13e519524SHoward Hinnant// -*- C++ -*-
2eb8650a7SLouis Dionne//===----------------------------------------------------------------------===//
33e519524SHoward Hinnant//
457b08b09SChandler Carruth// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
557b08b09SChandler Carruth// See https://llvm.org/LICENSE.txt for license information.
657b08b09SChandler Carruth// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
73e519524SHoward Hinnant//
83e519524SHoward Hinnant//===----------------------------------------------------------------------===//
93e519524SHoward Hinnant
103e519524SHoward Hinnant#ifndef _LIBCPP_ALGORITHM
113e519524SHoward Hinnant#define _LIBCPP_ALGORITHM
123e519524SHoward Hinnant
133e519524SHoward Hinnant/*
143e519524SHoward Hinnant    algorithm synopsis
153e519524SHoward Hinnant
163e519524SHoward Hinnant#include <initializer_list>
173e519524SHoward Hinnant
183e519524SHoward Hinnantnamespace std
193e519524SHoward Hinnant{
203e519524SHoward Hinnant
21d3729bb3SNikolas Klausernamespace ranges {
221e77b396SNikolas Klauser  template <class I, class F>
231e77b396SNikolas Klauser    struct in_fun_result;     // since C++20
241e77b396SNikolas Klauser
25d3729bb3SNikolas Klauser  template <class I1, class I2>
26d3729bb3SNikolas Klauser    struct in_in_result;      // since C++20
27f3514af4SNikolas Klauser
28f3514af4SNikolas Klauser  template <class I1, class I2, class O>
29f3514af4SNikolas Klauser    struct in_in_out_result;  // since C++20
30610979b3SNikolas Klauser
31610979b3SNikolas Klauser  template <class I, class O1, class O2>
32610979b3SNikolas Klauser    struct in_out_out_result; // since C++20
331e77b396SNikolas Klauser
34807766beSNikolas Klauser  template <class I1, class I2>
35807766beSNikolas Klauser    struct min_max_result;    // since C++20
36807766beSNikolas Klauser
3768f4131cSNikolas Klauser  template <class I>
3868f4131cSNikolas Klauser    struct in_found_result;   // since C++20
3968f4131cSNikolas Klauser
403b470d1cSNikolas Klauser  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
413b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>             // since C++20
423b470d1cSNikolas Klauser  constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
433b470d1cSNikolas Klauser
443b470d1cSNikolas Klauser  template<forward_range R, class Proj = identity,
453b470d1cSNikolas Klauser    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> // since C++20
463b470d1cSNikolas Klauser  constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {});
47c2cd15a6SNikolas Klauser
48c2cd15a6SNikolas Klauser  template <input_iterator I1, sentinel_for<_I1> S1, input_iterator I2, sentinel_for<_I2> S2,
49c2cd15a6SNikolas Klauser          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
50c2cd15a6SNikolas Klauser    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
51c2cd15a6SNikolas Klauser  constexpr mismatch_result<_I1, _I2>
52c2cd15a6SNikolas Klauser  mismatch()(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {}) // since C++20
53c2cd15a6SNikolas Klauser
54c2cd15a6SNikolas Klauser  template <input_range R1, input_range R2,
55c2cd15a6SNikolas Klauser          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
56c2cd15a6SNikolas Klauser    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
57c2cd15a6SNikolas Klauser  constexpr mismatch_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
58c2cd15a6SNikolas Klauser  mismatch(R1&& r1, R2&& r2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {})                           // since C++20
59ee0f8c40SNikolas Klauser
60ee0f8c40SNikolas Klauser    requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
61ee0f8c40SNikolas Klauser    constexpr I find(I first, S last, const T& value, Proj proj = {});              // since C++20
62ee0f8c40SNikolas Klauser
63ee0f8c40SNikolas Klauser  template<input_range R, class T, class Proj = identity>
64ee0f8c40SNikolas Klauser    requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*>
65ee0f8c40SNikolas Klauser    constexpr borrowed_iterator_t<R>
66ee0f8c40SNikolas Klauser      find(R&& r, const T& value, Proj proj = {});                                  // since C++20
67ee0f8c40SNikolas Klauser
68ee0f8c40SNikolas Klauser  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
69ee0f8c40SNikolas Klauser           indirect_unary_predicate<projected<I, Proj>> Pred>
70ee0f8c40SNikolas Klauser    constexpr I find_if(I first, S last, Pred pred, Proj proj = {});                // since C++20
71ee0f8c40SNikolas Klauser
72ee0f8c40SNikolas Klauser  template<input_range R, class Proj = identity,
73ee0f8c40SNikolas Klauser           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
74ee0f8c40SNikolas Klauser    constexpr borrowed_iterator_t<R>
75ee0f8c40SNikolas Klauser      find_if(R&& r, Pred pred, Proj proj = {});                                    // since C++20
76ee0f8c40SNikolas Klauser
77ee0f8c40SNikolas Klauser  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
78ee0f8c40SNikolas Klauser           indirect_unary_predicate<projected<I, Proj>> Pred>
79ee0f8c40SNikolas Klauser    constexpr I find_if_not(I first, S last, Pred pred, Proj proj = {});            // since C++20
80ee0f8c40SNikolas Klauser
81ee0f8c40SNikolas Klauser  template<input_range R, class Proj = identity,
82ee0f8c40SNikolas Klauser           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
83ee0f8c40SNikolas Klauser    constexpr borrowed_iterator_t<R>
84ee0f8c40SNikolas Klauser      find_if_not(R&& r, Pred pred, Proj proj = {});                                // since C++20
85f83d833eSNikolas Klauser
86f83d833eSNikolas Klauser  template<class T, class Proj = identity,
87f83d833eSNikolas Klauser           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
88f83d833eSNikolas Klauser    constexpr const T& min(const T& a, const T& b, Comp comp = {}, Proj proj = {}); // since C++20
89f83d833eSNikolas Klauser
90f83d833eSNikolas Klauser  template<copyable T, class Proj = identity,
91f83d833eSNikolas Klauser           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
92f83d833eSNikolas Klauser    constexpr T min(initializer_list<T> r, Comp comp = {}, Proj proj = {});         // since C++20
93f83d833eSNikolas Klauser
94f83d833eSNikolas Klauser template<input_range R, class Proj = identity,
95f83d833eSNikolas Klauser          indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
96f83d833eSNikolas Klauser   requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*>
97f83d833eSNikolas Klauser   constexpr range_value_t<R>
98f83d833eSNikolas Klauser     min(R&& r, Comp comp = {}, Proj proj = {});                                    // since C++20
99e476df56SNikolas Klauser
100e476df56SNikolas Klauser  template<class T, class Proj = identity,
101e476df56SNikolas Klauser           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
102e476df56SNikolas Klauser    constexpr const T& max(const T& a, const T& b, Comp comp = {}, Proj proj = {}); // since C++20
103e476df56SNikolas Klauser
104e476df56SNikolas Klauser  template<copyable T, class Proj = identity,
105e476df56SNikolas Klauser           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
