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llvm-capstone/libcxx/include/queue
Nikolas Klauser 9f3e3efd98 [libc++][NFC] Refactor __enable_if return types to defaulted template parameters 
This brings most of the enable_ifs in libc++ to the same style. It also has the nice side-effect of reducing the size of names of these symbols, since the depedent return type is shorter.

Reviewed By: #libc, ldionne

Spies: ldionne, libcxx-commits

Differential Revision: https://reviews.llvm.org/D157787
2023-09-01 17:52:31 -07:00

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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_QUEUE
#define _LIBCPP_QUEUE
/*
queue synopsis
namespace std
{
template <class T, class Container = deque<T>>
class queue
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
public:
queue() = default;
~queue() = default;
queue(const queue& q) = default;
queue(queue&& q) = default;
queue& operator=(const queue& q) = default;
queue& operator=(queue&& q) = default;
explicit queue(const container_type& c);
explicit queue(container_type&& c)
template<class InputIterator>
queue(InputIterator first, InputIterator last); // since C++23
template<container-compatible-range<T> R> queue(from_range_t, R&& rg); // since C++23
template <class Alloc>
explicit queue(const Alloc& a);
template <class Alloc>
queue(const container_type& c, const Alloc& a);
template <class Alloc>
queue(container_type&& c, const Alloc& a);
template <class Alloc>
queue(const queue& q, const Alloc& a);
template <class Alloc>
queue(queue&& q, const Alloc& a);
template <class InputIterator, class Alloc>
queue(InputIterator first, InputIterator last, const Alloc&); // since C++23
template<container-compatible-range<T> R, class Alloc>
queue(from_range_t, R&& rg, const Alloc&); // since C++23
bool empty() const;
size_type size() const;
reference front();
const_reference front() const;
reference back();
const_reference back() const;
void push(const value_type& v);
void push(value_type&& v);
template<container-compatible-range<T> R>
void push_range(R&& rg); // C++23
template <class... Args> reference emplace(Args&&... args); // reference in C++17
void pop();
void swap(queue& q) noexcept(is_nothrow_swappable_v<Container>)
};
template<class Container>
queue(Container) -> queue<typename Container::value_type, Container>; // C++17
template<class InputIterator>
queue(InputIterator, InputIterator) -> queue<iter-value-type<InputIterator>>; // since C++23
template<ranges::input_range R>
queue(from_range_t, R&&) -> queue<ranges::range_value_t<R>>; // since C++23
template<class Container, class Allocator>
queue(Container, Allocator) -> queue<typename Container::value_type, Container>; // C++17
template<class InputIterator, class Allocator>
queue(InputIterator, InputIterator, Allocator)
-> queue<iter-value-type<InputIterator>,
deque<iter-value-type<InputIterator>, Allocator>>; // since C++23
template<ranges::input_range R, class Allocator>
queue(from_range_t, R&&, Allocator)
-> queue<ranges::range_value_t<R>, deque<ranges::range_value_t<R>, Allocator>>; // since C++23
template <class T, class Container>
bool operator==(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator< (const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator!=(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator> (const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator>=(const queue<T, Container>& x,const queue<T, Container>& y);
template <class T, class Container>
bool operator<=(const queue<T, Container>& x,const queue<T, Container>& y);
template<class T, three_way_comparable Container>
compare_three_way_result_t<Container>
operator<=>(const queue<T, Container>& x, const queue<T, Container>& y); // since C++20
template <class T, class Container>
void swap(queue<T, Container>& x, queue<T, Container>& y)
noexcept(noexcept(x.swap(y)));
template <class T, class Container = vector<T>,
class Compare = less<typename Container::value_type>>
class priority_queue
{
public:
typedef Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
protected:
container_type c;
Compare comp;
public:
priority_queue() : priority_queue(Compare()) {} // C++20
explicit priority_queue(const Compare& x) : priority_queue(x, Container()) {}
priority_queue(const Compare& x, const Container&);
explicit priority_queue(const Compare& x = Compare(), Container&& = Container()); // before C++20
priority_queue(const Compare& x, Container&&); // C++20
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp = Compare());
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, const Container& c);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, Container&& c);
template <container-compatible-range<T> R>
priority_queue(from_range_t, R&& rg, const Compare& x = Compare()); // since C++23
template <class Alloc>
