[libcxx-commits] [libcxx] [libc++][NFC] Reformat some deduction guides (PR #160085)

Nikolas Klauser via libcxx-commits libcxx-commits at lists.llvm.org
Mon Sep 22 06:08:46 PDT 2025


https://github.com/philnik777 updated https://github.com/llvm/llvm-project/pull/160085

>From 715d0b11c35081603b4529c8319923eed62d16c8 Mon Sep 17 00:00:00 2001
From: Nikolas Klauser <nikolasklauser at berlin.de>
Date: Mon, 22 Sep 2025 14:23:54 +0200
Subject: [PATCH] [libc++][NFC] Reformat some deduction guides

They're not formatted correctly anymore, since clang-format was updated.
---
 libcxx/include/map           | 18 ++++++++----------
 libcxx/include/set           | 20 ++++++++------------
 libcxx/include/stack         | 10 ++++------
 libcxx/include/unordered_map | 12 ++++++------
 libcxx/include/unordered_set | 14 +++++++-------
 5 files changed, 33 insertions(+), 41 deletions(-)

diff --git a/libcxx/include/map b/libcxx/include/map
index e5085076faf02..5f906bb0106c1 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -1353,9 +1353,8 @@ template <class _Key,
           class _Allocator = allocator<pair<const _Key, _Tp>>,
           class            = enable_if_t<!__is_allocator<_Compare>::value, void>,
           class            = enable_if_t<__is_allocator<_Allocator>::value, void>>
-map(initializer_list<pair<_Key, _Tp>>,
-    _Compare   = _Compare(),
-    _Allocator = _Allocator()) -> map<remove_const_t<_Key>, _Tp, _Compare, _Allocator>;
+map(initializer_list<pair<_Key, _Tp>>, _Compare = _Compare(), _Allocator = _Allocator())
+    -> map<remove_const_t<_Key>, _Tp, _Compare, _Allocator>;
 
 template <class _InputIterator,
           class _Allocator,
@@ -1374,8 +1373,8 @@ map(from_range_t, _Range&&, _Allocator)
 #    endif
 
 template <class _Key, class _Tp, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
-map(initializer_list<pair<_Key, _Tp>>,
-    _Allocator) -> map<remove_const_t<_Key>, _Tp, less<remove_const_t<_Key>>, _Allocator>;
+map(initializer_list<pair<_Key, _Tp>>, _Allocator)
+    -> map<remove_const_t<_Key>, _Tp, less<remove_const_t<_Key>>, _Allocator>;
 #  endif
 
 #  ifndef _LIBCPP_CXX03_LANG
@@ -1911,9 +1910,8 @@ template <class _Key,
           class _Allocator = allocator<pair<const _Key, _Tp>>,
           class            = enable_if_t<!__is_allocator<_Compare>::value, void>,
           class            = enable_if_t<__is_allocator<_Allocator>::value, void>>
-multimap(initializer_list<pair<_Key, _Tp>>,
-         _Compare   = _Compare(),
-         _Allocator = _Allocator()) -> multimap<remove_const_t<_Key>, _Tp, _Compare, _Allocator>;
+multimap(initializer_list<pair<_Key, _Tp>>, _Compare = _Compare(), _Allocator = _Allocator())
+    -> multimap<remove_const_t<_Key>, _Tp, _Compare, _Allocator>;
 
 template <class _InputIterator,
           class _Allocator,
@@ -1932,8 +1930,8 @@ multimap(from_range_t, _Range&&, _Allocator)
 #    endif
 
 template <class _Key, class _Tp, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
-multimap(initializer_list<pair<_Key, _Tp>>,
-         _Allocator) -> multimap<remove_const_t<_Key>, _Tp, less<remove_const_t<_Key>>, _Allocator>;
+multimap(initializer_list<pair<_Key, _Tp>>, _Allocator)
+    -> multimap<remove_const_t<_Key>, _Tp, less<remove_const_t<_Key>>, _Allocator>;
 #  endif
 
 #  ifndef _LIBCPP_CXX03_LANG
diff --git a/libcxx/include/set b/libcxx/include/set
index 6470894517fd8..81c3de7343ee5 100644
--- a/libcxx/include/set
+++ b/libcxx/include/set
@@ -925,15 +925,13 @@ template <class _InputIterator,
           class _Allocator,
           class = enable_if_t<__has_input_iterator_category<_InputIterator>::value, void>,
           class = enable_if_t<__is_allocator<_Allocator>::value, void>>
-set(_InputIterator,
-    _InputIterator,
-    _Allocator) -> set<__iter_value_type<_InputIterator>, less<__iter_value_type<_InputIterator>>, _Allocator>;
+set(_InputIterator, _InputIterator, _Allocator)
+    -> set<__iter_value_type<_InputIterator>, less<__iter_value_type<_InputIterator>>, _Allocator>;
 