106e476df56SNikolas Klauser    constexpr T max(initializer_list<T> r, Comp comp = {}, Proj proj = {});         // since C++20
107e476df56SNikolas Klauser
108e476df56SNikolas Klauser  template<input_range R, class Proj = identity,
109e476df56SNikolas Klauser           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
110e476df56SNikolas Klauser    requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*>
111e476df56SNikolas Klauser    constexpr range_value_t<R>
112e476df56SNikolas Klauser      max(R&& r, Comp comp = {}, Proj proj = {});                                   // since C++20
113*3ba8548cSNikolas Klauser
114*3ba8548cSNikolas Klauser  template<class I, class O>
115*3ba8548cSNikolas Klauser    using unary_transform_result = in_out_result<I, O>;                             // since C++20
116*3ba8548cSNikolas Klauser
117*3ba8548cSNikolas Klauser  template<class I1, class I2, class O>
118*3ba8548cSNikolas Klauser    using binary_transform_result = in_in_out_result<I1, I2, O>;                    // since C++20
119*3ba8548cSNikolas Klauser
120*3ba8548cSNikolas Klauser  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O,
121*3ba8548cSNikolas Klauser           copy_constructible F, class Proj = identity>
122*3ba8548cSNikolas Klauser    requires indirectly_writable<O, indirect_result_t<F&, projected<I, Proj>>>
123*3ba8548cSNikolas Klauser    constexpr ranges::unary_transform_result<I, O>
124*3ba8548cSNikolas Klauser      transform(I first1, S last1, O result, F op, Proj proj = {});                 // since C++20
125*3ba8548cSNikolas Klauser
126*3ba8548cSNikolas Klauser  template<input_range R, weakly_incrementable O, copy_constructible F,
127*3ba8548cSNikolas Klauser           class Proj = identity>
128*3ba8548cSNikolas Klauser    requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R>, Proj>>>
129*3ba8548cSNikolas Klauser    constexpr ranges::unary_transform_result<borrowed_iterator_t<R>, O>
130*3ba8548cSNikolas Klauser      transform(R&& r, O result, F op, Proj proj = {});                             // since C++20
131*3ba8548cSNikolas Klauser
132*3ba8548cSNikolas Klauser  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
133*3ba8548cSNikolas Klauser           weakly_incrementable O, copy_constructible F, class Proj1 = identity,
134*3ba8548cSNikolas Klauser           class Proj2 = identity>
135*3ba8548cSNikolas Klauser    requires indirectly_writable<O, indirect_result_t<F&, projected<I1, Proj1>,
136*3ba8548cSNikolas Klauser                                           projected<I2, Proj2>>>
137*3ba8548cSNikolas Klauser    constexpr ranges::binary_transform_result<I1, I2, O>
138*3ba8548cSNikolas Klauser      transform(I1 first1, S1 last1, I2 first2, S2 last2, O result,
139*3ba8548cSNikolas Klauser                        F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});           // since C++20
140*3ba8548cSNikolas Klauser
141*3ba8548cSNikolas Klauser  template<input_range R1, input_range R2, weakly_incrementable O,
142*3ba8548cSNikolas Klauser           copy_constructible F, class Proj1 = identity, class Proj2 = identity>
143*3ba8548cSNikolas Klauser    requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R1>, Proj1>,
144*3ba8548cSNikolas Klauser                                           projected<iterator_t<R2>, Proj2>>>
145*3ba8548cSNikolas Klauser    constexpr ranges::binary_transform_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O>
146*3ba8548cSNikolas Klauser      transform(R1&& r1, R2&& r2, O result,
147*3ba8548cSNikolas Klauser                        F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});           // since C++20
148d3729bb3SNikolas Klauser}
149d3729bb3SNikolas Klauser
150706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
1513e519524SHoward Hinnant    all_of(InputIterator first, InputIterator last, Predicate pred);
1523e519524SHoward Hinnant
1533e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
154706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
1553e519524SHoward Hinnant    any_of(InputIterator first, InputIterator last, Predicate pred);
1563e519524SHoward Hinnant
1573e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
158706ffef7SMarshall Clow    constexpr bool     // constexpr in C++20
1593e519524SHoward Hinnant    none_of(InputIterator first, InputIterator last, Predicate pred);
1603e519524SHoward Hinnant
1613e519524SHoward Hinnanttemplate <class InputIterator, class Function>
1621b9a4ffdSMarshall Clow    constexpr Function          // constexpr in C++20
1633e519524SHoward Hinnant    for_each(InputIterator first, InputIterator last, Function f);
1643e519524SHoward Hinnant
165d5c65ffaSMarshall Clowtemplate<class InputIterator, class Size, class Function>
1661b9a4ffdSMarshall Clow    constexpr InputIterator     // constexpr in C++20
1671b9a4ffdSMarshall Clow    for_each_n(InputIterator first, Size n, Function f); // C++17
168d5c65ffaSMarshall Clow
1693e519524SHoward Hinnanttemplate <class InputIterator, class T>
17049c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
1713e519524SHoward Hinnant    find(InputIterator first, InputIterator last, const T& value);
1723e519524SHoward Hinnant
1733e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
17449c7643cSMarshall Clow    constexpr InputIterator     // constexpr in C++20
1753e519524SHoward Hinnant    find_if(InputIterator first, InputIterator last, Predicate pred);
1763e519524SHoward Hinnant
1773e519524SHoward Hinnanttemplate<class InputIterator, class Predicate>
178b8bc4e15SArthur O'Dwyer    constexpr InputIterator     // constexpr in C++20
1793e519524SHoward Hinnant    find_if_not(InputIterator first, InputIterator last, Predicate pred);
1803e519524SHoward Hinnant
1813e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
182b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
1833e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
1843e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2);
1853e519524SHoward Hinnant
1863e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
187b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator1  // constexpr in C++20
1883e519524SHoward Hinnant    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
1893e519524SHoward Hinnant             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
1903e519524SHoward Hinnant
1913e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
1928694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
1933e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
1943e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2);
1953e519524SHoward Hinnant
1963e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
1978694428eSMarshall Clow    constexpr ForwardIterator1  // constexpr in C++20
1983e519524SHoward Hinnant    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
1993e519524SHoward Hinnant                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
2003e519524SHoward Hinnant
2013e519524SHoward Hinnanttemplate <class ForwardIterator>
2028694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
2033e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last);
2043e519524SHoward Hinnant
