xref: /freebsd/contrib/llvm-project/libcxx/include/algorithm (revision 5f757f3ff9144b609b3c433dfd370cc6bdc191ad)
10b57cec5SDimitry Andric// -*- C++ -*-
2349cc55cSDimitry Andric//===----------------------------------------------------------------------===//
30b57cec5SDimitry Andric//
40b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
50b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information.
60b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
70b57cec5SDimitry Andric//
80b57cec5SDimitry Andric//===----------------------------------------------------------------------===//
90b57cec5SDimitry Andric
100b57cec5SDimitry Andric#ifndef _LIBCPP_ALGORITHM
110b57cec5SDimitry Andric#define _LIBCPP_ALGORITHM
120b57cec5SDimitry Andric
130b57cec5SDimitry Andric/*
140b57cec5SDimitry Andric    algorithm synopsis
150b57cec5SDimitry Andric
160b57cec5SDimitry Andric#include <initializer_list>
170b57cec5SDimitry Andric
180b57cec5SDimitry Andricnamespace std
190b57cec5SDimitry Andric{
200b57cec5SDimitry Andric
2104eeddc0SDimitry Andricnamespace ranges {
2281ad6265SDimitry Andric
2381ad6265SDimitry Andric  // [algorithms.results], algorithm result types
2481ad6265SDimitry Andric  template <class I, class F>
2581ad6265SDimitry Andric    struct in_fun_result;                // since C++20
2681ad6265SDimitry Andric
2704eeddc0SDimitry Andric  template <class I1, class I2>
2804eeddc0SDimitry Andric    struct in_in_result;                 // since C++20
291fd87a68SDimitry Andric
3081ad6265SDimitry Andric  template <class I, class O>
3181ad6265SDimitry Andric    struct in_out_result;                // since C++20
3281ad6265SDimitry Andric
331fd87a68SDimitry Andric  template <class I1, class I2, class O>
341fd87a68SDimitry Andric    struct in_in_out_result;             // since C++20
3581ad6265SDimitry Andric
3681ad6265SDimitry Andric  template <class I, class O1, class O2>
3781ad6265SDimitry Andric    struct in_out_out_result;            // since C++20
3881ad6265SDimitry Andric
3981ad6265SDimitry Andric  template <class I1, class I2>
4081ad6265SDimitry Andric    struct min_max_result;               // since C++20
4181ad6265SDimitry Andric
4281ad6265SDimitry Andric  template <class I>
4381ad6265SDimitry Andric    struct in_found_result;              // since C++20
4481ad6265SDimitry Andric
4581ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
4681ad6265SDimitry Andric    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>                                   // since C++20
4781ad6265SDimitry Andric  constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {});
4881ad6265SDimitry Andric
4981ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
5081ad6265SDimitry Andric    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>                       // since C++20
5181ad6265SDimitry Andric  constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {});
5281ad6265SDimitry Andric
5381ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
5481ad6265SDimitry Andric    indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
5581ad6265SDimitry Andric  constexpr I ranges::max_element(I first, S last, Comp comp = {}, Proj proj = {});                       // since C++20
5681ad6265SDimitry Andric
5781ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
5881ad6265SDimitry Andric    indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
5981ad6265SDimitry Andric  constexpr borrowed_iterator_t<R> ranges::max_element(R&& r, Comp comp = {}, Proj proj = {});            // since C++20
6081ad6265SDimitry Andric
6181ad6265SDimitry Andric  template<class I1, class I2>
6281ad6265SDimitry Andric    using mismatch_result = in_in_result<I1, I2>;
6381ad6265SDimitry Andric
6481ad6265SDimitry Andric  template <input_iterator I1, sentinel_for<_I1> S1, input_iterator I2, sentinel_for<_I2> S2,
6581ad6265SDimitry Andric          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
6681ad6265SDimitry Andric    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
6706c3fb27SDimitry Andric  constexpr mismatch_result<_I1, _I2>                                                                     // since C++20
6806c3fb27SDimitry Andric  mismatch()(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {})
6981ad6265SDimitry Andric
7081ad6265SDimitry Andric  template <input_range R1, input_range R2,
7181ad6265SDimitry Andric          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
7281ad6265SDimitry Andric    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
7381ad6265SDimitry Andric  constexpr mismatch_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
7481ad6265SDimitry Andric  mismatch(R1&& r1, R2&& r2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {})                          // since C++20
7581ad6265SDimitry Andric
7681ad6265SDimitry Andric    requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
7781ad6265SDimitry Andric    constexpr I find(I first, S last, const T& value, Proj proj = {});                                    // since C++20
7881ad6265SDimitry Andric
7981ad6265SDimitry Andric  template<input_range R, class T, class Proj = identity>
8081ad6265SDimitry Andric    requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*>
8181ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
8281ad6265SDimitry Andric      find(R&& r, const T& value, Proj proj = {});                                                        // since C++20
8381ad6265SDimitry Andric
8481ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
8581ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
8681ad6265SDimitry Andric    constexpr I find_if(I first, S last, Pred pred, Proj proj = {});                                      // since C++20
8781ad6265SDimitry Andric
8881ad6265SDimitry Andric  template<input_range R, class Proj = identity,
8981ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
9081ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
9181ad6265SDimitry Andric      find_if(R&& r, Pred pred, Proj proj = {});                                                          // since C++20
9281ad6265SDimitry Andric
9381ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
9481ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
9581ad6265SDimitry Andric    constexpr I find_if_not(I first, S last, Pred pred, Proj proj = {});                                  // since C++20
9681ad6265SDimitry Andric
9781ad6265SDimitry Andric  template<input_range R, class Proj = identity,
9881ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
9981ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
10081ad6265SDimitry Andric      find_if_not(R&& r, Pred pred, Proj proj = {});                                                      // since C++20
10181ad6265SDimitry Andric
10281ad6265SDimitry Andric  template<class T, class Proj = identity,
10381ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
10481ad6265SDimitry Andric    constexpr const T& min(const T& a, const T& b, Comp comp = {}, Proj proj = {});                       // since C++20
10581ad6265SDimitry Andric
10681ad6265SDimitry Andric  template<copyable T, class Proj = identity,
10781ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
10881ad6265SDimitry Andric    constexpr T min(initializer_list<T> r, Comp comp = {}, Proj proj = {});                               // since C++20
10981ad6265SDimitry Andric
11081ad6265SDimitry Andric template<input_range R, class Proj = identity,
11181ad6265SDimitry Andric          indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
11281ad6265SDimitry Andric   requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*>
11381ad6265SDimitry Andric   constexpr range_value_t<R>
11481ad6265SDimitry Andric     min(R&& r, Comp comp = {}, Proj proj = {});                                                          // since C++20
11581ad6265SDimitry Andric
11681ad6265SDimitry Andric  template<class T, class Proj = identity,
11781ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
11881ad6265SDimitry Andric    constexpr const T& max(const T& a, const T& b, Comp comp = {}, Proj proj = {});                       // since C++20
11981ad6265SDimitry Andric
12081ad6265SDimitry Andric  template<copyable T, class Proj = identity,
12181ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
12281ad6265SDimitry Andric    constexpr T max(initializer_list<T> r, Comp comp = {}, Proj proj = {});                               // since C++20
12381ad6265SDimitry Andric
12481ad6265SDimitry Andric  template<input_range R, class Proj = identity,
12581ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
12681ad6265SDimitry Andric    requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*>
12781ad6265SDimitry Andric    constexpr range_value_t<R>
12881ad6265SDimitry Andric      max(R&& r, Comp comp = {}, Proj proj = {});                                                         // since C++20
12981ad6265SDimitry Andric
13081ad6265SDimitry Andric  template<class I, class O>
13181ad6265SDimitry Andric    using unary_transform_result = in_out_result<I, O>;                                                   // since C++20
13281ad6265SDimitry Andric
13381ad6265SDimitry Andric  template<class I1, class I2, class O>
13481ad6265SDimitry Andric    using binary_transform_result = in_in_out_result<I1, I2, O>;                                          // since C++20
13581ad6265SDimitry Andric
13681ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O,
13781ad6265SDimitry Andric           copy_constructible F, class Proj = identity>
13881ad6265SDimitry Andric    requires indirectly_writable<O, indirect_result_t<F&, projected<I, Proj>>>
13981ad6265SDimitry Andric    constexpr ranges::unary_transform_result<I, O>
14081ad6265SDimitry Andric      transform(I first1, S last1, O result, F op, Proj proj = {});                                       // since C++20
14181ad6265SDimitry Andric
14281ad6265SDimitry Andric  template<input_range R, weakly_incrementable O, copy_constructible F,
14381ad6265SDimitry Andric           class Proj = identity>
14481ad6265SDimitry Andric    requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R>, Proj>>>
14581ad6265SDimitry Andric    constexpr ranges::unary_transform_result<borrowed_iterator_t<R>, O>
14681ad6265SDimitry Andric      transform(R&& r, O result, F op, Proj proj = {});                                                   // since C++20
14781ad6265SDimitry Andric
14881ad6265SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
14981ad6265SDimitry Andric           weakly_incrementable O, copy_constructible F, class Proj1 = identity,
15081ad6265SDimitry Andric           class Proj2 = identity>
15181ad6265SDimitry Andric    requires indirectly_writable<O, indirect_result_t<F&, projected<I1, Proj1>,
15281ad6265SDimitry Andric                                           projected<I2, Proj2>>>
15381ad6265SDimitry Andric    constexpr ranges::binary_transform_result<I1, I2, O>
15481ad6265SDimitry Andric      transform(I1 first1, S1 last1, I2 first2, S2 last2, O result,
15581ad6265SDimitry Andric                        F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20
15681ad6265SDimitry Andric
15781ad6265SDimitry Andric  template<input_range R1, input_range R2, weakly_incrementable O,
15881ad6265SDimitry Andric           copy_constructible F, class Proj1 = identity, class Proj2 = identity>
15981ad6265SDimitry Andric    requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R1>, Proj1>,
16081ad6265SDimitry Andric                                           projected<iterator_t<R2>, Proj2>>>
16181ad6265SDimitry Andric    constexpr ranges::binary_transform_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O>
16281ad6265SDimitry Andric      transform(R1&& r1, R2&& r2, O result,
16381ad6265SDimitry Andric                        F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20