explicit priority_queue(const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, const Container& c,
const Alloc& a);
template <class Alloc>
priority_queue(const Compare& comp, Container&& c,
const Alloc& a);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Alloc& a);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, const Alloc& a);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, const Container& c, const Alloc& a);
template <class InputIterator>
priority_queue(InputIterator first, InputIterator last,
const Compare& comp, Container&& c, const Alloc& a);
template <container-compatible-range<T> R, class Alloc>
priority_queue(from_range_t, R&& rg, const Compare&, const Alloc&); // since C++23
template <container-compatible-range<T> R, class Alloc>
priority_queue(from_range_t, R&& rg, const Alloc&); // since C++23
template <class Alloc>
priority_queue(const priority_queue& q, const Alloc& a);
template <class Alloc>
priority_queue(priority_queue&& q, const Alloc& a);
bool empty() const;
size_type size() const;
const_reference top() const;
void push(const value_type& v);
void push(value_type&& v);
template<container-compatible-range<T> R>
void push_range(R&& rg); // C++23
template <class... Args> void emplace(Args&&... args);
void pop();
void swap(priority_queue& q)
noexcept(is_nothrow_swappable_v<Container> &&
is_nothrow_swappable_v<Comp>)
};
template <class Compare, class Container>
priority_queue(Compare, Container)
-> priority_queue<typename Container::value_type, Container, Compare>; // C++17
template<class InputIterator,
class Compare = less<iter-value-type<InputIterator>>,
class Container = vector<iter-value-type<InputIterator>>>
priority_queue(InputIterator, InputIterator, Compare = Compare(), Container = Container())
-> priority_queue<iter-value-type<InputIterator>, Container, Compare>; // C++17
template<ranges::input_range R, class Compare = less<ranges::range_value_t<R>>>
priority_queue(from_range_t, R&&, Compare = Compare())
-> priority_queue<ranges::range_value_t<R>, vector<ranges::range_value_t<R>>, Compare>; // C++23
template<class Compare, class Container, class Allocator>
priority_queue(Compare, Container, Allocator)
-> priority_queue<typename Container::value_type, Container, Compare>; // C++17
template<class InputIterator, class Allocator>
priority_queue(InputIterator, InputIterator, Allocator)
-> priority_queue<iter-value-type<InputIterator>,
vector<iter-value-type<InputIterator>, Allocator>,
less<iter-value-type<InputIterator>>>; // C++17
template<class InputIterator, class Compare, class Allocator>
priority_queue(InputIterator, InputIterator, Compare, Allocator)
-> priority_queue<iter-value-type<InputIterator>,
vector<iter-value-type<InputIterator>, Allocator>, Compare>; // C++17
template<class InputIterator, class Compare, class Container, class Allocator>
priority_queue(InputIterator, InputIterator, Compare, Container, Allocator)
-> priority_queue<typename Container::value_type, Container, Compare>; // C++17
template<ranges::input_range R, class Compare, class Allocator>
priority_queue(from_range_t, R&&, Compare, Allocator)
-> priority_queue<ranges::range_value_t<R>, vector<ranges::range_value_t<R>, Allocator>,
Compare>; // C++23
template<ranges::input_range R, class Allocator>
priority_queue(from_range_t, R&&, Allocator)
-> priority_queue<ranges::range_value_t<R>, vector<ranges::range_value_t<R>, Allocator>>; // C++23
template <class T, class Container, class Compare>
void swap(priority_queue<T, Container, Compare>& x,
priority_queue<T, Container, Compare>& y)
noexcept(noexcept(x.swap(y)));
} // std
*/
#include <__algorithm/make_heap.h>
#include <__algorithm/pop_heap.h>
#include <__algorithm/push_heap.h>
#include <__algorithm/ranges_copy.h>
#include <__assert> // all public C++ headers provide the assertion handler
#include <__config>
#include <__functional/operations.h>
#include <__iterator/back_insert_iterator.h>
#include <__iterator/iterator_traits.h>
#include <__memory/uses_allocator.h>
#include <__ranges/access.h>
#include <__ranges/concepts.h>
#include <__ranges/container_compatible_range.h>
#include <__ranges/from_range.h>
#include <__utility/forward.h>
#include <deque>
#include <vector>
#include <version>
// standard-mandated includes
// [queue.syn]
#include <compare>
#include <initializer_list>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS queue;
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
template <class _Tp, class _Container>
_LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
template <class _Tp, class _Container /*= deque<_Tp>*/>
class _LIBCPP_TEMPLATE_VIS queue
{
public:
typedef _Container container_type;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
static_assert((is_same<_Tp, value_type>::value), "" );
protected:
container_type c;
public:
_LIBCPP_INLINE_VISIBILITY
queue()
_NOEXCEPT_(is_nothrow_default_constructible<container_type>::value)
: c() {}