2053e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
2068694428eSMarshall Clow    constexpr ForwardIterator   // constexpr in C++20
2073e519524SHoward Hinnant    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
2083e519524SHoward Hinnant
2093e519524SHoward Hinnanttemplate <class InputIterator, class T>
210056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
2113e519524SHoward Hinnant    count(InputIterator first, InputIterator last, const T& value);
2123e519524SHoward Hinnant
2133e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
214056f15e3SMarshall Clow    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
2153e519524SHoward Hinnant    count_if(InputIterator first, InputIterator last, Predicate pred);
2163e519524SHoward Hinnant
2173e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
2186538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
2193e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
2203e519524SHoward Hinnant
2210b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
2226538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
2230b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
2240b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2); // **C++14**
2250b0bbd2fSMarshall Clow
2263e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
2276538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
2283e519524SHoward Hinnant    mismatch(InputIterator1 first1, InputIterator1 last1,
2293e519524SHoward Hinnant             InputIterator2 first2, BinaryPredicate pred);
2303e519524SHoward Hinnant
2310b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
2326538e28dSMarshall Clow    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
2330b0bbd2fSMarshall Clow    mismatch(InputIterator1 first1, InputIterator1 last1,
2340b0bbd2fSMarshall Clow             InputIterator2 first2, InputIterator2 last2,
2350b0bbd2fSMarshall Clow             BinaryPredicate pred); // **C++14**
2360b0bbd2fSMarshall Clow
2373e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
2386538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
2393e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
2403e519524SHoward Hinnant
2410b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2>
2426538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
2430b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
2440b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2); // **C++14**
2450b0bbd2fSMarshall Clow
2463e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
2476538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
2483e519524SHoward Hinnant    equal(InputIterator1 first1, InputIterator1 last1,
2493e519524SHoward Hinnant          InputIterator2 first2, BinaryPredicate pred);
2503e519524SHoward Hinnant
2510b0bbd2fSMarshall Clowtemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
2526538e28dSMarshall Clow    constexpr bool      // constexpr in C++20
2530b0bbd2fSMarshall Clow    equal(InputIterator1 first1, InputIterator1 last1,
2540b0bbd2fSMarshall Clow          InputIterator2 first2, InputIterator2 last2,
2550b0bbd2fSMarshall Clow          BinaryPredicate pred); // **C++14**
2560b0bbd2fSMarshall Clow
2573e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2>
25849c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
2593e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
2603e519524SHoward Hinnant                   ForwardIterator2 first2);
2613e519524SHoward Hinnant
2620b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2>
26349c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
2640b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
2650b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
2660b0bbd2fSMarshall Clow
2673e519524SHoward Hinnanttemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
26849c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
2693e519524SHoward Hinnant    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
2703e519524SHoward Hinnant                   ForwardIterator2 first2, BinaryPredicate pred);
2713e519524SHoward Hinnant
2720b0bbd2fSMarshall Clowtemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
27349c7643cSMarshall Clow    constexpr bool      // constexpr in C++20
2740b0bbd2fSMarshall Clow    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
2750b0bbd2fSMarshall Clow                   ForwardIterator2 first2, ForwardIterator2 last2,
2760b0bbd2fSMarshall Clow                   BinaryPredicate pred);  // **C++14**
2770b0bbd2fSMarshall Clow
2783e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
27912f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
2803e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
2813e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2);
2823e519524SHoward Hinnant
2833e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
28412f0a779SMarshall Clow    constexpr ForwardIterator1      // constexpr in C++20
2853e519524SHoward Hinnant    search(ForwardIterator1 first1, ForwardIterator1 last1,
2863e519524SHoward Hinnant           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
2873e519524SHoward Hinnant
2883e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T>
28912f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
2903e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
2913e519524SHoward Hinnant
2923e519524SHoward Hinnanttemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
29312f0a779SMarshall Clow    constexpr ForwardIterator       // constexpr in C++20
2943e519524SHoward Hinnant    search_n(ForwardIterator first, ForwardIterator last,
2953e519524SHoward Hinnant             Size count, const T& value, BinaryPredicate pred);
2963e519524SHoward Hinnant
2973e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
29813c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
2993e519524SHoward Hinnant    copy(InputIterator first, InputIterator last, OutputIterator result);
3003e519524SHoward Hinnant
3013e519524SHoward Hinnanttemplate<class InputIterator, class OutputIterator, class Predicate>
30213c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
3033e519524SHoward Hinnant    copy_if(InputIterator first, InputIterator last,
3043e519524SHoward Hinnant            OutputIterator result, Predicate pred);
3053e519524SHoward Hinnant
3063e519524SHoward Hinnanttemplate<class InputIterator, class Size, class OutputIterator>
30713c90a57SLouis Dionne    constexpr OutputIterator      // constexpr in C++20
3083e519524SHoward Hinnant    copy_n(InputIterator first, Size n, OutputIterator result);
3093e519524SHoward Hinnant
3103e519524SHoward Hinnanttemplate <class BidirectionalIterator1, class BidirectionalIterator2>
31113c90a57SLouis Dionne    constexpr BidirectionalIterator2      // constexpr in C++20
3123e519524SHoward Hinnant    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
3133e519524SHoward Hinnant                  BidirectionalIterator2 result);
3143e519524SHoward Hinnant
3153e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
316b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator2    // constexpr in C++20
3173e519524SHoward Hinnant    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