16481ad6265SDimitry Andric
16581ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity>
16681ad6265SDimitry Andric    requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
16781ad6265SDimitry Andric    constexpr iter_difference_t<I>
16881ad6265SDimitry Andric      count(I first, S last, const T& value, Proj proj = {});                                             // since C++20
16981ad6265SDimitry Andric
17081ad6265SDimitry Andric  template<input_range R, class T, class Proj = identity>
17181ad6265SDimitry Andric    requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*>
17281ad6265SDimitry Andric    constexpr range_difference_t<R>
17381ad6265SDimitry Andric      count(R&& r, const T& value, Proj proj = {});                                                       // since C++20
17481ad6265SDimitry Andric
17581ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
17681ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
17781ad6265SDimitry Andric    constexpr iter_difference_t<I>
17881ad6265SDimitry Andric      count_if(I first, S last, Pred pred, Proj proj = {});                                               // since C++20
17981ad6265SDimitry Andric
18081ad6265SDimitry Andric  template<input_range R, class Proj = identity,
18181ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
18281ad6265SDimitry Andric    constexpr range_difference_t<R>
18381ad6265SDimitry Andric      count_if(R&& r, Pred pred, Proj proj = {});                                                         // since C++20
18481ad6265SDimitry Andric
18581ad6265SDimitry Andric  template<class T>
18681ad6265SDimitry Andric  using minmax_result = min_max_result<T>;
18781ad6265SDimitry Andric
18881ad6265SDimitry Andric  template<class T, class Proj = identity,
18981ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
19081ad6265SDimitry Andric    constexpr ranges::minmax_result<const T&>
19181ad6265SDimitry Andric      minmax(const T& a, const T& b, Comp comp = {}, Proj proj = {});                                     // since C++20
19281ad6265SDimitry Andric
19381ad6265SDimitry Andric  template<copyable T, class Proj = identity,
19481ad6265SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
19581ad6265SDimitry Andric    constexpr ranges::minmax_result<T>
19681ad6265SDimitry Andric      minmax(initializer_list<T> r, Comp comp = {}, Proj proj = {});                                      // since C++20
19781ad6265SDimitry Andric
19881ad6265SDimitry Andric  template<input_range R, class Proj = identity,
19981ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
20081ad6265SDimitry Andric    requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*>
20181ad6265SDimitry Andric    constexpr ranges::minmax_result<range_value_t<R>>
20281ad6265SDimitry Andric      minmax(R&& r, Comp comp = {}, Proj proj = {});                                                      // since C++20
20381ad6265SDimitry Andric
20481ad6265SDimitry Andric  template<class I>
20581ad6265SDimitry Andric  using minmax_element_result = min_max_result<I>;
20681ad6265SDimitry Andric
20781ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
20881ad6265SDimitry Andric           indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
20981ad6265SDimitry Andric    constexpr ranges::minmax_element_result<I>
21081ad6265SDimitry Andric      minmax_element(I first, S last, Comp comp = {}, Proj proj = {});                                    // since C++20
21181ad6265SDimitry Andric
21281ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
21381ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
21481ad6265SDimitry Andric    constexpr ranges::minmax_element_result<borrowed_iterator_t<R>>
21581ad6265SDimitry Andric      minmax_element(R&& r, Comp comp = {}, Proj proj = {});                                              // since C++20
21681ad6265SDimitry Andric
21781ad6265SDimitry Andric  template<class I, class O>
21881ad6265SDimitry Andric    using copy_result = in_out_result<I, O>;                                                // since C++20
21981ad6265SDimitry Andric
22081ad6265SDimitry Andric  template<class I, class O>
22181ad6265SDimitry Andric    using copy_n_result = in_out_result<I, O>;                                              // since C++20
22281ad6265SDimitry Andric
22381ad6265SDimitry Andric  template<class I, class O>
22481ad6265SDimitry Andric    using copy_if_result = in_out_result<I, O>;                                             // since C++20
22581ad6265SDimitry Andric
22681ad6265SDimitry Andric  template<class I1, class I2>
22781ad6265SDimitry Andric    using copy_backward_result = in_out_result<I1, I2>;                                     // since C++20
22881ad6265SDimitry Andric
22981ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O>
23081ad6265SDimitry Andric    requires indirectly_copyable<I, O>
23181ad6265SDimitry Andric    constexpr ranges::copy_result<I, O> ranges::copy(I first, S last, O result);            // since C++20
23281ad6265SDimitry Andric
23381ad6265SDimitry Andric  template<input_range R, weakly_incrementable O>
23481ad6265SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
23581ad6265SDimitry Andric    constexpr ranges::copy_result<borrowed_iterator_t<R>, O> ranges::copy(R&& r, O result); // since C++20
23681ad6265SDimitry Andric
23781ad6265SDimitry Andric  template<input_iterator I, weakly_incrementable O>
23881ad6265SDimitry Andric    requires indirectly_copyable<I, O>
23981ad6265SDimitry Andric    constexpr ranges::copy_n_result<I, O>
24081ad6265SDimitry Andric      ranges::copy_n(I first, iter_difference_t<I> n, O result);                            // since C++20
24181ad6265SDimitry Andric
24281ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Proj = identity,
24381ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
24481ad6265SDimitry Andric    requires indirectly_copyable<I, O>
24581ad6265SDimitry Andric    constexpr ranges::copy_if_result<I, O>
24681ad6265SDimitry Andric      ranges::copy_if(I first, S last, O result, Pred pred, Proj proj = {});                // since C++20
24781ad6265SDimitry Andric
24881ad6265SDimitry Andric  template<input_range R, weakly_incrementable O, class Proj = identity,
24981ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
25081ad6265SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
25181ad6265SDimitry Andric    constexpr ranges::copy_if_result<borrowed_iterator_t<R>, O>
25281ad6265SDimitry Andric      ranges::copy_if(R&& r, O result, Pred pred, Proj proj = {});                          // since C++20
25381ad6265SDimitry Andric
25481ad6265SDimitry Andric  template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2>
25581ad6265SDimitry Andric    requires indirectly_copyable<I1, I2>
25681ad6265SDimitry Andric    constexpr ranges::copy_backward_result<I1, I2>
25781ad6265SDimitry Andric      ranges::copy_backward(I1 first, S1 last, I2 result);                                  // since C++20
25881ad6265SDimitry Andric
25981ad6265SDimitry Andric  template<bidirectional_range R, bidirectional_iterator I>
26081ad6265SDimitry Andric    requires indirectly_copyable<iterator_t<R>, I>
26181ad6265SDimitry Andric    constexpr ranges::copy_backward_result<borrowed_iterator_t<R>, I>
26281ad6265SDimitry Andric      ranges::copy_backward(R&& r, I result);                                               // since C++20
26381ad6265SDimitry Andric
26481ad6265SDimitry Andric  template<class I, class F>
26581ad6265SDimitry Andric    using for_each_result = in_fun_result<I, F>;                                            // since C++20
26681ad6265SDimitry Andric
26781ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
26881ad6265SDimitry Andric           indirectly_unary_invocable<projected<I, Proj>> Fun>
26981ad6265SDimitry Andric    constexpr ranges::for_each_result<I, Fun>
27081ad6265SDimitry Andric      ranges::for_each(I first, S last, Fun f, Proj proj = {});                             // since C++20
27181ad6265SDimitry Andric
27281ad6265SDimitry Andric  template<input_range R, class Proj = identity,
27381ad6265SDimitry Andric           indirectly_unary_invocable<projected<iterator_t<R>, Proj>> Fun>
27481ad6265SDimitry Andric    constexpr ranges::for_each_result<borrowed_iterator_t<R>, Fun>
27581ad6265SDimitry Andric      ranges::for_each(R&& r, Fun f, Proj proj = {});                                       // since C++20
27681ad6265SDimitry Andric
27781ad6265SDimitry Andric  template<input_iterator I, class Proj = identity,
27881ad6265SDimitry Andric           indirectly_unary_invocable<projected<I, Proj>> Fun>
27981ad6265SDimitry Andric    constexpr ranges::for_each_n_result<I, Fun>
28081ad6265SDimitry Andric      ranges::for_each_n(I first, iter_difference_t<I> n, Fun f, Proj proj = {});           // since C++20
28181ad6265SDimitry Andric
28281ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
28381ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
28481ad6265SDimitry Andric    constexpr bool ranges::is_partitioned(I first, S last, Pred pred, Proj proj = {});      // since C++20
28581ad6265SDimitry Andric
28681ad6265SDimitry Andric  template<input_range R, class Proj = identity,
28781ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
28881ad6265SDimitry Andric    constexpr bool ranges::is_partitioned(R&& r, Pred pred, Proj proj = {});                // since C++20
28981ad6265SDimitry Andric
290753f127fSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
291753f127fSDimitry Andric          class Proj = identity>
292753f127fSDimitry Andric    requires sortable<I, Comp, Proj>
293753f127fSDimitry Andric    constexpr I
294753f127fSDimitry Andric      ranges::push_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20
295753f127fSDimitry Andric
296753f127fSDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
297753f127fSDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
298753f127fSDimitry Andric    constexpr borrowed_iterator_t<R>
299753f127fSDimitry Andric      ranges::push_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20
300753f127fSDimitry Andric
301753f127fSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
302753f127fSDimitry Andric          class Proj = identity>
303753f127fSDimitry Andric    requires sortable<I, Comp, Proj>
304753f127fSDimitry Andric    constexpr I
305753f127fSDimitry Andric      ranges::pop_heap(I first, S last, Comp comp = {}, Proj proj = {});                    // since C++20
306753f127fSDimitry Andric
307753f127fSDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
308753f127fSDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
309753f127fSDimitry Andric    constexpr borrowed_iterator_t<R>
310753f127fSDimitry Andric      ranges::pop_heap(R&& r, Comp comp = {}, Proj proj = {});                              // since C++20
311753f127fSDimitry Andric
312753f127fSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
313753f127fSDimitry Andric          class Proj = identity>
314753f127fSDimitry Andric    requires sortable<I, Comp, Proj>
315753f127fSDimitry Andric    constexpr I
316753f127fSDimitry Andric      ranges::make_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20
317753f127fSDimitry Andric
318753f127fSDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
319753f127fSDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
320753f127fSDimitry Andric    constexpr borrowed_iterator_t<R>
321753f127fSDimitry Andric      ranges::make_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20
322753f127fSDimitry Andric
323753f127fSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
324753f127fSDimitry Andric          class Proj = identity>
325753f127fSDimitry Andric    requires sortable<I, Comp, Proj>
326753f127fSDimitry Andric    constexpr I