_LIBCPP_INLINE_VISIBILITY
queue(const queue& __q) : c(__q.c) {}
#if _LIBCPP_STD_VER >= 23
template <class _InputIterator,
class = __enable_if_t<__has_input_iterator_category<_InputIterator>::value>>
_LIBCPP_HIDE_FROM_ABI
queue(_InputIterator __first, _InputIterator __last) : c(__first, __last) {}
template <_ContainerCompatibleRange<_Tp> _Range>
_LIBCPP_HIDE_FROM_ABI
queue(from_range_t, _Range&& __range) : c(from_range, std::forward<_Range>(__range)) {}
template <class _InputIterator,
class _Alloc,
class = __enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = __enable_if_t<uses_allocator<container_type, _Alloc>::value>>
_LIBCPP_HIDE_FROM_ABI
queue(_InputIterator __first, _InputIterator __second, const _Alloc& __alloc) : c(__first, __second, __alloc) {}
template <_ContainerCompatibleRange<_Tp> _Range,
class _Alloc,
class = __enable_if_t<uses_allocator<container_type, _Alloc>::value>>
_LIBCPP_HIDE_FROM_ABI
queue(from_range_t, _Range&& __range, const _Alloc& __alloc)
: c(from_range, std::forward<_Range>(__range), __alloc) {}
#endif
_LIBCPP_INLINE_VISIBILITY
queue& operator=(const queue& __q) {c = __q.c; return *this;}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
queue(queue&& __q)
_NOEXCEPT_(is_nothrow_move_constructible<container_type>::value)
: c(_VSTD::move(__q.c)) {}
_LIBCPP_INLINE_VISIBILITY
queue& operator=(queue&& __q)
_NOEXCEPT_(is_nothrow_move_assignable<container_type>::value)
{c = _VSTD::move(__q.c); return *this;}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
explicit queue(const container_type& __c) : c(__c) {}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
explicit queue(container_type&& __c) : c(_VSTD::move(__c)) {}
#endif // _LIBCPP_CXX03_LANG
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
explicit queue(const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(const queue& __q, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__q.c, __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(const container_type& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(__c, __a) {}
#ifndef _LIBCPP_CXX03_LANG
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(container_type&& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(_VSTD::move(__c), __a) {}
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
queue(queue&& __q, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0)
: c(_VSTD::move(__q.c), __a) {}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
bool empty() const {return c.empty();}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return c.size();}
_LIBCPP_INLINE_VISIBILITY
reference front() {return c.front();}
_LIBCPP_INLINE_VISIBILITY
const_reference front() const {return c.front();}
_LIBCPP_INLINE_VISIBILITY
reference back() {return c.back();}
_LIBCPP_INLINE_VISIBILITY
const_reference back() const {return c.back();}
_LIBCPP_INLINE_VISIBILITY
void push(const value_type& __v) {c.push_back(__v);}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
void push(value_type&& __v) {c.push_back(_VSTD::move(__v));}
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<_Tp> _Range>
_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 {
ranges::copy(std::forward<_Range>(__range), std::back_inserter(c));
}
}
#endif
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
#if _LIBCPP_STD_VER >= 17
decltype(auto) emplace(_Args&&... __args)
{ return c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#else
void emplace(_Args&&... __args)
{ c.emplace_back(_VSTD::forward<_Args>(__args)...);}
#endif
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
void pop() {c.pop_front();}
_LIBCPP_INLINE_VISIBILITY
void swap(queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
{
using _VSTD::swap;
swap(c, __q.c);
}
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; }
template <class _T1, class _OtherContainer>
friend
_LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_T1, _OtherContainer>& __x,const queue<_T1, _OtherContainer>& __y);
template <class _T1, class _OtherContainer>
friend
_LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_T1, _OtherContainer>& __x,const queue<_T1, _OtherContainer>& __y);
};
#if _LIBCPP_STD_VER >= 17
template<class _Container,
class = enable_if_t<!__is_allocator<_Container>::value>
>
queue(_Container)
-> queue<typename _Container::value_type, _Container>;
template<class _Container,
class _Alloc,
class = enable_if_t<!__is_allocator<_Container>::value>,
class = enable_if_t<uses_allocator<_Container, _Alloc>::value>
>
queue(_Container, _Alloc)
-> queue<typename _Container::value_type, _Container>;
#endif
#if _LIBCPP_STD_VER >= 23
template <class _InputIterator,
class = __enable_if_t<__has_input_iterator_category<_InputIterator>::value>>
queue(_InputIterator, _InputIterator)
-> queue<__iter_value_type<_InputIterator>>;
template <ranges::input_range _Range>
queue(from_range_t, _Range&&)