3183e519524SHoward Hinnant
3199d905319SNikolas Klausertemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
3209d905319SNikolas Klauser        requires indirectly_swappable<I1, I2>
3219d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<I1, I2>
3229d905319SNikolas Klauser        ranges::swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
3239d905319SNikolas Klauser
3249d905319SNikolas Klausertemplate<input_range R1, input_range R2>
3259d905319SNikolas Klauser        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
3269d905319SNikolas Klauser    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
3279d905319SNikolas Klauser        ranges::swap_ranges(R1&& r1, R2&& r2);
3289d905319SNikolas Klauser
3293e519524SHoward Hinnanttemplate <class ForwardIterator1, class ForwardIterator2>
330b8bc4e15SArthur O'Dwyer    constexpr void                // constexpr in C++20
3313e519524SHoward Hinnant    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
3323e519524SHoward Hinnant
3333e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class UnaryOperation>
33499894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3353e519524SHoward Hinnant    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
3363e519524SHoward Hinnant
3373e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
33899894b61SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3393e519524SHoward Hinnant    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
3403e519524SHoward Hinnant              OutputIterator result, BinaryOperation binary_op);
3413e519524SHoward Hinnant
3423e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
34312c7423fSMarshall Clow    constexpr void      // constexpr in C++20
3443e519524SHoward Hinnant    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
3453e519524SHoward Hinnant
3463e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate, class T>
34712c7423fSMarshall Clow    constexpr void      // constexpr in C++20
3483e519524SHoward Hinnant    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
3493e519524SHoward Hinnant
3503e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
35112c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3523e519524SHoward Hinnant    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
3533e519524SHoward Hinnant                 const T& old_value, const T& new_value);
3543e519524SHoward Hinnant
3553e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate, class T>
35612c7423fSMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3573e519524SHoward Hinnant    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
3583e519524SHoward Hinnant
3593e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
3604bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
3613e519524SHoward Hinnant    fill(ForwardIterator first, ForwardIterator last, const T& value);
3623e519524SHoward Hinnant
3633e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class T>
3644bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3653e519524SHoward Hinnant    fill_n(OutputIterator first, Size n, const T& value);
3663e519524SHoward Hinnant
3673e519524SHoward Hinnanttemplate <class ForwardIterator, class Generator>
3684bfb9313SMarshall Clow    constexpr void      // constexpr in C++20
3693e519524SHoward Hinnant    generate(ForwardIterator first, ForwardIterator last, Generator gen);
3703e519524SHoward Hinnant
3713e519524SHoward Hinnanttemplate <class OutputIterator, class Size, class Generator>
3724bfb9313SMarshall Clow    constexpr OutputIterator      // constexpr in C++20
3733e519524SHoward Hinnant    generate_n(OutputIterator first, Size n, Generator gen);
3743e519524SHoward Hinnant
3753e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
376e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
3773e519524SHoward Hinnant    remove(ForwardIterator first, ForwardIterator last, const T& value);
3783e519524SHoward Hinnant
3793e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
380e8ea8296SMarshall Clow    constexpr ForwardIterator     // constexpr in C++20
3813e519524SHoward Hinnant    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
3823e519524SHoward Hinnant
3833e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class T>
384e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
3853e519524SHoward Hinnant    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
3863e519524SHoward Hinnant
3873e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class Predicate>
388e8ea8296SMarshall Clow    constexpr OutputIterator     // constexpr in C++20
3893e519524SHoward Hinnant    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
3903e519524SHoward Hinnant
3913e519524SHoward Hinnanttemplate <class ForwardIterator>
392b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
3933e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last);
3943e519524SHoward Hinnant
3953e519524SHoward Hinnanttemplate <class ForwardIterator, class BinaryPredicate>
396b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator    // constexpr in C++20
3973e519524SHoward Hinnant    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
3983e519524SHoward Hinnant
3993e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator>
400b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
4013e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
4023e519524SHoward Hinnant
4033e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
404b8bc4e15SArthur O'Dwyer    constexpr OutputIterator     // constexpr in C++20
4053e519524SHoward Hinnant    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
4063e519524SHoward Hinnant
4073e519524SHoward Hinnanttemplate <class BidirectionalIterator>
408f851db3dSArthur O'Dwyer    constexpr void               // constexpr in C++20
4093e519524SHoward Hinnant    reverse(BidirectionalIterator first, BidirectionalIterator last);
4103e519524SHoward Hinnant
4113e519524SHoward Hinnanttemplate <class BidirectionalIterator, class OutputIterator>
412e8ea8296SMarshall Clow    constexpr OutputIterator       // constexpr in C++20
4133e519524SHoward Hinnant    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
4143e519524SHoward Hinnant
4153e519524SHoward Hinnanttemplate <class ForwardIterator>
416b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator      // constexpr in C++20
4173e519524SHoward Hinnant    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
4183e519524SHoward Hinnant
4193e519524SHoward Hinnanttemplate <class ForwardIterator, class OutputIterator>
420b8bc4e15SArthur O'Dwyer    constexpr OutputIterator       // constexpr in C++20
4213e519524SHoward Hinnant    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
4223e519524SHoward Hinnant
4233e519524SHoward Hinnanttemplate <class RandomAccessIterator>
4243e519524SHoward Hinnant    void
4250f37a410SMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
4263e519524SHoward Hinnant
4273e519524SHoward Hinnanttemplate <class RandomAccessIterator, class RandomNumberGenerator>
4283e519524SHoward Hinnant    void
42906965c1fSMarshall Clow    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