327753f127fSDimitry Andric      ranges::sort_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20
328753f127fSDimitry Andric
329753f127fSDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
330753f127fSDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
331753f127fSDimitry Andric    constexpr borrowed_iterator_t<R>
332753f127fSDimitry Andric      ranges::sort_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20
333753f127fSDimitry Andric
334972a253aSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Proj = identity,
335972a253aSDimitry Andric            indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
33606c3fb27SDimitry Andric    constexpr bool is_heap(I first, S last, Comp comp = {}, Proj proj = {});                // since C++20
337972a253aSDimitry Andric
338972a253aSDimitry Andric  template<random_access_range R, class Proj = identity,
339972a253aSDimitry Andric            indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
34006c3fb27SDimitry Andric    constexpr bool is_heap(R&& r, Comp comp = {}, Proj proj = {});                          // since C++20
341972a253aSDimitry Andric
342972a253aSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Proj = identity,
343972a253aSDimitry Andric           indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
34406c3fb27SDimitry Andric    constexpr I is_heap_until(I first, S last, Comp comp = {}, Proj proj = {});             // since C++20
345972a253aSDimitry Andric
346972a253aSDimitry Andric  template<random_access_range R, class Proj = identity,
347972a253aSDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
348972a253aSDimitry Andric    constexpr borrowed_iterator_t<R>
34906c3fb27SDimitry Andric      is_heap_until(R&& r, Comp comp = {}, Proj proj = {});                                 // since C++20
350972a253aSDimitry Andric
35181ad6265SDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S>
35281ad6265SDimitry Andric    requires permutable<I>
35381ad6265SDimitry Andric    constexpr I ranges::reverse(I first, S last);                                           // since C++20
35481ad6265SDimitry Andric
35581ad6265SDimitry Andric  template<bidirectional_range R>
35681ad6265SDimitry Andric    requires permutable<iterator_t<R>>
35781ad6265SDimitry Andric    constexpr borrowed_iterator_t<R> ranges::reverse(R&& r);                                // since C++20
35881ad6265SDimitry Andric
35981ad6265SDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
36081ad6265SDimitry Andric            class Proj = identity>
36181ad6265SDimitry Andric    requires sortable<I, Comp, Proj>
36281ad6265SDimitry Andric    constexpr I
36381ad6265SDimitry Andric      ranges::sort(I first, S last, Comp comp = {}, Proj proj = {});                        // since C++20
36481ad6265SDimitry Andric
36581ad6265SDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
36681ad6265SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
36781ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
36881ad6265SDimitry Andric      ranges::sort(R&& r, Comp comp = {}, Proj proj = {});                                  // since C++20
36981ad6265SDimitry Andric
37081ad6265SDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
37181ad6265SDimitry Andric          class Proj = identity>
37281ad6265SDimitry Andric    requires sortable<I, Comp, Proj>
37381ad6265SDimitry Andric    I ranges::stable_sort(I first, S last, Comp comp = {}, Proj proj = {});                 // since C++20
37481ad6265SDimitry Andric
37581ad6265SDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
37681ad6265SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
37781ad6265SDimitry Andric    borrowed_iterator_t<R>
37881ad6265SDimitry Andric      ranges::stable_sort(R&& r, Comp comp = {}, Proj proj = {});                           // since C++20
37981ad6265SDimitry Andric
380fcaf7f86SDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
381fcaf7f86SDimitry Andric           class Proj = identity>
382fcaf7f86SDimitry Andric    requires sortable<I, Comp, Proj>
383fcaf7f86SDimitry Andric    constexpr I
384fcaf7f86SDimitry Andric      ranges::partial_sort(I first, I middle, S last, Comp comp = {}, Proj proj = {});      // since C++20
385fcaf7f86SDimitry Andric
386fcaf7f86SDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
387fcaf7f86SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
388fcaf7f86SDimitry Andric    constexpr borrowed_iterator_t<R>
389fcaf7f86SDimitry Andric      ranges::partial_sort(R&& r, iterator_t<R> middle, Comp comp = {}, Proj proj = {});    // since C++20
390fcaf7f86SDimitry Andric
39181ad6265SDimitry Andric  template<class T, output_iterator<const T&> O, sentinel_for<O> S>
39281ad6265SDimitry Andric    constexpr O ranges::fill(O first, S last, const T& value);                              // since C++20
39381ad6265SDimitry Andric
39481ad6265SDimitry Andric  template<class T, output_range<const T&> R>
39581ad6265SDimitry Andric    constexpr borrowed_iterator_t<R> ranges::fill(R&& r, const T& value);                   // since C++20
39681ad6265SDimitry Andric
39781ad6265SDimitry Andric  template<class T, output_iterator<const T&> O>
39881ad6265SDimitry Andric    constexpr O ranges::fill_n(O first, iter_difference_t<O> n, const T& value);            // since C++20
39981ad6265SDimitry Andric
400972a253aSDimitry Andric  template<input_or_output_iterator O, sentinel_for<O> S, copy_constructible F>
401972a253aSDimitry Andric    requires invocable<F&> && indirectly_writable<O, invoke_result_t<F&>>
40206c3fb27SDimitry Andric    constexpr O generate(O first, S last, F gen);                                           // since C++20
40306c3fb27SDimitry Andric
40406c3fb27SDimitry Andric  template<class ExecutionPolicy, class ForwardIterator, class Generator>
40506c3fb27SDimitry Andric    void generate(ExecutionPolicy&& exec,
40606c3fb27SDimitry Andric                  ForwardIterator first, ForwardIterator last,
40706c3fb27SDimitry Andric                  Generator gen);                                                           // since C++17
408972a253aSDimitry Andric
409972a253aSDimitry Andric  template<class R, copy_constructible F>
410972a253aSDimitry Andric    requires invocable<F&> && output_range<R, invoke_result_t<F&>>
41106c3fb27SDimitry Andric    constexpr borrowed_iterator_t<R> generate(R&& r, F gen);                                // since C++20
412972a253aSDimitry Andric
413972a253aSDimitry Andric  template<input_or_output_iterator O, copy_constructible F>
414972a253aSDimitry Andric    requires invocable<F&> && indirectly_writable<O, invoke_result_t<F&>>
41506c3fb27SDimitry Andric    constexpr O generate_n(O first, iter_difference_t<O> n, F gen);                         // since C++20
41606c3fb27SDimitry Andric
41706c3fb27SDimitry Andric  template<class ExecutionPolicy, class ForwardIterator, class Size, class Generator>
41806c3fb27SDimitry Andric    ForwardIterator generate_n(ExecutionPolicy&& exec,
41906c3fb27SDimitry Andric                               ForwardIterator first, Size n, Generator gen);               // since C++17
420972a253aSDimitry Andric
42181ad6265SDimitry Andric template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
42281ad6265SDimitry Andric          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
42381ad6265SDimitry Andric   requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
42481ad6265SDimitry Andric   constexpr bool ranges::equal(I1 first1, S1 last1, I2 first2, S2 last2,
42581ad6265SDimitry Andric                                Pred pred = {},
42681ad6265SDimitry Andric                                Proj1 proj1 = {}, Proj2 proj2 = {});                        // since C++20
42781ad6265SDimitry Andric
42881ad6265SDimitry Andric template<input_range R1, input_range R2, class Pred = ranges::equal_to,
42981ad6265SDimitry Andric          class Proj1 = identity, class Proj2 = identity>
43081ad6265SDimitry Andric   requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
43181ad6265SDimitry Andric   constexpr bool ranges::equal(R1&& r1, R2&& r2, Pred pred = {},
43281ad6265SDimitry Andric                                Proj1 proj1 = {}, Proj2 proj2 = {});                        // since C++20
43381ad6265SDimitry Andric
43481ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
43581ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
43681ad6265SDimitry Andric    constexpr bool ranges::all_of(I first, S last, Pred pred, Proj proj = {});              // since C++20
43781ad6265SDimitry Andric
43881ad6265SDimitry Andric  template<input_range R, class Proj = identity,
43981ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
44081ad6265SDimitry Andric    constexpr bool ranges::all_of(R&& r, Pred pred, Proj proj = {});                        // since C++20
44181ad6265SDimitry Andric
44281ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
44381ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
44481ad6265SDimitry Andric    constexpr bool ranges::any_of(I first, S last, Pred pred, Proj proj = {});              // since C++20
44581ad6265SDimitry Andric
44681ad6265SDimitry Andric  template<input_range R, class Proj = identity,
44781ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
44881ad6265SDimitry Andric    constexpr bool ranges::any_of(R&& r, Pred pred, Proj proj = {});                        // since C++20
44981ad6265SDimitry Andric
450*5f757f3fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
451*5f757f3fSDimitry Andric          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
452*5f757f3fSDimitry Andric    requires (forward_iterator<I1> || sized_sentinel_for<S1, I1>) &&
453*5f757f3fSDimitry Andric           (forward_iterator<I2> || sized_sentinel_for<S2, I2>) &&
454*5f757f3fSDimitry Andric           indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
455*5f757f3fSDimitry Andric    constexpr bool ranges::ends_with(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {},
456*5f757f3fSDimitry Andric                                   Proj1 proj1 = {}, Proj2 proj2 = {});                     // since C++23
457*5f757f3fSDimitry Andric
458*5f757f3fSDimitry Andric  template<input_range R1, input_range R2, class Pred = ranges::equal_to, class Proj1 = identity,
459*5f757f3fSDimitry Andric          class Proj2 = identity>
460*5f757f3fSDimitry Andric    requires (forward_range<R1> || sized_range<R1>) &&
461*5f757f3fSDimitry Andric           (forward_range<R2> || sized_range<R2>) &&
462*5f757f3fSDimitry Andric           indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
463*5f757f3fSDimitry Andric    constexpr bool ranges::ends_with(R1&& r1, R2&& r2, Pred pred = {},
464*5f757f3fSDimitry Andric                                   Proj1 proj1 = {}, Proj2 proj2 = {});                     // since C++23
465*5f757f3fSDimitry Andric
46681ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class Proj = identity,
46781ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
46881ad6265SDimitry Andric    constexpr bool ranges::none_of(I first, S last, Pred pred, Proj proj = {});             // since C++20
46981ad6265SDimitry Andric
47081ad6265SDimitry Andric  template<input_range R, class Proj = identity,
47181ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
47281ad6265SDimitry Andric    constexpr bool ranges::none_of(R&& r, Pred pred, Proj proj = {});                       // since C++20
47381ad6265SDimitry Andric
47406c3fb27SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
47506c3fb27SDimitry Andric          class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
47606c3fb27SDimitry Andric    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
47706c3fb27SDimitry Andric    constexpr bool ranges::starts_with(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {},
47806c3fb27SDimitry Andric                                      Proj1 proj1 = {}, Proj2 proj2 = {});                 // since C++23