 #    if _LIBCPP_STD_VER >= 23
 template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
-set(from_range_t,
-    _Range&&,
-    _Allocator) -> set<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
+set(from_range_t, _Range&&, _Allocator)
+    -> set<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
 #    endif
 
 template <class _Key, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
@@ -1373,9 +1371,8 @@ template <class _Key,
           class _Allocator = allocator<_Key>,
           class            = enable_if_t<__is_allocator<_Allocator>::value, void>,
           class            = enable_if_t<!__is_allocator<_Compare>::value, void>>
-multiset(initializer_list<_Key>,
-         _Compare   = _Compare(),
-         _Allocator = _Allocator()) -> multiset<_Key, _Compare, _Allocator>;
+multiset(initializer_list<_Key>, _Compare = _Compare(), _Allocator = _Allocator())
+    -> multiset<_Key, _Compare, _Allocator>;
 
 template <class _InputIterator,
           class _Allocator,
@@ -1386,9 +1383,8 @@ multiset(_InputIterator, _InputIterator, _Allocator)
 
 #    if _LIBCPP_STD_VER >= 23
 template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
-multiset(from_range_t,
-         _Range&&,
-         _Allocator) -> multiset<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
+multiset(from_range_t, _Range&&, _Allocator)
+    -> multiset<ranges::range_value_t<_Range>, less<ranges::range_value_t<_Range>>, _Allocator>;
 #    endif
 
 template <class _Key, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value, void>>
diff --git a/libcxx/include/stack b/libcxx/include/stack
index 19d09373e23d1..985813fcf578a 100644
--- a/libcxx/include/stack
+++ b/libcxx/include/stack
@@ -315,14 +315,12 @@ template <class _InputIterator,
           class _Alloc,
           __enable_if_t<__has_input_iterator_category<_InputIterator>::value, int> = 0,
           __enable_if_t<__is_allocator<_Alloc>::value, int>                        = 0>
-stack(_InputIterator,
-      _InputIterator,
-      _Alloc) -> stack<__iter_value_type<_InputIterator>, deque<__iter_value_type<_InputIterator>, _Alloc>>;
+stack(_InputIterator, _InputIterator, _Alloc)
+    -> stack<__iter_value_type<_InputIterator>, deque<__iter_value_type<_InputIterator>, _Alloc>>;
 
 template <ranges::input_range _Range, class _Alloc, __enable_if_t<__is_allocator<_Alloc>::value, int> = 0>
-stack(from_range_t,
-      _Range&&,
-      _Alloc) -> stack<ranges::range_value_t<_Range>, deque<ranges::range_value_t<_Range>, _Alloc>>;
+stack(from_range_t, _Range&&, _Alloc)
+    -> stack<ranges::range_value_t<_Range>, deque<ranges::range_value_t<_Range>, _Alloc>>;
 
 #  endif
 
diff --git a/libcxx/include/unordered_map b/libcxx/include/unordered_map
index 3c19d6f2a7f0d..43a2245c5acc0 100644
--- a/libcxx/include/unordered_map
+++ b/libcxx/include/unordered_map
@@ -2035,12 +2035,12 @@ template <class _Key,
           class            = enable_if_t<!is_integral<_Hash>::value>,
           class            = enable_if_t<!__is_allocator<_Pred>::value>,
           class            = enable_if_t<__is_allocator<_Allocator>::value>>
-unordered_multimap(
-    initializer_list<pair<_Key, _Tp>>,
-    typename allocator_traits<_Allocator>::size_type = 0,
-    _Hash                                            = _Hash(),
-    _Pred                                            = _Pred(),
-    _Allocator = _Allocator()) -> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>;
+unordered_multimap(initializer_list<pair<_Key, _Tp>>,
+                   typename allocator_traits<_Allocator>::size_type = 0,
+                   _Hash                                            = _Hash(),
+                   _Pred                                            = _Pred(),
+                   _Allocator                                       = _Allocator())
+    -> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>;
 
 template <class _InputIterator,
           class _Allocator,
diff --git a/libcxx/include/unordered_set b/libcxx/include/unordered_set
index 4bc9c1afa2639..c6ee0ffdec6af 100644
--- a/libcxx/include/unordered_set
+++ b/libcxx/include/unordered_set
@@ -937,13 +937,13 @@ template <ranges::input_range _Range,
           class            = enable_if_t<!is_integral<_Hash>::value>,
           class            = enable_if_t<!__is_allocator<_Pred>::value>,
           class            = enable_if_t<__is_allocator<_Allocator>::value>>
-unordered_set(
-    from_range_t,
-    _Range&&,
-    typename allocator_traits<_Allocator>::size_type = 0,
-    _Hash                                            = _Hash(),
-    _Pred                                            = _Pred(),
-    _Allocator = _Allocator()) -> unordered_set<ranges::range_value_t<_Range>, _Hash, _Pred, _Allocator>; // C++23
+unordered_set(from_range_t,
+              _Range&&,
+              typename allocator_traits<_Allocator>::size_type = 0,
+              _Hash                                            = _Hash(),
+              _Pred                                            = _Pred(),
+              _Allocator                                       = _Allocator())
+    -> unordered_set<ranges::range_value_t<_Range>, _Hash, _Pred, _Allocator>; // C++23
 #    endif
 
 template <class _Tp,



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