4300f37a410SMarshall Clow                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
4313e519524SHoward Hinnant
432e7154709SEric Fiseliertemplate<class PopulationIterator, class SampleIterator,
433e7154709SEric Fiselier         class Distance, class UniformRandomBitGenerator>
434e7154709SEric Fiselier    SampleIterator sample(PopulationIterator first, PopulationIterator last,
435e7154709SEric Fiselier                          SampleIterator out, Distance n,
436e7154709SEric Fiselier                          UniformRandomBitGenerator&& g); // C++17
437e7154709SEric Fiselier
438f9d540b0SHoward Hinnanttemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
439f9d540b0SHoward Hinnant    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
440fb340102SHoward Hinnant                 UniformRandomNumberGenerator&& g);
441f9d540b0SHoward Hinnant
4423fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
4433fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
4443fbd3eafSArthur O'Dwyer    shift_left(ForwardIterator first, ForwardIterator last,
4453fbd3eafSArthur O'Dwyer               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
4463fbd3eafSArthur O'Dwyer
4473fbd3eafSArthur O'Dwyertemplate<class ForwardIterator>
4483fbd3eafSArthur O'Dwyer  constexpr ForwardIterator
4493fbd3eafSArthur O'Dwyer    shift_right(ForwardIterator first, ForwardIterator last,
4503fbd3eafSArthur O'Dwyer                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
4513fbd3eafSArthur O'Dwyer
4523e519524SHoward Hinnanttemplate <class InputIterator, class Predicate>
45349c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
4543e519524SHoward Hinnant    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
4553e519524SHoward Hinnant
4563e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
457f851db3dSArthur O'Dwyer    constexpr ForwardIterator  // constexpr in C++20
4583e519524SHoward Hinnant    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
4593e519524SHoward Hinnant
4603e519524SHoward Hinnanttemplate <class InputIterator, class OutputIterator1,
4613e519524SHoward Hinnant          class OutputIterator2, class Predicate>
4621b9a4ffdSMarshall Clow    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
4633e519524SHoward Hinnant    partition_copy(InputIterator first, InputIterator last,
4643e519524SHoward Hinnant                   OutputIterator1 out_true, OutputIterator2 out_false,
4653e519524SHoward Hinnant                   Predicate pred);
4663e519524SHoward Hinnant
4673e519524SHoward Hinnanttemplate <class ForwardIterator, class Predicate>
4683e519524SHoward Hinnant    ForwardIterator
4693e519524SHoward Hinnant    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
4703e519524SHoward Hinnant
4713e519524SHoward Hinnanttemplate<class ForwardIterator, class Predicate>
472d57c03ddSMarshall Clow    constexpr ForwardIterator  // constexpr in C++20
4733e519524SHoward Hinnant    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
4743e519524SHoward Hinnant
4753e519524SHoward Hinnanttemplate <class ForwardIterator>
47649c7643cSMarshall Clow    constexpr bool  // constexpr in C++20
4773e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last);
4783e519524SHoward Hinnant
4793e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
480b8bc4e15SArthur O'Dwyer    constexpr bool  // constexpr in C++20
4813e519524SHoward Hinnant    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
4823e519524SHoward Hinnant
4833e519524SHoward Hinnanttemplate<class ForwardIterator>
484056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
4853e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last);
4863e519524SHoward Hinnant
4873e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
488056f15e3SMarshall Clow    constexpr ForwardIterator    // constexpr in C++20
4893e519524SHoward Hinnant    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
4903e519524SHoward Hinnant
4913e519524SHoward Hinnanttemplate <class RandomAccessIterator>
492493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
4933e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last);
4943e519524SHoward Hinnant
4953e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
496493f1407SArthur O'Dwyer    constexpr void               // constexpr in C++20
4973e519524SHoward Hinnant    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
4983e519524SHoward Hinnant
4993e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5003e519524SHoward Hinnant    void
5013e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
5023e519524SHoward Hinnant
5033e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5043e519524SHoward Hinnant    void
5053e519524SHoward Hinnant    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
5063e519524SHoward Hinnant
5073e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5085386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
5093e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
5103e519524SHoward Hinnant
5113e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5125386aa26SArthur O'Dwyer    constexpr void                    // constexpr in C++20
5133e519524SHoward Hinnant    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
5143e519524SHoward Hinnant
5153e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator>
5165386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
5173e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
5183e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last);
5193e519524SHoward Hinnant
5203e519524SHoward Hinnanttemplate <class InputIterator, class RandomAccessIterator, class Compare>
5215386aa26SArthur O'Dwyer    constexpr RandomAccessIterator    // constexpr in C++20
5223e519524SHoward Hinnant    partial_sort_copy(InputIterator first, InputIterator last,
5233e519524SHoward Hinnant                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
5243e519524SHoward Hinnant
5253e519524SHoward Hinnanttemplate <class RandomAccessIterator>
5265d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
5273e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
5283e519524SHoward Hinnant
5293e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
5305d956563SArthur O'Dwyer    constexpr void                    // constexpr in C++20
5313e519524SHoward Hinnant    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
5323e519524SHoward Hinnant
5333e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
534d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
5353e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
5363e519524SHoward Hinnant
5373e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
538d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
5393e519524SHoward Hinnant    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
5403e519524SHoward Hinnant
5413e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
542d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
5433e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
5443e519524SHoward Hinnant
5453e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
546d57c03ddSMarshall Clow    constexpr ForwardIterator                         // constexpr in C++20