47906c3fb27SDimitry Andric
48006c3fb27SDimitry Andric  template<input_range R1, input_range R2, class Pred = ranges::equal_to, class Proj1 = identity,
48106c3fb27SDimitry Andric          class Proj2 = identity>
48206c3fb27SDimitry Andric    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
48306c3fb27SDimitry Andric    constexpr bool ranges::starts_with(R1&& r1, R2&& r2, Pred pred = {},
48406c3fb27SDimitry Andric                                      Proj1 proj1 = {}, Proj2 proj2 = {});                // since C++23
48506c3fb27SDimitry Andric
48661cfbce3SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1,
48761cfbce3SDimitry Andric          random_access_iterator I2, sentinel_for<I2> S2,
48861cfbce3SDimitry Andric          class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity>
48961cfbce3SDimitry Andric    requires indirectly_copyable<I1, I2> && sortable<I2, Comp, Proj2> &&
49061cfbce3SDimitry Andric            indirect_strict_weak_order<Comp, projected<I1, Proj1>, projected<I2, Proj2>>
49161cfbce3SDimitry Andric    constexpr partial_sort_copy_result<I1, I2>
49261cfbce3SDimitry Andric      partial_sort_copy(I1 first, S1 last, I2 result_first, S2 result_last,
49306c3fb27SDimitry Andric                        Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                // since C++20
49461cfbce3SDimitry Andric
49561cfbce3SDimitry Andric  template<input_range R1, random_access_range R2, class Comp = ranges::less,
49661cfbce3SDimitry Andric          class Proj1 = identity, class Proj2 = identity>
49761cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R1>, iterator_t<R2>> &&
49861cfbce3SDimitry Andric            sortable<iterator_t<R2>, Comp, Proj2> &&
49961cfbce3SDimitry Andric            indirect_strict_weak_order<Comp, projected<iterator_t<R1>, Proj1>,
50061cfbce3SDimitry Andric                                        projected<iterator_t<R2>, Proj2>>
50161cfbce3SDimitry Andric    constexpr partial_sort_copy_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
50261cfbce3SDimitry Andric      partial_sort_copy(R1&& r, R2&& result_r, Comp comp = {},
50306c3fb27SDimitry Andric                        Proj1 proj1 = {}, Proj2 proj2 = {});                                // since C++20
50461cfbce3SDimitry Andric
50581ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
50681ad6265SDimitry Andric           indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
50781ad6265SDimitry Andric    constexpr bool ranges::is_sorted(I first, S last, Comp comp = {}, Proj proj = {});      // since C++20
50881ad6265SDimitry Andric
50981ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
51081ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
51181ad6265SDimitry Andric    constexpr bool ranges::is_sorted(R&& r, Comp comp = {}, Proj proj = {});                // since C++20
51281ad6265SDimitry Andric
51381ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
51481ad6265SDimitry Andric           indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>
51581ad6265SDimitry Andric    constexpr I ranges::is_sorted_until(I first, S last, Comp comp = {}, Proj proj = {});   // since C++20
51681ad6265SDimitry Andric
51781ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
51881ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>
51981ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
52081ad6265SDimitry Andric      ranges::is_sorted_until(R&& r, Comp comp = {}, Proj proj = {});                       // since C++20
52181ad6265SDimitry Andric
522753f127fSDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less,
523753f127fSDimitry Andric          class Proj = identity>
524753f127fSDimitry Andric    requires sortable<I, Comp, Proj>
525753f127fSDimitry Andric    constexpr I
526753f127fSDimitry Andric      ranges::nth_element(I first, I nth, S last, Comp comp = {}, Proj proj = {});          // since C++20
527753f127fSDimitry Andric
528753f127fSDimitry Andric  template<random_access_range R, class Comp = ranges::less, class Proj = identity>
529753f127fSDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
530753f127fSDimitry Andric    constexpr borrowed_iterator_t<R>
531753f127fSDimitry Andric      ranges::nth_element(R&& r, iterator_t<R> nth, Comp comp = {}, Proj proj = {});        // since C++20
532753f127fSDimitry Andric
53381ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity,
53406c3fb27SDimitry Andric           indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less>    // since C++20
53506c3fb27SDimitry Andric    constexpr I upper_bound(I first, S last, const T& value, Comp comp = {}, Proj proj = {});
53681ad6265SDimitry Andric
53781ad6265SDimitry Andric  template<forward_range R, class T, class Proj = identity,
53881ad6265SDimitry Andric           indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp =
53981ad6265SDimitry Andric             ranges::less>
54081ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
54181ad6265SDimitry Andric      upper_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {});                   // since C++20
54281ad6265SDimitry Andric
54381ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity,
54481ad6265SDimitry Andric           indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less>
54581ad6265SDimitry Andric    constexpr I lower_bound(I first, S last, const T& value, Comp comp = {},
54681ad6265SDimitry Andric                                    Proj proj = {});                                        // since C++20
54781ad6265SDimitry Andric  template<forward_range R, class T, class Proj = identity,
54881ad6265SDimitry Andric           indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp =
54981ad6265SDimitry Andric             ranges::less>
55081ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
55181ad6265SDimitry Andric      lower_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {});                   // since C++20
55281ad6265SDimitry Andric
55381ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity,
55481ad6265SDimitry Andric           indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less>
55581ad6265SDimitry Andric    constexpr bool binary_search(I first, S last, const T& value, Comp comp = {},
55681ad6265SDimitry Andric                                         Proj proj = {});                                   // since C++20
55781ad6265SDimitry Andric
55881ad6265SDimitry Andric  template<forward_range R, class T, class Proj = identity,
55981ad6265SDimitry Andric           indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp =
56081ad6265SDimitry Andric             ranges::less>
56181ad6265SDimitry Andric    constexpr bool binary_search(R&& r, const T& value, Comp comp = {},
56281ad6265SDimitry Andric                                         Proj proj = {});                                   // since C++20
563fcaf7f86SDimitry Andric
564fcaf7f86SDimitry Andric  template<permutable I, sentinel_for<I> S, class Proj = identity,
565fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
566fcaf7f86SDimitry Andric    constexpr subrange<I>
56706c3fb27SDimitry Andric      partition(I first, S last, Pred pred, Proj proj = {});                                // since C++20
568fcaf7f86SDimitry Andric
569fcaf7f86SDimitry Andric  template<forward_range R, class Proj = identity,
570fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
571fcaf7f86SDimitry Andric    requires permutable<iterator_t<R>>
572fcaf7f86SDimitry Andric    constexpr borrowed_subrange_t<R>
57306c3fb27SDimitry Andric      partition(R&& r, Pred pred, Proj proj = {});                                          // since C++20
574fcaf7f86SDimitry Andric
575fcaf7f86SDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S, class Proj = identity,
576fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
577fcaf7f86SDimitry Andric    requires permutable<I>
57806c3fb27SDimitry Andric    subrange<I> stable_partition(I first, S last, Pred pred, Proj proj = {});               // since C++20
579fcaf7f86SDimitry Andric
580fcaf7f86SDimitry Andric  template<bidirectional_range R, class Proj = identity,
581fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
582fcaf7f86SDimitry Andric    requires permutable<iterator_t<R>>
58306c3fb27SDimitry Andric    borrowed_subrange_t<R> stable_partition(R&& r, Pred pred, Proj proj = {});              // since C++20
584fcaf7f86SDimitry Andric
58581ad6265SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2,
58681ad6265SDimitry Andric           class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
58781ad6265SDimitry Andric    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
58881ad6265SDimitry Andric    constexpr I1 ranges::find_first_of(I1 first1, S1 last1, I2 first2, S2 last2,
58981ad6265SDimitry Andric                                       Pred pred = {},
59081ad6265SDimitry Andric                                       Proj1 proj1 = {}, Proj2 proj2 = {});                 // since C++20
59181ad6265SDimitry Andric
59281ad6265SDimitry Andric  template<input_range R1, forward_range R2,
59381ad6265SDimitry Andric           class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
59481ad6265SDimitry Andric    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
59581ad6265SDimitry Andric    constexpr borrowed_iterator_t<R1>
59681ad6265SDimitry Andric      ranges::find_first_of(R1&& r1, R2&& r2,
59781ad6265SDimitry Andric                            Pred pred = {},
59881ad6265SDimitry Andric                            Proj1 proj1 = {}, Proj2 proj2 = {});                            // since C++20
59981ad6265SDimitry Andric
60081ad6265SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
60181ad6265SDimitry Andric           indirect_binary_predicate<projected<I, Proj>,
60281ad6265SDimitry Andric                                     projected<I, Proj>> Pred = ranges::equal_to>
60306c3fb27SDimitry Andric    constexpr I ranges::adjacent_find(I first, S last, Pred pred = {}, Proj proj = {});     // since C++20
60481ad6265SDimitry Andric
60581ad6265SDimitry Andric  template<forward_range R, class Proj = identity,
60681ad6265SDimitry Andric           indirect_binary_predicate<projected<iterator_t<R>, Proj>,
60781ad6265SDimitry Andric                                     projected<iterator_t<R>, Proj>> Pred = ranges::equal_to>
60881ad6265SDimitry Andric    constexpr borrowed_iterator_t<R> ranges::adjacent_find(R&& r, Pred pred = {}, Proj proj = {});  // since C++20
60981ad6265SDimitry Andric
61081ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class T1, class T2, class Proj = identity>
61181ad6265SDimitry Andric    requires indirectly_writable<I, const T2&> &&
61281ad6265SDimitry Andric             indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T1*>
61381ad6265SDimitry Andric    constexpr I
61481ad6265SDimitry Andric      ranges::replace(I first, S last, const T1& old_value, const T2& new_value, Proj proj = {});   // since C++20
61581ad6265SDimitry Andric
61681ad6265SDimitry Andric  template<input_range R, class T1, class T2, class Proj = identity>
61781ad6265SDimitry Andric    requires indirectly_writable<iterator_t<R>, const T2&> &&
61881ad6265SDimitry Andric             indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T1*>
61981ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
62081ad6265SDimitry Andric      ranges::replace(R&& r, const T1& old_value, const T2& new_value, Proj proj = {});             // since C++20
62181ad6265SDimitry Andric
62281ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity,
62381ad6265SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
62481ad6265SDimitry Andric    requires indirectly_writable<I, const T&>
62581ad6265SDimitry Andric    constexpr I ranges::replace_if(I first, S last, Pred pred, const T& new_value, Proj proj = {}); // since C++20
