[libc++] constexpr priority_queue #140634
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@llvm/pr-subscribers-libcxx Author: Peng Liu (winner245) ChangesThis patch makes Fixies #128671. Patch is 74.13 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/140634.diff 38 Files Affected:
diff --git a/libcxx/docs/FeatureTestMacroTable.rst b/libcxx/docs/FeatureTestMacroTable.rst
index 9b57b7c8eeb52..a89d4038785cd 100644
--- a/libcxx/docs/FeatureTestMacroTable.rst
+++ b/libcxx/docs/FeatureTestMacroTable.rst
@@ -422,6 +422,8 @@ Status
---------------------------------------------------------- -----------------
``__cpp_lib_constexpr_new`` ``202406L``
---------------------------------------------------------- -----------------
+ ``__cpp_lib_constexpr_queue`` ``202502L``
+ ---------------------------------------------------------- -----------------
``__cpp_lib_constrained_equality`` *unimplemented*
---------------------------------------------------------- -----------------
``__cpp_lib_copyable_function`` *unimplemented*
diff --git a/libcxx/include/queue b/libcxx/include/queue
index 7043a84390d02..c33afc892dda8 100644
--- a/libcxx/include/queue
+++ b/libcxx/include/queue
@@ -458,14 +458,12 @@ 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>
-queue(_InputIterator,
- _InputIterator,
- _Alloc) -> queue<__iter_value_type<_InputIterator>, deque<__iter_value_type<_InputIterator>, _Alloc>>;
+queue(_InputIterator, _InputIterator, _Alloc)
+ -> queue<__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>
-queue(from_range_t,
- _Range&&,
- _Alloc) -> queue<ranges::range_value_t<_Range>, deque<ranges::range_value_t<_Range>, _Alloc>>;
+queue(from_range_t, _Range&&, _Alloc)
+ -> queue<ranges::range_value_t<_Range>, deque<ranges::range_value_t<_Range>, _Alloc>>;
# endif
template <class _Tp, class _Container>
@@ -533,24 +531,25 @@ protected:
value_compare comp;
public:
- _LIBCPP_HIDE_FROM_ABI priority_queue() _NOEXCEPT_(
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue() _NOEXCEPT_(
is_nothrow_default_constructible<container_type>::value&& is_nothrow_default_constructible<value_compare>::value)
: c(), comp() {}
- _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q) : c(__q.c), comp(__q.comp) {}
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q)
+ : c(__q.c), comp(__q.comp) {}
- _LIBCPP_HIDE_FROM_ABI priority_queue& operator=(const priority_queue& __q) {
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue& operator=(const priority_queue& __q) {
c = __q.c;
comp = __q.comp;
return *this;
}
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI priority_queue(priority_queue&& __q) noexcept(
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(priority_queue&& __q) noexcept(
is_nothrow_move_constructible<container_type>::value && is_nothrow_move_constructible<value_compare>::value)
: c(std::move(__q.c)), comp(std::move(__q.comp)) {}
- _LIBCPP_HIDE_FROM_ABI priority_queue& operator=(priority_queue&& __q) noexcept(
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue& operator=(priority_queue&& __q) noexcept(
is_nothrow_move_assignable<container_type>::value && is_nothrow_move_assignable<value_compare>::value) {
c = std::move(__q.c);
comp = std::move(__q.comp);
@@ -558,50 +557,56 @@ public:
}
# endif // _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const value_compare& __comp) : c(), comp(__comp) {}
- _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const container_type& __c);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const value_compare& __comp)
+ : c(), comp(__comp) {}
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(const value_compare& __comp, const container_type& __c);
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, container_type&& __c);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, container_type&& __c);
# endif
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp = value_compare());
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp = value_compare());
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c);
# ifndef _LIBCPP_CXX03_LANG
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, container_type&& __c);
# endif // _LIBCPP_CXX03_LANG
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<_Tp> _Range>
- _LIBCPP_HIDE_FROM_ABI priority_queue(from_range_t, _Range&& __range, const value_compare& __comp = value_compare())
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(from_range_t, _Range&& __range, const value_compare& __comp = value_compare())
: c(from_range, std::forward<_Range>(__range)), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
# endif
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI explicit priority_queue(const _Alloc& __a);
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const _Alloc& __a);
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, const container_type& __c, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(const value_compare& __comp, const container_type& __c, const _Alloc& __a);
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(const priority_queue& __q, const _Alloc& __a);
# ifndef _LIBCPP_CXX03_LANG
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(const value_compare& __comp, container_type&& __c, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(const value_compare& __comp, container_type&& __c, const _Alloc& __a);
template <class _Alloc, __enable_if_t<uses_allocator<container_type, _Alloc>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(priority_queue&& __q, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(priority_queue&& __q, const _Alloc& __a);
# endif // _LIBCPP_CXX03_LANG
template <
@@ -609,21 +614,22 @@ public:
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<container_type, _Alloc>::value,
int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a);
template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<container_type, _Alloc>::value,
int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, const _Alloc& __a);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, const _Alloc& __a);
template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<container_type, _Alloc>::value,
int> = 0>
- _LIBCPP_HIDE_FROM_ABI priority_queue(
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c, const _Alloc& __a);
# ifndef _LIBCPP_CXX03_LANG
@@ -632,7 +638,7 @@ public:
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<container_type, _Alloc>::value,
int> = 0>
- _LIBCPP_HIDE_FROM_ABI
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
priority_queue(_InputIter __f, _InputIter __l, const value_compare& __comp, container_type&& __c, const _Alloc& __a);
# endif // _LIBCPP_CXX03_LANG
@@ -641,7 +647,8 @@ public:
template <_ContainerCompatibleRange<_Tp> _Range,