5473e519524SHoward Hinnant    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
5483e519524SHoward Hinnant
5493e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
550d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
5513e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
5523e519524SHoward Hinnant
5533e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
554d57c03ddSMarshall Clow    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
5553e519524SHoward Hinnant    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
5563e519524SHoward Hinnant
5573e519524SHoward Hinnanttemplate <class ForwardIterator, class T>
558d57c03ddSMarshall Clow    constexpr bool                                    // constexpr in C++20
5593e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
5603e519524SHoward Hinnant
5613e519524SHoward Hinnanttemplate <class ForwardIterator, class T, class Compare>
5628da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
5633e519524SHoward Hinnant    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
5643e519524SHoward Hinnant
5653e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
56614098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
5673e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
5683e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5693e519524SHoward Hinnant
5703e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
57114098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
5723e519524SHoward Hinnant    merge(InputIterator1 first1, InputIterator1 last1,
5733e519524SHoward Hinnant          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
5743e519524SHoward Hinnant
5753e519524SHoward Hinnanttemplate <class BidirectionalIterator>
5763e519524SHoward Hinnant    void
5773e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
5783e519524SHoward Hinnant
5793e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
5803e519524SHoward Hinnant    void
5813e519524SHoward Hinnant    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
5823e519524SHoward Hinnant
5833e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
5848da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
5853e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
5863e519524SHoward Hinnant
5873e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
5888da1a487SMarshall Clow    constexpr bool                                    // constexpr in C++20
5893e519524SHoward Hinnant    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
5903e519524SHoward Hinnant
5913e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
59214098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
5933e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
5943e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
5953e519524SHoward Hinnant
5963e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
59714098cf6SArthur O'Dwyer    constexpr OutputIterator                          // constexpr in C++20
5983e519524SHoward Hinnant    set_union(InputIterator1 first1, InputIterator1 last1,
5993e519524SHoward Hinnant              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
6003e519524SHoward Hinnant
6013e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
6028da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
6033e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
6043e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
6053e519524SHoward Hinnant
6063e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
6078da1a487SMarshall Clow    constexpr OutputIterator                         // constexpr in C++20
6083e519524SHoward Hinnant    set_intersection(InputIterator1 first1, InputIterator1 last1,
6093e519524SHoward Hinnant                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
6103e519524SHoward Hinnant
6113e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
61214098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
6133e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
6143e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
6153e519524SHoward Hinnant
6163e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
61714098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
6183e519524SHoward Hinnant    set_difference(InputIterator1 first1, InputIterator1 last1,
6193e519524SHoward Hinnant                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
6203e519524SHoward Hinnant
6213e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator>
62214098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
6233e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
6243e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
6253e519524SHoward Hinnant
6263e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
62714098cf6SArthur O'Dwyer    constexpr OutputIterator                         // constexpr in C++20
6283e519524SHoward Hinnant    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
6293e519524SHoward Hinnant                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
6303e519524SHoward Hinnant
6313e519524SHoward Hinnanttemplate <class RandomAccessIterator>
6325386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6333e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last);
6343e519524SHoward Hinnant
6353e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
6365386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6373e519524SHoward Hinnant    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
6383e519524SHoward Hinnant
6393e519524SHoward Hinnanttemplate <class RandomAccessIterator>
6405386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6413e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
6423e519524SHoward Hinnant
6433e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
6445386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6453e519524SHoward Hinnant    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
6463e519524SHoward Hinnant
6473e519524SHoward Hinnanttemplate <class RandomAccessIterator>
6485386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6493e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last);
6503e519524SHoward Hinnant
6513e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
6525386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6533e519524SHoward Hinnant    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
6543e519524SHoward Hinnant
6553e519524SHoward Hinnanttemplate <class RandomAccessIterator>
6565386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6573e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
6583e519524SHoward Hinnant
6593e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
6605386aa26SArthur O'Dwyer    constexpr void                                   // constexpr in C++20
6613e519524SHoward Hinnant    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
6623e519524SHoward Hinnant
6633e519524SHoward Hinnanttemplate <class RandomAccessIterator>
66449c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
6653e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last);
6663e519524SHoward Hinnant
6673e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
66849c7643cSMarshall Clow    constexpr bool   // constexpr in C++20