62681ad6265SDimitry Andric
62781ad6265SDimitry Andric  template<input_range R, class T, class Proj = identity,
62881ad6265SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
62981ad6265SDimitry Andric    requires indirectly_writable<iterator_t<R>, const T&>
63081ad6265SDimitry Andric    constexpr borrowed_iterator_t<R>
63181ad6265SDimitry Andric      ranges::replace_if(R&& r, Pred pred, const T& new_value, Proj proj = {});                     // since C++20
63281ad6265SDimitry Andric
63361cfbce3SDimitry Andric  template<class T, class Proj = identity,
63461cfbce3SDimitry Andric           indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less>
63561cfbce3SDimitry Andric    constexpr const T&
63661cfbce3SDimitry Andric      ranges::clamp(const T& v, const T& lo, const T& hi, Comp comp = {}, Proj proj = {});          // since C++20
63761cfbce3SDimitry Andric
63881ad6265SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
63981ad6265SDimitry Andric           class Proj1 = identity, class Proj2 = identity,
64081ad6265SDimitry Andric           indirect_strict_weak_order<projected<I1, Proj1>,
64181ad6265SDimitry Andric                                      projected<I2, Proj2>> Comp = ranges::less>
64281ad6265SDimitry Andric    constexpr bool
64381ad6265SDimitry Andric      ranges::lexicographical_compare(I1 first1, S1 last1, I2 first2, S2 last2,
64481ad6265SDimitry Andric                                      Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});          // since C++20
64581ad6265SDimitry Andric
64681ad6265SDimitry Andric  template<input_range R1, input_range R2, class Proj1 = identity,
64781ad6265SDimitry Andric           class Proj2 = identity,
64881ad6265SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>,
64981ad6265SDimitry Andric                                      projected<iterator_t<R2>, Proj2>> Comp = ranges::less>
65081ad6265SDimitry Andric    constexpr bool
65181ad6265SDimitry Andric      ranges::lexicographical_compare(R1&& r1, R2&& r2, Comp comp = {},
65281ad6265SDimitry Andric                                      Proj1 proj1 = {}, Proj2 proj2 = {});                          // since C++20
65381ad6265SDimitry Andric
65481ad6265SDimitry Andric  template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2>
65581ad6265SDimitry Andric    requires indirectly_movable<I1, I2>
65681ad6265SDimitry Andric    constexpr ranges::move_backward_result<I1, I2>
65781ad6265SDimitry Andric      ranges::move_backward(I1 first, S1 last, I2 result);                                          // since C++20
65881ad6265SDimitry Andric
65981ad6265SDimitry Andric  template<bidirectional_range R, bidirectional_iterator I>
66081ad6265SDimitry Andric    requires indirectly_movable<iterator_t<R>, I>
66181ad6265SDimitry Andric    constexpr ranges::move_backward_result<borrowed_iterator_t<R>, I>
66281ad6265SDimitry Andric      ranges::move_backward(R&& r, I result);                                                       // since C++20
66381ad6265SDimitry Andric
66481ad6265SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O>
66581ad6265SDimitry Andric    requires indirectly_movable<I, O>
66681ad6265SDimitry Andric    constexpr ranges::move_result<I, O>
66781ad6265SDimitry Andric      ranges::move(I first, S last, O result);                                                      // since C++20
66881ad6265SDimitry Andric
66981ad6265SDimitry Andric  template<input_range R, weakly_incrementable O>
67081ad6265SDimitry Andric    requires indirectly_movable<iterator_t<R>, O>
67181ad6265SDimitry Andric    constexpr ranges::move_result<borrowed_iterator_t<R>, O>
67281ad6265SDimitry Andric      ranges::move(R&& r, O result);                                                                // since C++20
67381ad6265SDimitry Andric
674fcaf7f86SDimitry Andric  template<class I, class O1, class O2>
675fcaf7f86SDimitry Andric      using partition_copy_result = in_out_out_result<I, O1, O2>;                                   // since C++20
676fcaf7f86SDimitry Andric
677fcaf7f86SDimitry Andric  template<input_iterator I, sentinel_for<I> S,
678fcaf7f86SDimitry Andric          weakly_incrementable O1, weakly_incrementable O2,
679fcaf7f86SDimitry Andric          class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred>
680fcaf7f86SDimitry Andric    requires indirectly_copyable<I, O1> && indirectly_copyable<I, O2>
681fcaf7f86SDimitry Andric    constexpr partition_copy_result<I, O1, O2>
682fcaf7f86SDimitry Andric      partition_copy(I first, S last, O1 out_true, O2 out_false, Pred pred,
68306c3fb27SDimitry Andric                    Proj proj = {});                                                                // since C++20
684fcaf7f86SDimitry Andric
685fcaf7f86SDimitry Andric  template<input_range R, weakly_incrementable O1, weakly_incrementable O2,
686fcaf7f86SDimitry Andric          class Proj = identity,
687fcaf7f86SDimitry Andric          indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
688fcaf7f86SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O1> &&
689fcaf7f86SDimitry Andric            indirectly_copyable<iterator_t<R>, O2>
690fcaf7f86SDimitry Andric    constexpr partition_copy_result<borrowed_iterator_t<R>, O1, O2>
69106c3fb27SDimitry Andric      partition_copy(R&& r, O1 out_true, O2 out_false, Pred pred, Proj proj = {});                  // since C++20
692fcaf7f86SDimitry Andric
693fcaf7f86SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class Proj = identity,
694fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
69506c3fb27SDimitry Andric    constexpr I partition_point(I first, S last, Pred pred, Proj proj = {});                        // since C++20
696fcaf7f86SDimitry Andric
697fcaf7f86SDimitry Andric  template<forward_range R, class Proj = identity,
698fcaf7f86SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
699fcaf7f86SDimitry Andric    constexpr borrowed_iterator_t<R>
70006c3fb27SDimitry Andric      partition_point(R&& r, Pred pred, Proj proj = {});                                            // since C++20
701fcaf7f86SDimitry Andric
702753f127fSDimitry Andric  template<class I1, class I2, class O>
703753f127fSDimitry Andric    using merge_result = in_in_out_result<I1, I2, O>;                                               // since C++20
704753f127fSDimitry Andric
705753f127fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
706753f127fSDimitry Andric           weakly_incrementable O, class Comp = ranges::less, class Proj1 = identity,
707753f127fSDimitry Andric           class Proj2 = identity>
708753f127fSDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
709753f127fSDimitry Andric    constexpr merge_result<I1, I2, O>
710753f127fSDimitry Andric      merge(I1 first1, S1 last1, I2 first2, S2 last2, O result,
711753f127fSDimitry Andric            Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                                    // since C++20
712753f127fSDimitry Andric
713753f127fSDimitry Andric  template<input_range R1, input_range R2, weakly_incrementable O, class Comp = ranges::less,
714753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
715753f127fSDimitry Andric    requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2>
716753f127fSDimitry Andric    constexpr merge_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O>
717753f127fSDimitry Andric      merge(R1&& r1, R2&& r2, O result,
718753f127fSDimitry Andric            Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                                    // since C++20
719753f127fSDimitry Andric
720753f127fSDimitry Andric  template<permutable I, sentinel_for<I> S, class T, class Proj = identity>
721753f127fSDimitry Andric    requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
722753f127fSDimitry Andric    constexpr subrange<I> ranges::remove(I first, S last, const T& value, Proj proj = {});          // since C++20
723753f127fSDimitry Andric
724753f127fSDimitry Andric  template<forward_range R, class T, class Proj = identity>
725753f127fSDimitry Andric    requires permutable<iterator_t<R>> &&
726753f127fSDimitry Andric             indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*>
727753f127fSDimitry Andric    constexpr borrowed_subrange_t<R>
728753f127fSDimitry Andric      ranges::remove(R&& r, const T& value, Proj proj = {});                                        // since C++20
729753f127fSDimitry Andric
730753f127fSDimitry Andric  template<permutable I, sentinel_for<I> S, class Proj = identity,
731753f127fSDimitry Andric           indirect_unary_predicate<projected<I, Proj>> Pred>
732753f127fSDimitry Andric    constexpr subrange<I> ranges::remove_if(I first, S last, Pred pred, Proj proj = {});            // since C++20
733753f127fSDimitry Andric
734753f127fSDimitry Andric  template<forward_range R, class Proj = identity,
735753f127fSDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
736753f127fSDimitry Andric    requires permutable<iterator_t<R>>
737753f127fSDimitry Andric    constexpr borrowed_subrange_t<R>
738753f127fSDimitry Andric      ranges::remove_if(R&& r, Pred pred, Proj proj = {});                                          // since C++20
739753f127fSDimitry Andric
740753f127fSDimitry Andric  template<class I, class O>
741753f127fSDimitry Andric    using set_difference_result = in_out_result<I, O>;                                              // since C++20
742753f127fSDimitry Andric
743753f127fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
744753f127fSDimitry Andric           weakly_incrementable O, class Comp = ranges::less,
745753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
746753f127fSDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
747753f127fSDimitry Andric    constexpr set_difference_result<I1, O>
748753f127fSDimitry Andric      set_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result,
749753f127fSDimitry Andric                     Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                           // since C++20
750753f127fSDimitry Andric
751753f127fSDimitry Andric  template<input_range R1, input_range R2, weakly_incrementable O,
752753f127fSDimitry Andric           class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity>
753753f127fSDimitry Andric    requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2>
754753f127fSDimitry Andric    constexpr set_difference_result<borrowed_iterator_t<R1>, O>
755753f127fSDimitry Andric      set_difference(R1&& r1, R2&& r2, O result,
756753f127fSDimitry Andric                     Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                           // since C++20
757753f127fSDimitry Andric
758753f127fSDimitry Andric  template<class I1, class I2, class O>
759753f127fSDimitry Andric    using set_intersection_result = in_in_out_result<I1, I2, O>;                                    // since C++20
760753f127fSDimitry Andric
761753f127fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
762753f127fSDimitry Andric           weakly_incrementable O, class Comp = ranges::less,
763753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
764753f127fSDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
765753f127fSDimitry Andric    constexpr set_intersection_result<I1, I2, O>
766753f127fSDimitry Andric      set_intersection(I1 first1, S1 last1, I2 first2, S2 last2, O result,
767753f127fSDimitry Andric                       Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                         // since C++20
768753f127fSDimitry Andric
769753f127fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
770753f127fSDimitry Andric           weakly_incrementable O, class Comp = ranges::less,
771753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
772753f127fSDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