-> queue<ranges::range_value_t<_Range>>;
template <class _InputIterator,
class _Alloc,
class = __enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = __enable_if_t<__is_allocator<_Alloc>::value>>
queue(_InputIterator, _InputIterator, _Alloc)
-> queue<__iter_value_type<_InputIterator>, deque<__iter_value_type<_InputIterator>, _Alloc>>;
template <ranges::input_range _Range,
class _Alloc,
class = __enable_if_t<__is_allocator<_Alloc>::value>>
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>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __x.c == __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __x.c < __y.c;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__x == __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator> (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return __y < __x;
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator>=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__x < __y);
}
template <class _Tp, class _Container>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator<=(const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y)
{
return !(__y < __x);
}
#if _LIBCPP_STD_VER >= 20
template <class _Tp, three_way_comparable _Container>
_LIBCPP_HIDE_FROM_ABI compare_three_way_result_t<_Container>
operator<=>(const queue<_Tp, _Container>& __x, const queue<_Tp, _Container>& __y) {
// clang 16 bug: declaring `friend operator<=>` causes "use of overloaded operator '*' is ambiguous" errors
return __x.__get_container() <=> __y.__get_container();
}
#endif
template <class _Tp, class _Container, __enable_if_t<__is_swappable<_Container>::value, int> = 0>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Alloc>
struct _LIBCPP_TEMPLATE_VIS uses_allocator<queue<_Tp, _Container>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
template <class _Tp, class _Container = vector<_Tp>,
class _Compare = less<typename _Container::value_type> >
class _LIBCPP_TEMPLATE_VIS priority_queue
{
public:
typedef _Container container_type;
typedef _Compare value_compare;
typedef typename container_type::value_type value_type;
typedef typename container_type::reference reference;
typedef typename container_type::const_reference const_reference;
typedef typename container_type::size_type size_type;
static_assert((is_same<_Tp, value_type>::value), "" );
protected:
container_type c;
value_compare comp;
public:
_LIBCPP_INLINE_VISIBILITY
priority_queue()
_NOEXCEPT_(is_nothrow_default_constructible<container_type>::value &&
is_nothrow_default_constructible<value_compare>::value)
: c(), comp() {}
_LIBCPP_INLINE_VISIBILITY
priority_queue(const priority_queue& __q) : c(__q.c), comp(__q.comp) {}
_LIBCPP_INLINE_VISIBILITY
priority_queue& operator=(const priority_queue& __q)
{c = __q.c; comp = __q.comp; return *this;}
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
priority_queue(priority_queue&& __q)
_NOEXCEPT_(is_nothrow_move_constructible<container_type>::value &&
is_nothrow_move_constructible<value_compare>::value)
: c(_VSTD::move(__q.c)), comp(_VSTD::move(__q.comp)) {}
_LIBCPP_INLINE_VISIBILITY
priority_queue& operator=(priority_queue&& __q)
_NOEXCEPT_(is_nothrow_move_assignable<container_type>::value &&
is_nothrow_move_assignable<value_compare>::value)
{c = _VSTD::move(__q.c); comp = _VSTD::move(__q.comp); return *this;}
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
explicit priority_queue(const value_compare& __comp)
: c(), comp(__comp) {}
_LIBCPP_INLINE_VISIBILITY
priority_queue(const value_compare& __comp, const container_type& __c);
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
priority_queue(const value_compare& __comp, container_type&& __c);
#endif
template <class _InputIter, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp = value_compare());
template <class _InputIter, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, const container_type& __c);
#ifndef _LIBCPP_CXX03_LANG
template <class _InputIter, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
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())
: c(from_range, std::forward<_Range>(__range)),
comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
#endif
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
explicit priority_queue(const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
priority_queue(const value_compare& __comp, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
priority_queue(const value_compare& __comp, const container_type& __c,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
priority_queue(const priority_queue& __q, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
#ifndef _LIBCPP_CXX03_LANG
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
priority_queue(const value_compare& __comp, container_type&& __c,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _Alloc>
_LIBCPP_INLINE_VISIBILITY
