[libcxx-commits] [libcxx] [libc++][ranges] use `static operator()` for C++23 ranges (PR #86052)

[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 1918d4bcb21af6a7e4de32073455ac51f2f9673f a111f9304606096fa6e8629fe997166c6a401870 -- libcxx/include/__algorithm/ranges_ends_with.h libcxx/include/__algorithm/ranges_starts_with.h libcxx/include/__ranges/as_rvalue_view.h libcxx/include/__ranges/chunk_by_view.h libcxx/include/__ranges/repeat_view.h libcxx/include/__ranges/to.h libcxx/include/__ranges/zip_view.h
``````````

</details>

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

``````````diff
diff --git a/libcxx/include/__ranges/as_rvalue_view.h b/libcxx/include/__ranges/as_rvalue_view.h
index b4a04e8fd8..6000e05002 100644
--- a/libcxx/include/__ranges/as_rvalue_view.h
+++ b/libcxx/include/__ranges/as_rvalue_view.h
@@ -111,17 +111,16 @@ namespace views {
 namespace __as_rvalue {
 struct __fn : __range_adaptor_closure<__fn> {
   template <class _Range>
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Range&& __range)
-      noexcept(noexcept(/**/ as_rvalue_view(std::forward<_Range>(__range))))
-          -> decltype(/*--*/ as_rvalue_view(std::forward<_Range>(__range))) {
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto
+  operator()(_Range&& __range) noexcept(noexcept(/**/ as_rvalue_view(std::forward<_Range>(__range))))
+      -> decltype(/*--*/ as_rvalue_view(std::forward<_Range>(__range))) {
     return /*-------------*/ as_rvalue_view(std::forward<_Range>(__range));
   }
 
   template <class _Range>
     requires same_as<range_rvalue_reference_t<_Range>, range_reference_t<_Range>>
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Range&& __range)
-      noexcept(noexcept(/**/ views::all(std::forward<_Range>(__range))))
-          -> decltype(/*--*/ views::all(std::forward<_Range>(__range))) {
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Range&& __range) noexcept(noexcept(
+      /**/ views::all(std::forward<_Range>(__range)))) -> decltype(/*--*/ views::all(std::forward<_Range>(__range))) {
     return /*-------------*/ views::all(std::forward<_Range>(__range));
   }
 };
diff --git a/libcxx/include/__ranges/chunk_by_view.h b/libcxx/include/__ranges/chunk_by_view.h
index aaa855e6a2..b595dd0830 100644
--- a/libcxx/include/__ranges/chunk_by_view.h
+++ b/libcxx/include/__ranges/chunk_by_view.h
@@ -205,16 +205,17 @@ namespace views {
 namespace __chunk_by {
 struct __fn {
   template <class _Range, class _Pred>
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Range&& __range, _Pred&& __pred)
-      noexcept(noexcept(/**/ chunk_by_view(std::forward<_Range>(__range), std::forward<_Pred>(__pred))))
-          -> decltype(/*--*/ chunk_by_view(std::forward<_Range>(__range), std::forward<_Pred>(__pred))) {
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(
+      _Range&& __range,
+      _Pred&& __pred) noexcept(noexcept(/**/ chunk_by_view(std::forward<_Range>(__range), std::forward<_Pred>(__pred))))
+      -> decltype(/*--*/ chunk_by_view(std::forward<_Range>(__range), std::forward<_Pred>(__pred))) {
     return /*-------------*/ chunk_by_view(std::forward<_Range>(__range), std::forward<_Pred>(__pred));
   }
 
   template <class _Pred>
     requires constructible_from<decay_t<_Pred>, _Pred>
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Pred&& __pred)
-      noexcept(is_nothrow_constructible_v<decay_t<_Pred>, _Pred>) {
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto
+  operator()(_Pred&& __pred) noexcept(is_nothrow_constructible_v<decay_t<_Pred>, _Pred>) {
     return __range_adaptor_closure_t(std::__bind_back(operator(), std::forward<_Pred>(__pred)));
   }
 };
diff --git a/libcxx/include/__ranges/zip_view.h b/libcxx/include/__ranges/zip_view.h
index 4ded5bca55..bb015a0f52 100644
--- a/libcxx/include/__ranges/zip_view.h
+++ b/libcxx/include/__ranges/zip_view.h
@@ -489,12 +489,14 @@ namespace views {
 namespace __zip {
 
 struct __fn {
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()() noexcept { return empty_view<tuple<>>{}; }
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()() noexcept {
+    return empty_view<tuple<>>{};
+  }
 
   template <class... _Ranges>
-  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto operator()(_Ranges&&... __rs)
-      noexcept(noexcept(zip_view<all_t<_Ranges&&>...>(std::forward<_Ranges>(__rs)...)))
-          -> decltype(zip_view<all_t<_Ranges&&>...>(std::forward<_Ranges>(__rs)...)) {
+  _LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI static constexpr auto
+  operator()(_Ranges&&... __rs) noexcept(noexcept(zip_view<all_t<_Ranges&&>...>(std::forward<_Ranges>(__rs)...)))
+      -> decltype(zip_view<all_t<_Ranges&&>...>(std::forward<_Ranges>(__rs)...)) {
     return zip_view<all_t<_Ranges>...>(std::forward<_Ranges>(__rs)...);
   }
 };

``````````

</details>


https://github.com/llvm/llvm-project/pull/86052