773753f127fSDimitry Andric    constexpr set_intersection_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O>
774753f127fSDimitry Andric      set_intersection(R1&& r1, R2&& r2, O result,
775753f127fSDimitry Andric                       Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                         // since C++20
776753f127fSDimitry Andric
777753f127fSDimitry Andric  template <class _InIter, class _OutIter>
778753f127fSDimitry Andric  using reverse_copy_result = in_out_result<_InIter, _OutIter>;                                     // since C++20
779753f127fSDimitry Andric
780753f127fSDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S, weakly_incrementable O>
781753f127fSDimitry Andric    requires indirectly_copyable<I, O>
782753f127fSDimitry Andric    constexpr ranges::reverse_copy_result<I, O>
783753f127fSDimitry Andric      ranges::reverse_copy(I first, S last, O result);                                              // since C++20
784753f127fSDimitry Andric
785753f127fSDimitry Andric  template<bidirectional_range R, weakly_incrementable O>
786753f127fSDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
787753f127fSDimitry Andric    constexpr ranges::reverse_copy_result<borrowed_iterator_t<R>, O>
788753f127fSDimitry Andric      ranges::reverse_copy(R&& r, O result);                                                        // since C++20
789753f127fSDimitry Andric
79061cfbce3SDimitry Andric  template<permutable I, sentinel_for<I> S>
79161cfbce3SDimitry Andric    constexpr subrange<I> rotate(I first, I middle, S last);                                        // since C++20
79261cfbce3SDimitry Andric
79361cfbce3SDimitry Andric  template<forward_range R>
79461cfbce3SDimitry Andric    requires permutable<iterator_t<R>>
79506c3fb27SDimitry Andric    constexpr borrowed_subrange_t<R> rotate(R&& r, iterator_t<R> middle);                           // since C++20
79661cfbce3SDimitry Andric
797753f127fSDimitry Andric  template <class _InIter, class _OutIter>
798753f127fSDimitry Andric  using rotate_copy_result = in_out_result<_InIter, _OutIter>;                                      // since C++20
799753f127fSDimitry Andric
800753f127fSDimitry Andric  template<forward_iterator I, sentinel_for<I> S, weakly_incrementable O>
801753f127fSDimitry Andric    requires indirectly_copyable<I, O>
802753f127fSDimitry Andric    constexpr ranges::rotate_copy_result<I, O>
803753f127fSDimitry Andric      ranges::rotate_copy(I first, I middle, S last, O result);                                     // since C++20
804753f127fSDimitry Andric
805753f127fSDimitry Andric  template<forward_range R, weakly_incrementable O>
806753f127fSDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
807753f127fSDimitry Andric    constexpr ranges::rotate_copy_result<borrowed_iterator_t<R>, O>
808753f127fSDimitry Andric      ranges::rotate_copy(R&& r, iterator_t<R> middle, O result);                                   // since C++20
809753f127fSDimitry Andric
81061cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Gen>
81161cfbce3SDimitry Andric    requires (forward_iterator<I> || random_access_iterator<O>) &&
81261cfbce3SDimitry Andric            indirectly_copyable<I, O> &&
81361cfbce3SDimitry Andric            uniform_random_bit_generator<remove_reference_t<Gen>>
81406c3fb27SDimitry Andric    O sample(I first, S last, O out, iter_difference_t<I> n, Gen&& g);                              // since C++20
81561cfbce3SDimitry Andric
81661cfbce3SDimitry Andric  template<input_range R, weakly_incrementable O, class Gen>
81761cfbce3SDimitry Andric    requires (forward_range<R> || random_access_iterator<O>) &&
81861cfbce3SDimitry Andric            indirectly_copyable<iterator_t<R>, O> &&
81961cfbce3SDimitry Andric            uniform_random_bit_generator<remove_reference_t<Gen>>
82006c3fb27SDimitry Andric    O sample(R&& r, O out, range_difference_t<R> n, Gen&& g);                                       // since C++20
82161cfbce3SDimitry Andric
822fcaf7f86SDimitry Andric  template<random_access_iterator I, sentinel_for<I> S, class Gen>
823fcaf7f86SDimitry Andric    requires permutable<I> &&
824fcaf7f86SDimitry Andric            uniform_random_bit_generator<remove_reference_t<Gen>>
82506c3fb27SDimitry Andric    I shuffle(I first, S last, Gen&& g);                                                            // since C++20
826fcaf7f86SDimitry Andric
827fcaf7f86SDimitry Andric  template<random_access_range R, class Gen>
828fcaf7f86SDimitry Andric    requires permutable<iterator_t<R>> &&
829fcaf7f86SDimitry Andric            uniform_random_bit_generator<remove_reference_t<Gen>>
83006c3fb27SDimitry Andric    borrowed_iterator_t<R> shuffle(R&& r, Gen&& g);                                                 // since C++20
831fcaf7f86SDimitry Andric
832753f127fSDimitry Andric  template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2,
83361cfbce3SDimitry Andric         sentinel_for<I2> S2, class Proj1 = identity, class Proj2 = identity,
83461cfbce3SDimitry Andric         indirect_equivalence_relation<projected<I1, Proj1>,
83561cfbce3SDimitry Andric                                       projected<I2, Proj2>> Pred = ranges::equal_to>
83661cfbce3SDimitry Andric  constexpr bool ranges::is_permutation(I1 first1, S1 last1, I2 first2, S2 last2,
83761cfbce3SDimitry Andric                                        Pred pred = {},
83806c3fb27SDimitry Andric                                        Proj1 proj1 = {}, Proj2 proj2 = {});                       // since C++20
83961cfbce3SDimitry Andric
84061cfbce3SDimitry Andric  template<forward_range R1, forward_range R2,
84161cfbce3SDimitry Andric         class Proj1 = identity, class Proj2 = identity,
84261cfbce3SDimitry Andric         indirect_equivalence_relation<projected<iterator_t<R1>, Proj1>,
84361cfbce3SDimitry Andric                                       projected<iterator_t<R2>, Proj2>> Pred = ranges::equal_to>
84461cfbce3SDimitry Andric  constexpr bool ranges::is_permutation(R1&& r1, R2&& r2, Pred pred = {},
84506c3fb27SDimitry Andric                                        Proj1 proj1 = {}, Proj2 proj2 = {});                       // since C++20
84661cfbce3SDimitry Andric
84761cfbce3SDimitry Andric  template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2,
848753f127fSDimitry Andric           sentinel_for<I2> S2, class Pred = ranges::equal_to,
849753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
850753f127fSDimitry Andric    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
851753f127fSDimitry Andric    constexpr subrange<I1>
852753f127fSDimitry Andric      ranges::search(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {},
853753f127fSDimitry Andric                     Proj1 proj1 = {}, Proj2 proj2 = {});                                           // since C++20
854753f127fSDimitry Andric
855753f127fSDimitry Andric  template<forward_range R1, forward_range R2, class Pred = ranges::equal_to,
856753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
857753f127fSDimitry Andric    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
858753f127fSDimitry Andric    constexpr borrowed_subrange_t<R1>
859753f127fSDimitry Andric      ranges::search(R1&& r1, R2&& r2, Pred pred = {},
860753f127fSDimitry Andric                     Proj1 proj1 = {}, Proj2 proj2 = {});                                           // since C++20
861753f127fSDimitry Andric
862753f127fSDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class T,
863753f127fSDimitry Andric           class Pred = ranges::equal_to, class Proj = identity>
864753f127fSDimitry Andric    requires indirectly_comparable<I, const T*, Pred, Proj>
865753f127fSDimitry Andric    constexpr subrange<I>
866753f127fSDimitry Andric      ranges::search_n(I first, S last, iter_difference_t<I> count,
867753f127fSDimitry Andric                       const T& value, Pred pred = {}, Proj proj = {});                             // since C++20
868753f127fSDimitry Andric
869753f127fSDimitry Andric  template<forward_range R, class T, class Pred = ranges::equal_to,
870753f127fSDimitry Andric           class Proj = identity>
871753f127fSDimitry Andric    requires indirectly_comparable<iterator_t<R>, const T*, Pred, Proj>
872753f127fSDimitry Andric    constexpr borrowed_subrange_t<R>
873753f127fSDimitry Andric      ranges::search_n(R&& r, range_difference_t<R> count,
874753f127fSDimitry Andric                       const T& value, Pred pred = {}, Proj proj = {});                             // since C++20
875753f127fSDimitry Andric
876753f127fSDimitry Andric  template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2,
877753f127fSDimitry Andric           class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
878753f127fSDimitry Andric    requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2>
879753f127fSDimitry Andric    constexpr subrange<I1>
880753f127fSDimitry Andric      ranges::find_end(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {},
881753f127fSDimitry Andric                       Proj1 proj1 = {}, Proj2 proj2 = {});                                         // since C++20
882753f127fSDimitry Andric
883753f127fSDimitry Andric  template<forward_range R1, forward_range R2,
884753f127fSDimitry Andric           class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity>
885753f127fSDimitry Andric    requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2>
886753f127fSDimitry Andric    constexpr borrowed_subrange_t<R1>
887753f127fSDimitry Andric      ranges::find_end(R1&& r1, R2&& r2, Pred pred = {},
888753f127fSDimitry Andric                       Proj1 proj1 = {}, Proj2 proj2 = {});                                         // since C++20
889753f127fSDimitry Andric
890753f127fSDimitry Andric  template<class I1, class I2, class O>
891753f127fSDimitry Andric    using set_symmetric_difference_result = in_in_out_result<I1, I2, O>;                            // since C++20
892753f127fSDimitry Andric
893753f127fSDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
894753f127fSDimitry Andric           weakly_incrementable O, class Comp = ranges::less,
895753f127fSDimitry Andric           class Proj1 = identity, class Proj2 = identity>
896753f127fSDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
897753f127fSDimitry Andric    constexpr set_symmetric_difference_result<I1, I2, O>
898753f127fSDimitry Andric      set_symmetric_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result,
899753f127fSDimitry Andric                               Comp comp = {}, Proj1 proj1 = {},
900753f127fSDimitry Andric                               Proj2 proj2 = {});                                                   // since C++20
901753f127fSDimitry Andric
902753f127fSDimitry Andric  template<input_range R1, input_range R2, weakly_incrementable O,
903753f127fSDimitry Andric           class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity>
904753f127fSDimitry Andric    requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2>
905753f127fSDimitry Andric    constexpr set_symmetric_difference_result<borrowed_iterator_t<R1>,
906753f127fSDimitry Andric                                                      borrowed_iterator_t<R2>, O>
907753f127fSDimitry Andric      set_symmetric_difference(R1&& r1, R2&& r2, O result, Comp comp = {},
908753f127fSDimitry Andric                               Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20
90981ad6265SDimitry Andric
910fcaf7f86SDimitry Andric  template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity,
911fcaf7f86SDimitry Andric           indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less>
912fcaf7f86SDimitry Andric    constexpr subrange<I>
913fcaf7f86SDimitry Andric      equal_range(I first, S last, const T& value, Comp comp = {}, Proj proj = {});                 // since C++20