priority_queue(priority_queue&& __q, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
#endif // _LIBCPP_CXX03_LANG
template <class _InputIter, class _Alloc, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _InputIter, class _Alloc, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
template <class _InputIter, class _Alloc, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, const container_type& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
#ifndef _LIBCPP_CXX03_LANG
template <class _InputIter, class _Alloc, class = __enable_if_t<__has_input_iterator_category<_InputIter>::value> >
_LIBCPP_INLINE_VISIBILITY
priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp, container_type&& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>* = 0);
#endif // _LIBCPP_CXX03_LANG
#if _LIBCPP_STD_VER >= 23
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)
: c(from_range, std::forward<_Range>(__range), __a),
comp(__comp) {
std::make_heap(c.begin(), c.end(), comp);
}
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)
: c(from_range, std::forward<_Range>(__range), __a),
comp() {
std::make_heap(c.begin(), c.end(), comp);
}
#endif
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
bool empty() const {return c.empty();}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return c.size();}
_LIBCPP_INLINE_VISIBILITY
const_reference top() const {return c.front();}
_LIBCPP_INLINE_VISIBILITY
void push(const value_type& __v);
#ifndef _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
void push(value_type&& __v);
#if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<_Tp> _Range>
_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 {
ranges::copy(std::forward<_Range>(__range), std::back_inserter(c));
}
std::make_heap(c.begin(), c.end(), comp);
}
#endif
template <class... _Args>
_LIBCPP_INLINE_VISIBILITY
void emplace(_Args&&... __args);
#endif // _LIBCPP_CXX03_LANG
_LIBCPP_INLINE_VISIBILITY
void pop();
_LIBCPP_INLINE_VISIBILITY
void swap(priority_queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
__is_nothrow_swappable<value_compare>::value);
_LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI const _Container& __get_container() const { return c; }
};
#if _LIBCPP_STD_VER >= 17
template <class _Compare,
class _Container,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<!__is_allocator<_Container>::value>
>
priority_queue(_Compare, _Container)
-> priority_queue<typename _Container::value_type, _Container, _Compare>;
template<class _InputIterator,
class _Compare = less<__iter_value_type<_InputIterator>>,
class _Container = vector<__iter_value_type<_InputIterator>>,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<!__is_allocator<_Container>::value>
>
priority_queue(_InputIterator, _InputIterator, _Compare = _Compare(), _Container = _Container())
-> priority_queue<__iter_value_type<_InputIterator>, _Container, _Compare>;
template<class _Compare,
class _Container,
class _Alloc,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<!__is_allocator<_Container>::value>,
class = enable_if_t<uses_allocator<_Container, _Alloc>::value>
>
priority_queue(_Compare, _Container, _Alloc)
-> priority_queue<typename _Container::value_type, _Container, _Compare>;
template<class _InputIterator, class _Allocator,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = enable_if_t<__is_allocator<_Allocator>::value>
>
priority_queue(_InputIterator, _InputIterator, _Allocator)
-> priority_queue<__iter_value_type<_InputIterator>,
vector<__iter_value_type<_InputIterator>, _Allocator>,
less<__iter_value_type<_InputIterator>>>;
template<class _InputIterator, class _Compare, class _Allocator,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<__is_allocator<_Allocator>::value>
>
priority_queue(_InputIterator, _InputIterator, _Compare, _Allocator)
-> priority_queue<__iter_value_type<_InputIterator>,
vector<__iter_value_type<_InputIterator>, _Allocator>, _Compare>;
template<class _InputIterator, class _Compare, class _Container, class _Alloc,
class = enable_if_t<__has_input_iterator_category<_InputIterator>::value>,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<!__is_allocator<_Container>::value>,
class = enable_if_t<uses_allocator<_Container, _Alloc>::value>
>
priority_queue(_InputIterator, _InputIterator, _Compare, _Container, _Alloc)
-> priority_queue<typename _Container::value_type, _Container, _Compare>;
#endif
#if _LIBCPP_STD_VER >= 23
template <ranges::input_range _Range,
class _Compare = less<ranges::range_value_t<_Range>>,
class = enable_if_t<!__is_allocator<_Compare>::value>>
priority_queue(from_range_t, _Range&&, _Compare = _Compare())
-> priority_queue<ranges::range_value_t<_Range>, vector<ranges::range_value_t<_Range>>, _Compare>;
template <ranges::input_range _Range,
class _Compare,
class _Alloc,
class = enable_if_t<!__is_allocator<_Compare>::value>,
class = enable_if_t<__is_allocator<_Alloc>::value>>