6693e519524SHoward Hinnant    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
6703e519524SHoward Hinnant
6713e519524SHoward Hinnanttemplate <class RandomAccessIterator>
67249c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
6733e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
6743e519524SHoward Hinnant
6753e519524SHoward Hinnanttemplate <class RandomAccessIterator, class Compare>
67649c7643cSMarshall Clow    constexpr RandomAccessIterator   // constexpr in C++20
6773e519524SHoward Hinnant    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
6783e519524SHoward Hinnant
6794eb27b79SHoward Hinnanttemplate <class ForwardIterator>
680b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
681b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last);
6824eb27b79SHoward Hinnant
6834eb27b79SHoward Hinnanttemplate <class ForwardIterator, class Compare>
684b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
685b8bc4e15SArthur O'Dwyer    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
6864eb27b79SHoward Hinnant
6873e519524SHoward Hinnanttemplate <class T>
688b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
689b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b);
6903e519524SHoward Hinnant
6913e519524SHoward Hinnanttemplate <class T, class Compare>
692b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
693b8bc4e15SArthur O'Dwyer    min(const T& a, const T& b, Compare comp);
6943e519524SHoward Hinnant
6953e519524SHoward Hinnanttemplate<class T>
696b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
697b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t);
6983e519524SHoward Hinnant
6993e519524SHoward Hinnanttemplate<class T, class Compare>
700b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
701b8bc4e15SArthur O'Dwyer    min(initializer_list<T> t, Compare comp);
7023e519524SHoward Hinnant
703146c14acSMarshall Clowtemplate<class T>
704146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
705146c14acSMarshall Clow
706146c14acSMarshall Clowtemplate<class T, class Compare>
707146c14acSMarshall Clow    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
708146c14acSMarshall Clow
7093e519524SHoward Hinnanttemplate <class ForwardIterator>
710b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
711b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last);
7123e519524SHoward Hinnant
7133e519524SHoward Hinnanttemplate <class ForwardIterator, class Compare>
714b8bc4e15SArthur O'Dwyer    constexpr ForwardIterator        // constexpr in C++14
715b8bc4e15SArthur O'Dwyer    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
7163e519524SHoward Hinnant
7174eb27b79SHoward Hinnanttemplate <class T>
718b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
719b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b);
7204eb27b79SHoward Hinnant
7214eb27b79SHoward Hinnanttemplate <class T, class Compare>
722b8bc4e15SArthur O'Dwyer    constexpr const T&               // constexpr in C++14
723b8bc4e15SArthur O'Dwyer    max(const T& a, const T& b, Compare comp);
7244eb27b79SHoward Hinnant
7254eb27b79SHoward Hinnanttemplate<class T>
726b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
727b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t);
7284eb27b79SHoward Hinnant
7294eb27b79SHoward Hinnanttemplate<class T, class Compare>
730b8bc4e15SArthur O'Dwyer    constexpr T                      // constexpr in C++14
731b8bc4e15SArthur O'Dwyer    max(initializer_list<T> t, Compare comp);
7324eb27b79SHoward Hinnant
7334eb27b79SHoward Hinnanttemplate<class ForwardIterator>
734b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
735b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last);
7364eb27b79SHoward Hinnant
7374eb27b79SHoward Hinnanttemplate<class ForwardIterator, class Compare>
738b8bc4e15SArthur O'Dwyer    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
739b8bc4e15SArthur O'Dwyer    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
7404eb27b79SHoward Hinnant
7414eb27b79SHoward Hinnanttemplate<class T>
742b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
743b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b);
7444eb27b79SHoward Hinnant
7454eb27b79SHoward Hinnanttemplate<class T, class Compare>
746b8bc4e15SArthur O'Dwyer    constexpr pair<const T&, const T&>  // constexpr in C++14
747b8bc4e15SArthur O'Dwyer    minmax(const T& a, const T& b, Compare comp);
7484eb27b79SHoward Hinnant
7494eb27b79SHoward Hinnanttemplate<class T>
750b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
751b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t);
7524eb27b79SHoward Hinnant
7534eb27b79SHoward Hinnanttemplate<class T, class Compare>
754b8bc4e15SArthur O'Dwyer    constexpr pair<T, T>                // constexpr in C++14
755b8bc4e15SArthur O'Dwyer    minmax(initializer_list<T> t, Compare comp);
7564eb27b79SHoward Hinnant
7573e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2>
7581b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
7593e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
7603e519524SHoward Hinnant
7613e519524SHoward Hinnanttemplate <class InputIterator1, class InputIterator2, class Compare>
7621b9a4ffdSMarshall Clow    constexpr bool     // constexpr in C++20
7633e519524SHoward Hinnant    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
7643e519524SHoward Hinnant                            InputIterator2 first2, InputIterator2 last2, Compare comp);
7653e519524SHoward Hinnant
7663e519524SHoward Hinnanttemplate <class BidirectionalIterator>
767f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
7683e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
7693e519524SHoward Hinnant
7703e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
771f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
7723e519524SHoward Hinnant    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
7733e519524SHoward Hinnant
7743e519524SHoward Hinnanttemplate <class BidirectionalIterator>
775f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
7763e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
7773e519524SHoward Hinnant
7783e519524SHoward Hinnanttemplate <class BidirectionalIterator, class Compare>
779f851db3dSArthur O'Dwyer    constexpr bool     // constexpr in C++20
7803e519524SHoward Hinnant    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
7813e519524SHoward Hinnant}  // std
7823e519524SHoward Hinnant
7833e519524SHoward Hinnant*/
7843e519524SHoward Hinnant
785385cc25aSLouis Dionne#include <__assert> // all public C++ headers provide the assertion handler
786ea2206d7SArthur O'Dwyer#include <__bits>
7873e519524SHoward Hinnant#include <__config>
788134723edSLouis Dionne#include <__debug>
789a1d07d57SHoward Hinnant#include <cstddef>
790bfbd73f8SArthur O'Dwyer#include <cstring>
791bfbd73f8SArthur O'Dwyer#include <functional>
792bfbd73f8SArthur O'Dwyer#include <initializer_list>
793bfbd73f8SArthur O'Dwyer#include <iterator>
794bfbd73f8SArthur O'Dwyer#include <memory>
795bfbd73f8SArthur O'Dwyer#include <type_traits>
796f56972e2SMarshall Clow#include <version>
7975d1a701dSHoward Hinnant
798134723edSLouis Dionne#include <__algorithm/adjacent_find.h>