class _Alloc,
class = enable_if_t<uses_allocator<_Container, _Alloc>::value>>
- _LIBCPP_HIDE_FROM_ABI priority_queue(from_range_t, _Range&& __range, const value_compare& __comp, const _Alloc& __a)
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI
+ priority_queue(from_range_t, _Range&& __range, const value_compare& __comp, const _Alloc& __a)
: c(from_range, std::forward<_Range>(__range), __a), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
@@ -649,24 +656,24 @@ public:
template <_ContainerCompatibleRange<_Tp> _Range,
class _Alloc,
class = enable_if_t<uses_allocator<_Container, _Alloc>::value>>
- _LIBCPP_HIDE_FROM_ABI priority_queue(from_range_t, _Range&& __range, const _Alloc& __a)
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI priority_queue(from_range_t, _Range&& __range, const _Alloc& __a)
: c(from_range, std::forward<_Range>(__range), __a), comp() {
std::make_heap(c.begin(), c.end(), comp);
}
# endif
- [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI bool empty() const { return c.empty(); }
- _LIBCPP_HIDE_FROM_ABI size_type size() const { return c.size(); }
- _LIBCPP_HIDE_FROM_ABI const_reference top() const { return c.front(); }
+ [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI bool empty() const { return c.empty(); }
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI size_type size() const { return c.size(); }
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI const_reference top() const { return c.front(); }
- _LIBCPP_HIDE_FROM_ABI void push(const value_type& __v);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void push(const value_type& __v);
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI void push(value_type&& __v);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void push(value_type&& __v);
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<_Tp> _Range>
- _LIBCPP_HIDE_FROM_ABI void push_range(_Range&& __range) {
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void push_range(_Range&& __range) {
if constexpr (requires(container_type& __c) { __c.append_range(std::forward<_Range>(__range)); }) {
c.append_range(std::forward<_Range>(__range));
} else {
@@ -678,14 +685,16 @@ public:
# endif
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI void emplace(_Args&&... __args);
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void emplace(_Args&&... __args);
# endif // _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI void pop();
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void pop();
- _LIBCPP_HIDE_FROM_ABI void swap(priority_queue& __q)
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void swap(priority_queue& __q)
_NOEXCEPT_(__is_nothrow_swappable_v<container_type>&& __is_nothrow_swappable_v<value_compare>);
- [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; }
+ [[__nodiscard__]] _LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const {
+ return c;
+ }
};
# if _LIBCPP_STD_VER >= 17
@@ -767,7 +776,8 @@ priority_queue(from_range_t, _Range&&, _Alloc)
# endif
template <class _Tp, class _Container, class _Compare>
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare& __comp, const container_type& __c)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ const _Compare& __comp, const container_type& __c)
: c(__c), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
@@ -775,7 +785,8 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare&
# ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp, container_type&& __c)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ const value_compare& __comp, container_type&& __c)
: c(std::move(__c)), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
@@ -784,7 +795,7 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_com
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp)
: c(__f, __l), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
@@ -792,7 +803,7 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c)
: c(__c), comp(__comp) {
c.insert(c.end(), __f, __l);
@@ -803,7 +814,7 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, __enable_if_t<__has_input_iterator_category<_InputIter>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp, container_type&& __c)
: c(std::move(__c)), comp(__comp) {
c.insert(c.end(), __f, __l);
@@ -814,16 +825,18 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a) : c(__a) {}
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a)
+ : c(__a) {}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp, const _Alloc& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ const value_compare& __comp, const _Alloc& __a)
: c(__a), comp(__comp) {}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
const value_compare& __comp, const container_type& __c, const _Alloc& __a)
: c(__c, __a), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
@@ -831,14 +844,15 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue& __q, const _Alloc& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ const priority_queue& __q, const _Alloc& __a)
: c(__q.c, __a), comp(__q.comp) {}
# ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
const value_compare& __comp, container_type&& __c, const _Alloc& __a)
: c(std::move(__c), __a), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
@@ -846,7 +860,8 @@ inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
template <class _Tp, class _Container, class _Compare>
template <class _Alloc, __enable_if_t<uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q, const _Alloc& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ priority_queue&& __q, const _Alloc& __a)
: c(std::move(__q.c), __a), comp(std::move(__q.comp)) {}
# endif // _LIBCPP_CXX03_LANG
@@ -856,7 +871,8 @@ template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+ _InputIter __f, _InputIter __l, const _Alloc& __a)
: c(__f, __l, __a), comp() {
std::make_heap(c.begin(), c.end(), comp);
}
@@ -866,7 +882,7 @@ template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp, const _Alloc& __a)
: c(__f, __l, __a), comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
@@ -877,7 +893,7 @@ template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Container, _Alloc>::value, int> >
-inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 inline priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp, const container_type& __c, const _Alloc& __a)
: c(__c, __a), comp(__comp) {
c.insert(c.end(), __f, __l);
@@ -890,7 +906,7 @@ template <
class _InputIter,
class _Alloc,
__enable_if_t<__has_input_iterator_category<_InputIter>::value && uses_allocator<_Co...
[truncated]
|
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This patch makes
priority_queueconstexpr as part of P3372R3.Fixes #128671.