priority_queue(from_range_t, _Range&&, _Compare, _Alloc)
-> priority_queue<ranges::range_value_t<_Range>, vector<ranges::range_value_t<_Range>, _Alloc>,
_Compare>;
template <ranges::input_range _Range,
class _Alloc,
class = enable_if_t<__is_allocator<_Alloc>::value>>
priority_queue(from_range_t, _Range&&, _Alloc)
-> priority_queue<ranges::range_value_t<_Range>, vector<ranges::range_value_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)
: c(__c),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#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)
: c(_VSTD::move(__c)),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp)
: c(__f, __l),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class>
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);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
const value_compare& __comp,
container_type&& __c)
: c(_VSTD::move(__c)),
comp(__comp)
{
c.insert(c.end(), __f, __l);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__a)
{
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__a),
comp(__comp)
{
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
const container_type& __c,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__c, __a),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue& __q,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__q.c, __a),
comp(__q.comp)
{
}
#ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
container_type&& __c,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(_VSTD::move(__c), __a),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _Alloc>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q,
const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(_VSTD::move(__q.c), __a),
comp(_VSTD::move(__q.comp))
{
}
#endif // _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class _Alloc, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__f, __l, __a),
comp()
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class _Alloc, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l,
const value_compare& __comp, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__f, __l, __a),
comp(__comp)
{
_VSTD::make_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class _Alloc, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l,
const value_compare& __comp, const container_type& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(__c, __a),
comp(__comp)
{
c.insert(c.end(), __f, __l);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
template <class _InputIter, class _Alloc, class>
inline
priority_queue<_Tp, _Container, _Compare>::priority_queue(
_InputIter __f, _InputIter __l, const value_compare& __comp,
container_type&& __c, const _Alloc& __a,
__enable_if_t<uses_allocator<container_type, _Alloc>::value>*)
: c(_VSTD::move(__c), __a),
comp(__comp)
{
c.insert(c.end(), __f, __l);
_VSTD::make_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
inline
void
priority_queue<_Tp, _Container, _Compare>::push(const value_type& __v)
{
c.push_back(__v);
_VSTD::push_heap(c.begin(), c.end(), comp);
}
#ifndef _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
inline
void
priority_queue<_Tp, _Container, _Compare>::push(value_type&& __v)
{
c.push_back(_VSTD::move(__v));
_VSTD::push_heap(c.begin(), c.end(), comp);
}
template <class _Tp, class _Container, class _Compare>
template <class... _Args>
inline
void
priority_queue<_Tp, _Container, _Compare>::emplace(_Args&&... __args)
{
c.emplace_back(_VSTD::forward<_Args>(__args)...);
_VSTD::push_heap(c.begin(), c.end(), comp);
}
#endif // _LIBCPP_CXX03_LANG
template <class _Tp, class _Container, class _Compare>
inline
void
priority_queue<_Tp, _Container, _Compare>::pop()
{
_VSTD::pop_heap(c.begin(), c.end(), comp);
c.pop_back();
}
template <class _Tp, class _Container, class _Compare>
inline
void
priority_queue<_Tp, _Container, _Compare>::swap(priority_queue& __q)
_NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
__is_nothrow_swappable<value_compare>::value)
{
using _VSTD::swap;
swap(c, __q.c);
swap(comp, __q.comp);
}
template <class _Tp, class _Container, class _Compare,
__enable_if_t<__is_swappable<_Container>::value && __is_swappable<_Compare>::value, int> = 0>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(priority_queue<_Tp, _Container, _Compare>& __x,
priority_queue<_Tp, _Container, _Compare>& __y)
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
{
__x.swap(__y);
}
template <class _Tp, class _Container, class _Compare, class _Alloc>
struct _LIBCPP_TEMPLATE_VIS uses_allocator<priority_queue<_Tp, _Container, _Compare>, _Alloc>
: public uses_allocator<_Container, _Alloc>
{
};
_LIBCPP_END_NAMESPACE_STD
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <concepts>
# include <cstdlib>
# include <functional>
# include <type_traits>
#endif
#endif // _LIBCPP_QUEUE
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