799134723edSLouis Dionne#include <__algorithm/all_of.h>
800134723edSLouis Dionne#include <__algorithm/any_of.h>
801134723edSLouis Dionne#include <__algorithm/binary_search.h>
802134723edSLouis Dionne#include <__algorithm/clamp.h>
803134723edSLouis Dionne#include <__algorithm/comp.h>
804134723edSLouis Dionne#include <__algorithm/comp_ref_type.h>
805134723edSLouis Dionne#include <__algorithm/copy.h>
806134723edSLouis Dionne#include <__algorithm/copy_backward.h>
807134723edSLouis Dionne#include <__algorithm/copy_if.h>
808134723edSLouis Dionne#include <__algorithm/copy_n.h>
809134723edSLouis Dionne#include <__algorithm/count.h>
810134723edSLouis Dionne#include <__algorithm/count_if.h>
811134723edSLouis Dionne#include <__algorithm/equal.h>
812134723edSLouis Dionne#include <__algorithm/equal_range.h>
813134723edSLouis Dionne#include <__algorithm/fill.h>
8144d81a46fSArthur O'Dwyer#include <__algorithm/fill_n.h>
815134723edSLouis Dionne#include <__algorithm/find.h>
816134723edSLouis Dionne#include <__algorithm/find_end.h>
817134723edSLouis Dionne#include <__algorithm/find_first_of.h>
818134723edSLouis Dionne#include <__algorithm/find_if.h>
819134723edSLouis Dionne#include <__algorithm/find_if_not.h>
820134723edSLouis Dionne#include <__algorithm/for_each.h>
821134723edSLouis Dionne#include <__algorithm/for_each_n.h>
822134723edSLouis Dionne#include <__algorithm/generate.h>
8234d81a46fSArthur O'Dwyer#include <__algorithm/generate_n.h>
824134723edSLouis Dionne#include <__algorithm/half_positive.h>
82568f4131cSNikolas Klauser#include <__algorithm/in_found_result.h>
8261e77b396SNikolas Klauser#include <__algorithm/in_fun_result.h>
827f3514af4SNikolas Klauser#include <__algorithm/in_in_out_result.h>
828d3729bb3SNikolas Klauser#include <__algorithm/in_in_result.h>
829610979b3SNikolas Klauser#include <__algorithm/in_out_out_result.h>
8308d23b742SKonstantin Varlamov#include <__algorithm/in_out_result.h>
831134723edSLouis Dionne#include <__algorithm/includes.h>
832134723edSLouis Dionne#include <__algorithm/inplace_merge.h>
833134723edSLouis Dionne#include <__algorithm/is_heap.h>
834134723edSLouis Dionne#include <__algorithm/is_heap_until.h>
835134723edSLouis Dionne#include <__algorithm/is_partitioned.h>
836134723edSLouis Dionne#include <__algorithm/is_permutation.h>
837134723edSLouis Dionne#include <__algorithm/is_sorted.h>
838134723edSLouis Dionne#include <__algorithm/is_sorted_until.h>
8396adbc83eSChristopher Di Bella#include <__algorithm/iter_swap.h>
840134723edSLouis Dionne#include <__algorithm/lexicographical_compare.h>
841134723edSLouis Dionne#include <__algorithm/lower_bound.h>
842134723edSLouis Dionne#include <__algorithm/make_heap.h>
843134723edSLouis Dionne#include <__algorithm/max.h>
844134723edSLouis Dionne#include <__algorithm/max_element.h>
845134723edSLouis Dionne#include <__algorithm/merge.h>
846134723edSLouis Dionne#include <__algorithm/min.h>
847134723edSLouis Dionne#include <__algorithm/min_element.h>
848807766beSNikolas Klauser#include <__algorithm/min_max_result.h>
849134723edSLouis Dionne#include <__algorithm/minmax.h>
850134723edSLouis Dionne#include <__algorithm/minmax_element.h>
851134723edSLouis Dionne#include <__algorithm/mismatch.h>
852134723edSLouis Dionne#include <__algorithm/move.h>
853134723edSLouis Dionne#include <__algorithm/move_backward.h>
854134723edSLouis Dionne#include <__algorithm/next_permutation.h>
855134723edSLouis Dionne#include <__algorithm/none_of.h>
856134723edSLouis Dionne#include <__algorithm/nth_element.h>
857134723edSLouis Dionne#include <__algorithm/partial_sort.h>
858134723edSLouis Dionne#include <__algorithm/partial_sort_copy.h>
859134723edSLouis Dionne#include <__algorithm/partition.h>
860134723edSLouis Dionne#include <__algorithm/partition_copy.h>
861134723edSLouis Dionne#include <__algorithm/partition_point.h>
862134723edSLouis Dionne#include <__algorithm/pop_heap.h>
863134723edSLouis Dionne#include <__algorithm/prev_permutation.h>
864134723edSLouis Dionne#include <__algorithm/push_heap.h>
865ee0f8c40SNikolas Klauser#include <__algorithm/ranges_find.h>
866ee0f8c40SNikolas Klauser#include <__algorithm/ranges_find_if.h>
867ee0f8c40SNikolas Klauser#include <__algorithm/ranges_find_if_not.h>
868e476df56SNikolas Klauser#include <__algorithm/ranges_max.h>
869205557c9SNikolas Klauser#include <__algorithm/ranges_max_element.h>
870f83d833eSNikolas Klauser#include <__algorithm/ranges_min.h>
8713b470d1cSNikolas Klauser#include <__algorithm/ranges_min_element.h>
872c2cd15a6SNikolas Klauser#include <__algorithm/ranges_mismatch.h>
8739d905319SNikolas Klauser#include <__algorithm/ranges_swap_ranges.h>
874*3ba8548cSNikolas Klauser#include <__algorithm/ranges_transform.h>
875134723edSLouis Dionne#include <__algorithm/remove.h>
876134723edSLouis Dionne#include <__algorithm/remove_copy.h>
877134723edSLouis Dionne#include <__algorithm/remove_copy_if.h>
878134723edSLouis Dionne#include <__algorithm/remove_if.h>
879134723edSLouis Dionne#include <__algorithm/replace.h>
880134723edSLouis Dionne#include <__algorithm/replace_copy.h>
881134723edSLouis Dionne#include <__algorithm/replace_copy_if.h>
882134723edSLouis Dionne#include <__algorithm/replace_if.h>
883134723edSLouis Dionne#include <__algorithm/reverse.h>
884134723edSLouis Dionne#include <__algorithm/reverse_copy.h>
885134723edSLouis Dionne#include <__algorithm/rotate.h>
886134723edSLouis Dionne#include <__algorithm/rotate_copy.h>
887134723edSLouis Dionne#include <__algorithm/sample.h>
888134723edSLouis Dionne#include <__algorithm/search.h>
889134723edSLouis Dionne#include <__algorithm/search_n.h>
890134723edSLouis Dionne#include <__algorithm/set_difference.h>
891134723edSLouis Dionne#include <__algorithm/set_intersection.h>
892134723edSLouis Dionne#include <__algorithm/set_symmetric_difference.h>
893134723edSLouis Dionne#include <__algorithm/set_union.h>
894134723edSLouis Dionne#include <__algorithm/shift_left.h>
895134723edSLouis Dionne#include <__algorithm/shift_right.h>
896134723edSLouis Dionne#include <__algorithm/shuffle.h>
897134723edSLouis Dionne#include <__algorithm/sift_down.h>
898134723edSLouis Dionne#include <__algorithm/sort.h>
899134723edSLouis Dionne#include <__algorithm/sort_heap.h>
900134723edSLouis Dionne#include <__algorithm/stable_partition.h>
901134723edSLouis Dionne#include <__algorithm/stable_sort.h>
9026adbc83eSChristopher Di Bella#include <__algorithm/swap_ranges.h>
903134723edSLouis Dionne#include <__algorithm/transform.h>
904134723edSLouis Dionne#include <__algorithm/unique.h>
9054d81a46fSArthur O'Dwyer#include <__algorithm/unique_copy.h>
906134723edSLouis Dionne#include <__algorithm/unwrap_iter.h>
907134723edSLouis Dionne#include <__algorithm/upper_bound.h>
908c1bd9197SEric Fiselier
909073458b1SHoward Hinnant#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
9103e519524SHoward Hinnant#  pragma GCC system_header
911073458b1SHoward Hinnant#endif
9123e519524SHoward Hinnant
9130a06eb91SLouis Dionne#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
91495689243SLouis Dionne#   include <__pstl_algorithm>
9150a06eb91SLouis Dionne#endif
9160a06eb91SLouis Dionne
9173e519524SHoward Hinnant#endif // _LIBCPP_ALGORITHM
918