4023>`__","Preconditions of ``std::basic_streambuf::setg/setp``","2024-03 (Tokyo)","|Complete|","19.0",""
"`LWG4025 <https://wg21.link/LWG4025>`__","Move assignment operator of ``std::expected<cv void, E>`` should not be conditionally deleted","2024-03 (Tokyo)","","",""
"`LWG4025 <https://wg21.link/LWG4025>`__","Move assignment operator of ``std::expected<cv void, E>`` should not be conditionally deleted","2024-03 (Tokyo)","|Complete|","20.0",""
"`LWG4030 <https://wg21.link/LWG4030>`__","Clarify whether arithmetic expressions in ``[numeric.sat.func]`` are mathematical or C++","2024-03 (Tokyo)","|Nothing To Do|","",""
"`LWG4031 <https://wg21.link/LWG4031>`__","``bad_expected_access<void>`` member functions should be ``noexcept``","2024-03 (Tokyo)","|Complete|","16.0",""
"`LWG4035 <https://wg21.link/LWG4035>`__","``single_view`` should provide ``empty``","2024-03 (Tokyo)","|Complete|","19.0",""
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2 changes: 0 additions & 2 deletions libcxx/include/__expected/expected.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1493,8 +1493,6 @@ class expected<_Tp, _Err> : private __expected_void_base<_Err> {
return *this;
}

_LIBCPP_HIDE_FROM_ABI constexpr expected& operator=(expected&&) = delete;

_LIBCPP_HIDE_FROM_ABI constexpr expected&
operator=(expected&& __rhs) noexcept(is_nothrow_move_assignable_v<_Err> && is_nothrow_move_constructible_v<_Err>)
requires(is_move_assignable_v<_Err> && is_move_constructible_v<_Err>)
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