[libcxx-commits] [libcxx] [libc++] constexpr `flat_set` (PR #140360)

[via libcxx-commits]

github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
</summary>

``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp,h -- libcxx/include/__flat_set/flat_set.h libcxx/include/__flat_set/utils.h libcxx/test/std/containers/Emplaceable.h libcxx/test/std/containers/container.adaptors/flat.set/flat.set.capacity/empty.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.capacity/max_size.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.capacity/size.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/alloc.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/assign_initializer_list.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/compare.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/containers.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/copy.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/copy_alloc.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/copy_assign.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/default.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/dtor_noexcept.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/initializer_list.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/move.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/move_alloc.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/move_assign.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/range.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_container.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_initializer_list.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.erasure/erase_if.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.iterators/iterator.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.iterators/iterator_comparison.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.iterators/reverse_iterator.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/clear.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/emplace.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/emplace_hint.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/erase_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/erase_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/erase_key.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/erase_key_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/extract.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_cv.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_initializer_list.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_iter_cv.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_iter_rv.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_range.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_rv.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_sorted_initializer_list.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_sorted_iter_iter.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/insert_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/replace.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/swap_free.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.modifiers/swap_member.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.observers/comp.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/contains.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/contains_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/count.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/count_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/equal_range.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/equal_range_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/lower_bound.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/lower_bound_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/upper_bound.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/upper_bound_transparent.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/helpers.h libcxx/test/std/containers/container.adaptors/flat.set/incomplete_type.pass.cpp libcxx/test/std/containers/container.adaptors/flat.set/op_compare.pass.cpp libcxx/test/std/containers/container.adaptors/flat_helpers.h libcxx/test/std/containers/test_compare.h libcxx/test/support/MinSequenceContainer.h
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/libcxx/include/__flat_set/flat_set.h b/libcxx/include/__flat_set/flat_set.h
index 3c44c796a..45d39ad89 100644
--- a/libcxx/include/__flat_set/flat_set.h
+++ b/libcxx/include/__flat_set/flat_set.h
@@ -758,8 +758,8 @@ private:
   }
 
   template <class _Key2, class _Compare2, class _KeyContainer2, class _Predicate>
-  friend typename flat_set<_Key2, _Compare2, _KeyContainer2>::size_type
-  _LIBCPP_CONSTEXPR_SINCE_CXX26 erase_if(flat_set<_Key2, _Compare2, _KeyContainer2>&, _Predicate);
+  friend typename flat_set<_Key2, _Compare2, _KeyContainer2>::size_type _LIBCPP_CONSTEXPR_SINCE_CXX26
+  erase_if(flat_set<_Key2, _Compare2, _KeyContainer2>&, _Predicate);
 
   _KeyContainer __keys_;
   _LIBCPP_NO_UNIQUE_ADDRESS key_compare __compare_;
diff --git a/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_iter_iter.pass.cpp b/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_iter_iter.pass.cpp
index 2ebd3247a..aad2bf5ec 100644
--- a/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_iter_iter.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.cons/sorted_iter_iter.pass.cpp
@@ -34,7 +34,7 @@ constexpr void test() {
   {
     // flat_set(sorted_unique_t, InputIterator, InputIterator);
     // cpp17_input_iterator
-    using M  = std::flat_set<int, std::less<int>, KeyContainer>;
+    using M       = std::flat_set<int, std::less<int>, KeyContainer>;
     int ar[] = {1, 2, 4, 5};
     auto m   = M(std::sorted_unique, cpp17_input_iterator<const int*>(ar), cpp17_input_iterator<const int*>(ar + 4));
     auto expected = M{1, 2, 4, 5};
diff --git a/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find_transparent.pass.cpp b/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find_transparent.pass.cpp
index e5f1ce056..01ab9517f 100644
--- a/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find_transparent.pass.cpp
+++ b/libcxx/test/std/containers/container.adaptors/flat.set/flat.set.operations/find_transparent.pass.cpp
@@ -81,7 +81,7 @@ constexpr bool test() {
 #ifndef __cpp_lib_constexpr_deque
   if (!std::is_constant_evaluated())
 #endif
-  test_one<std::deque<std::string>>();
+    test_one<std::deque<std::string>>();
   test_one<MinSequenceContainer<std::string>>();
   test_one<std::vector<std::string, min_allocator<std::string>>>();
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/140360