914fcaf7f86SDimitry Andric
915fcaf7f86SDimitry Andric  template<forward_range R, class T, class Proj = identity,
916fcaf7f86SDimitry Andric           indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp =
917fcaf7f86SDimitry Andric             ranges::less>
918fcaf7f86SDimitry Andric    constexpr borrowed_subrange_t<R>
919fcaf7f86SDimitry Andric      equal_range(R&& r, const T& value, Comp comp = {}, Proj proj = {});                           // since C++20
920fcaf7f86SDimitry Andric
921fcaf7f86SDimitry Andric  template<class I1, class I2, class O>
922fcaf7f86SDimitry Andric    using set_union_result = in_in_out_result<I1, I2, O>;                                           // since C++20
923fcaf7f86SDimitry Andric
924fcaf7f86SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
925fcaf7f86SDimitry Andric           weakly_incrementable O, class Comp = ranges::less,
926fcaf7f86SDimitry Andric           class Proj1 = identity, class Proj2 = identity>
927fcaf7f86SDimitry Andric    requires mergeable<I1, I2, O, Comp, Proj1, Proj2>
928fcaf7f86SDimitry Andric    constexpr set_union_result<I1, I2, O>
929fcaf7f86SDimitry Andric      set_union(I1 first1, S1 last1, I2 first2, S2 last2, O result, Comp comp = {},
930fcaf7f86SDimitry Andric                Proj1 proj1 = {}, Proj2 proj2 = {});                                                // since C++20
931fcaf7f86SDimitry Andric
932fcaf7f86SDimitry Andric  template<input_range R1, input_range R2, weakly_incrementable O,
933fcaf7f86SDimitry Andric           class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity>
934fcaf7f86SDimitry Andric    requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2>
935fcaf7f86SDimitry Andric    constexpr set_union_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O>
936fcaf7f86SDimitry Andric      set_union(R1&& r1, R2&& r2, O result, Comp comp = {},
937fcaf7f86SDimitry Andric                Proj1 proj1 = {}, Proj2 proj2 = {});                                                // since C++20
938fcaf7f86SDimitry Andric
939fcaf7f86SDimitry Andric  template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2,
940fcaf7f86SDimitry Andric           class Proj1 = identity, class Proj2 = identity,
941fcaf7f86SDimitry Andric           indirect_strict_weak_order<projected<I1, Proj1>, projected<I2, Proj2>> Comp =
942fcaf7f86SDimitry Andric             ranges::less>
943fcaf7f86SDimitry Andric    constexpr bool includes(I1 first1, S1 last1, I2 first2, S2 last2, Comp comp = {},
94406c3fb27SDimitry Andric                            Proj1 proj1 = {}, Proj2 proj2 = {});                                   // since C++20
945fcaf7f86SDimitry Andric
946fcaf7f86SDimitry Andric  template<input_range R1, input_range R2, class Proj1 = identity,
947fcaf7f86SDimitry Andric           class Proj2 = identity,
948fcaf7f86SDimitry Andric           indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>,
949fcaf7f86SDimitry Andric                                      projected<iterator_t<R2>, Proj2>> Comp = ranges::less>
950fcaf7f86SDimitry Andric    constexpr bool includes(R1&& r1, R2&& r2, Comp comp = {},
95106c3fb27SDimitry Andric                            Proj1 proj1 = {}, Proj2 proj2 = {});                                   // since C++20
95261cfbce3SDimitry Andric
95361cfbce3SDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less,
95461cfbce3SDimitry Andric           class Proj = identity>
95561cfbce3SDimitry Andric    requires sortable<I, Comp, Proj>
95606c3fb27SDimitry Andric    I inplace_merge(I first, I middle, S last, Comp comp = {}, Proj proj = {});                    // since C++20
95761cfbce3SDimitry Andric
95861cfbce3SDimitry Andric  template<bidirectional_range R, class Comp = ranges::less, class Proj = identity>
95961cfbce3SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
96061cfbce3SDimitry Andric    borrowed_iterator_t<R>
96161cfbce3SDimitry Andric      inplace_merge(R&& r, iterator_t<R> middle, Comp comp = {},
96206c3fb27SDimitry Andric                    Proj proj = {});                                                               // since C++20
96361cfbce3SDimitry Andric
96461cfbce3SDimitry Andric  template<permutable I, sentinel_for<I> S, class Proj = identity,
96561cfbce3SDimitry Andric           indirect_equivalence_relation<projected<I, Proj>> C = ranges::equal_to>
96606c3fb27SDimitry Andric    constexpr subrange<I> unique(I first, S last, C comp = {}, Proj proj = {});                    // since C++20
96761cfbce3SDimitry Andric
96861cfbce3SDimitry Andric  template<forward_range R, class Proj = identity,
96961cfbce3SDimitry Andric           indirect_equivalence_relation<projected<iterator_t<R>, Proj>> C = ranges::equal_to>
97061cfbce3SDimitry Andric    requires permutable<iterator_t<R>>
97161cfbce3SDimitry Andric    constexpr borrowed_subrange_t<R>
97206c3fb27SDimitry Andric      unique(R&& r, C comp = {}, Proj proj = {});                                                  // since C++20
97361cfbce3SDimitry Andric
97461cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Proj = identity,
97561cfbce3SDimitry Andric           indirect_equivalence_relation<projected<I, Proj>> C = ranges::equal_to>
97661cfbce3SDimitry Andric    requires indirectly_copyable<I, O> &&
97761cfbce3SDimitry Andric             (forward_iterator<I> ||
97861cfbce3SDimitry Andric              (input_iterator<O> && same_as<iter_value_t<I>, iter_value_t<O>>) ||
97961cfbce3SDimitry Andric              indirectly_copyable_storable<I, O>)
98061cfbce3SDimitry Andric    constexpr unique_copy_result<I, O>
98106c3fb27SDimitry Andric      unique_copy(I first, S last, O result, C comp = {}, Proj proj = {});                         // since C++20
98261cfbce3SDimitry Andric
98361cfbce3SDimitry Andric  template<input_range R, weakly_incrementable O, class Proj = identity,
98461cfbce3SDimitry Andric           indirect_equivalence_relation<projected<iterator_t<R>, Proj>> C = ranges::equal_to>
98561cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O> &&
98661cfbce3SDimitry Andric             (forward_iterator<iterator_t<R>> ||
98761cfbce3SDimitry Andric              (input_iterator<O> && same_as<range_value_t<R>, iter_value_t<O>>) ||
98861cfbce3SDimitry Andric              indirectly_copyable_storable<iterator_t<R>, O>)
98961cfbce3SDimitry Andric    constexpr unique_copy_result<borrowed_iterator_t<R>, O>
99006c3fb27SDimitry Andric      unique_copy(R&& r, O result, C comp = {}, Proj proj = {});                                   // since C++20
99161cfbce3SDimitry Andric
99261cfbce3SDimitry Andric  template<class I, class O>
99306c3fb27SDimitry Andric      using remove_copy_result = in_out_result<I, O>;                                              // since C++20
99461cfbce3SDimitry Andric
99561cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class T,
99661cfbce3SDimitry Andric           class Proj = identity>
99761cfbce3SDimitry Andric             indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
99861cfbce3SDimitry Andric    constexpr remove_copy_result<I, O>
99906c3fb27SDimitry Andric      remove_copy(I first, S last, O result, const T& value, Proj proj = {});                      // since C++20
100061cfbce3SDimitry Andric
100161cfbce3SDimitry Andric  template<input_range R, weakly_incrementable O, class T, class Proj = identity>
100261cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O> &&
100361cfbce3SDimitry Andric             indirect_binary_predicate<ranges::equal_to,
100461cfbce3SDimitry Andric                                       projected<iterator_t<R>, Proj>, const T*>
100561cfbce3SDimitry Andric    constexpr remove_copy_result<borrowed_iterator_t<R>, O>
100606c3fb27SDimitry Andric      remove_copy(R&& r, O result, const T& value, Proj proj = {});                                // since C++20
100761cfbce3SDimitry Andric
100861cfbce3SDimitry Andric  template<class I, class O>
100906c3fb27SDimitry Andric      using remove_copy_if_result = in_out_result<I, O>;                                           // since C++20
101061cfbce3SDimitry Andric
101161cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, weakly_incrementable O,
101261cfbce3SDimitry Andric           class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred>
101361cfbce3SDimitry Andric    requires indirectly_copyable<I, O>
101461cfbce3SDimitry Andric    constexpr remove_copy_if_result<I, O>
101506c3fb27SDimitry Andric      remove_copy_if(I first, S last, O result, Pred pred, Proj proj = {});                        // since C++20
101661cfbce3SDimitry Andric
101761cfbce3SDimitry Andric  template<input_range R, weakly_incrementable O, class Proj = identity,
101861cfbce3SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
101961cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
102061cfbce3SDimitry Andric    constexpr remove_copy_if_result<borrowed_iterator_t<R>, O>
102106c3fb27SDimitry Andric      remove_copy_if(R&& r, O result, Pred pred, Proj proj = {});                                  // since C++20
102261cfbce3SDimitry Andric
102361cfbce3SDimitry Andric  template<class I, class O>
102406c3fb27SDimitry Andric      using replace_copy_result = in_out_result<I, O>;                                             // since C++20
102561cfbce3SDimitry Andric
102661cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class T1, class T2,
102761cfbce3SDimitry Andric           output_iterator<const T2&> O, class Proj = identity>
102861cfbce3SDimitry Andric    requires indirectly_copyable<I, O> &&
102961cfbce3SDimitry Andric             indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T1*>
103061cfbce3SDimitry Andric    constexpr replace_copy_result<I, O>
103161cfbce3SDimitry Andric      replace_copy(I first, S last, O result, const T1& old_value, const T2& new_value,
103206c3fb27SDimitry Andric                   Proj proj = {});                                                                // since C++20
103361cfbce3SDimitry Andric
103461cfbce3SDimitry Andric  template<input_range R, class T1, class T2, output_iterator<const T2&> O,
103561cfbce3SDimitry Andric           class Proj = identity>
103661cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O> &&
103761cfbce3SDimitry Andric             indirect_binary_predicate<ranges::equal_to,
103861cfbce3SDimitry Andric                                       projected<iterator_t<R>, Proj>, const T1*>
103961cfbce3SDimitry Andric    constexpr replace_copy_result<borrowed_iterator_t<R>, O>
104061cfbce3SDimitry Andric      replace_copy(R&& r, O result, const T1& old_value, const T2& new_value,
104106c3fb27SDimitry Andric                   Proj proj = {});                                                                // since C++20
104261cfbce3SDimitry Andric
104361cfbce3SDimitry Andric  template<class I, class O>
104406c3fb27SDimitry Andric      using replace_copy_if_result = in_out_result<I, O>;                                          // since C++20
104561cfbce3SDimitry Andric
104661cfbce3SDimitry Andric  template<input_iterator I, sentinel_for<I> S, class T, output_iterator<const T&> O,
104761cfbce3SDimitry Andric           class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred>
104861cfbce3SDimitry Andric    requires indirectly_copyable<I, O>
104961cfbce3SDimitry Andric    constexpr replace_copy_if_result<I, O>
105061cfbce3SDimitry Andric      replace_copy_if(I first, S last, O result, Pred pred, const T& new_value,
105106c3fb27SDimitry Andric                      Proj proj = {});                                                             // since C++20
105261cfbce3SDimitry Andric
105361cfbce3SDimitry Andric  template<input_range R, class T, output_iterator<const T&> O, class Proj = identity,
105461cfbce3SDimitry Andric           indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred>
105561cfbce3SDimitry Andric    requires indirectly_copyable<iterator_t<R>, O>
105661cfbce3SDimitry Andric    constexpr replace_copy_if_result<borrowed_iterator_t<R>, O>
105761cfbce3SDimitry Andric      replace_copy_if(R&& r, O result, Pred pred, const T& new_value,
105806c3fb27SDimitry Andric                      Proj proj = {});                                                             // since C++20
105961cfbce3SDimitry Andric
106061cfbce3SDimitry Andric  template<class I>
106106c3fb27SDimitry Andric    using prev_permutation_result = in_found_result<I>;                                            // since C++20
106261cfbce3SDimitry Andric
106361cfbce3SDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less,
106461cfbce3SDimitry Andric           class Proj = identity>
106561cfbce3SDimitry Andric    requires sortable<I, Comp, Proj>
106661cfbce3SDimitry Andric    constexpr ranges::prev_permutation_result<I>
106706c3fb27SDimitry Andric      ranges::prev_permutation(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20
106861cfbce3SDimitry Andric
106961cfbce3SDimitry Andric  template<bidirectional_range R, class Comp = ranges::less,
107061cfbce3SDimitry Andric           class Proj = identity>
107161cfbce3SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
107261cfbce3SDimitry Andric    constexpr ranges::prev_permutation_result<borrowed_iterator_t<R>>
107306c3fb27SDimitry Andric      ranges::prev_permutation(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20
107461cfbce3SDimitry Andric
107561cfbce3SDimitry Andric  template<class I>
107606c3fb27SDimitry Andric    using next_permutation_result = in_found_result<I>;                                            // since C++20
107761cfbce3SDimitry Andric
107861cfbce3SDimitry Andric  template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less,
107961cfbce3SDimitry Andric           class Proj = identity>
108061cfbce3SDimitry Andric    requires sortable<I, Comp, Proj>
108161cfbce3SDimitry Andric    constexpr ranges::next_permutation_result<I>
108206c3fb27SDimitry Andric      ranges::next_permutation(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20
108361cfbce3SDimitry Andric
108461cfbce3SDimitry Andric  template<bidirectional_range R, class Comp = ranges::less,
108561cfbce3SDimitry Andric           class Proj = identity>
108661cfbce3SDimitry Andric    requires sortable<iterator_t<R>, Comp, Proj>
108761cfbce3SDimitry Andric    constexpr ranges::next_permutation_result<borrowed_iterator_t<R>>
108806c3fb27SDimitry Andric      ranges::next_permutation(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20
108961cfbce3SDimitry Andric
109004eeddc0SDimitry Andric}
109104eeddc0SDimitry Andric
109261cfbce3SDimitry Andrictemplate <class InputIterator, class Predicate>
10930b57cec5SDimitry Andric    constexpr bool     // constexpr in C++20
10940b57cec5SDimitry Andric    all_of(InputIterator first, InputIterator last, Predicate pred);
10950b57cec5SDimitry Andric
10960b57cec5SDimitry Andrictemplate <class InputIterator, class Predicate>
10970b57cec5SDimitry Andric    constexpr bool     // constexpr in C++20
10980b57cec5SDimitry Andric    any_of(InputIterator first, InputIterator last, Predicate pred);
10990b57cec5SDimitry Andric
11000b57cec5SDimitry Andrictemplate <class InputIterator, class Predicate>
11010b57cec5SDimitry Andric    constexpr bool     // constexpr in C++20
11020b57cec5SDimitry Andric    none_of(InputIterator first, InputIterator last, Predicate pred);
11030b57cec5SDimitry Andric
11040b57cec5SDimitry Andrictemplate <class InputIterator, class Function>
11050b57cec5SDimitry Andric    constexpr Function          // constexpr in C++20
11060b57cec5SDimitry Andric    for_each(InputIterator first, InputIterator last, Function f);
11070b57cec5SDimitry Andric
11080b57cec5SDimitry Andrictemplate<class InputIterator, class Size, class Function>
11090b57cec5SDimitry Andric    constexpr InputIterator     // constexpr in C++20
11100b57cec5SDimitry Andric    for_each_n(InputIterator first, Size n, Function f); // C++17
11110b57cec5SDimitry Andric
11120b57cec5SDimitry Andrictemplate <class InputIterator, class T>
11130b57cec5SDimitry Andric    constexpr InputIterator     // constexpr in C++20
11140b57cec5SDimitry Andric    find(InputIterator first, InputIterator last, const T& value);
11150b57cec5SDimitry Andric
11160b57cec5SDimitry Andrictemplate <class InputIterator, class Predicate>
11170b57cec5SDimitry Andric    constexpr InputIterator     // constexpr in C++20
11180b57cec5SDimitry Andric    find_if(InputIterator first, InputIterator last, Predicate pred);
11190b57cec5SDimitry Andric
11200b57cec5SDimitry Andrictemplate<class InputIterator, class Predicate>
1121e8d8bef9SDimitry Andric    constexpr InputIterator     // constexpr in C++20
11220b57cec5SDimitry Andric    find_if_not(InputIterator first, InputIterator last, Predicate pred);
11230b57cec5SDimitry Andric
11240b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2>
1125e8d8bef9SDimitry Andric    constexpr ForwardIterator1  // constexpr in C++20
11260b57cec5SDimitry Andric    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
11270b57cec5SDimitry Andric             ForwardIterator2 first2, ForwardIterator2 last2);
11280b57cec5SDimitry Andric
11290b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
1130e8d8bef9SDimitry Andric    constexpr ForwardIterator1  // constexpr in C++20
11310b57cec5SDimitry Andric    find_end(ForwardIterator1 first1, ForwardIterator1 last1,
11320b57cec5SDimitry Andric             ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
11330b57cec5SDimitry Andric
11340b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2>
11350b57cec5SDimitry Andric    constexpr ForwardIterator1  // constexpr in C++20
11360b57cec5SDimitry Andric    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
11370b57cec5SDimitry Andric                  ForwardIterator2 first2, ForwardIterator2 last2);
11380b57cec5SDimitry Andric
11390b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
11400b57cec5SDimitry Andric    constexpr ForwardIterator1  // constexpr in C++20
11410b57cec5SDimitry Andric    find_first_of(ForwardIterator1 first1, ForwardIterator1 last1,
11420b57cec5SDimitry Andric                  ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
11430b57cec5SDimitry Andric
11440b57cec5SDimitry Andrictemplate <class ForwardIterator>
11450b57cec5SDimitry Andric    constexpr ForwardIterator   // constexpr in C++20
11460b57cec5SDimitry Andric    adjacent_find(ForwardIterator first, ForwardIterator last);
11470b57cec5SDimitry Andric
11480b57cec5SDimitry Andrictemplate <class ForwardIterator, class BinaryPredicate>
11490b57cec5SDimitry Andric    constexpr ForwardIterator   // constexpr in C++20
11500b57cec5SDimitry Andric    adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
11510b57cec5SDimitry Andric
11520b57cec5SDimitry Andrictemplate <class InputIterator, class T>
11530b57cec5SDimitry Andric    constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20
11540b57cec5SDimitry Andric    count(InputIterator first, InputIterator last, const T& value);
11550b57cec5SDimitry Andric
11560b57cec5SDimitry Andrictemplate <class InputIterator, class Predicate>
11570b57cec5SDimitry Andric    constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20
11580b57cec5SDimitry Andric    count_if(InputIterator first, InputIterator last, Predicate pred);
11590b57cec5SDimitry Andric
11600b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
11610b57cec5SDimitry Andric    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
11620b57cec5SDimitry Andric    mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
11630b57cec5SDimitry Andric
11640b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
11650b57cec5SDimitry Andric    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
11660b57cec5SDimitry Andric    mismatch(InputIterator1 first1, InputIterator1 last1,
11670b57cec5SDimitry Andric             InputIterator2 first2, InputIterator2 last2); // **C++14**
11680b57cec5SDimitry Andric
11690b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
11700b57cec5SDimitry Andric    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
11710b57cec5SDimitry Andric    mismatch(InputIterator1 first1, InputIterator1 last1,
11720b57cec5SDimitry Andric             InputIterator2 first2, BinaryPredicate pred);
11730b57cec5SDimitry Andric
11740b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
11750b57cec5SDimitry Andric    constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20
11760b57cec5SDimitry Andric    mismatch(InputIterator1 first1, InputIterator1 last1,
11770b57cec5SDimitry Andric             InputIterator2 first2, InputIterator2 last2,
11780b57cec5SDimitry Andric             BinaryPredicate pred); // **C++14**
11790b57cec5SDimitry Andric
11800b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
11810b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
11820b57cec5SDimitry Andric    equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2);
11830b57cec5SDimitry Andric
11840b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
11850b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
11860b57cec5SDimitry Andric    equal(InputIterator1 first1, InputIterator1 last1,
11870b57cec5SDimitry Andric          InputIterator2 first2, InputIterator2 last2); // **C++14**
11880b57cec5SDimitry Andric
11890b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
11900b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
11910b57cec5SDimitry Andric    equal(InputIterator1 first1, InputIterator1 last1,
11920b57cec5SDimitry Andric          InputIterator2 first2, BinaryPredicate pred);
11930b57cec5SDimitry Andric
11940b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class BinaryPredicate>
11950b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
11960b57cec5SDimitry Andric    equal(InputIterator1 first1, InputIterator1 last1,
11970b57cec5SDimitry Andric          InputIterator2 first2, InputIterator2 last2,
11980b57cec5SDimitry Andric          BinaryPredicate pred); // **C++14**
11990b57cec5SDimitry Andric
12000b57cec5SDimitry Andrictemplate<class ForwardIterator1, class ForwardIterator2>
12010b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
12020b57cec5SDimitry Andric    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
12030b57cec5SDimitry Andric                   ForwardIterator2 first2);
12040b57cec5SDimitry Andric
12050b57cec5SDimitry Andrictemplate<class ForwardIterator1, class ForwardIterator2>
12060b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
12070b57cec5SDimitry Andric    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
12080b57cec5SDimitry Andric                   ForwardIterator2 first2, ForwardIterator2 last2); // **C++14**
12090b57cec5SDimitry Andric
12100b57cec5SDimitry Andrictemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
12110b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
12120b57cec5SDimitry Andric    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
12130b57cec5SDimitry Andric                   ForwardIterator2 first2, BinaryPredicate pred);
12140b57cec5SDimitry Andric
12150b57cec5SDimitry Andrictemplate<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
12160b57cec5SDimitry Andric    constexpr bool      // constexpr in C++20
12170b57cec5SDimitry Andric    is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
12180b57cec5SDimitry Andric                   ForwardIterator2 first2, ForwardIterator2 last2,
12190b57cec5SDimitry Andric                   BinaryPredicate pred);  // **C++14**
12200b57cec5SDimitry Andric
12210b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2>
12220b57cec5SDimitry Andric    constexpr ForwardIterator1      // constexpr in C++20
12230b57cec5SDimitry Andric    search(ForwardIterator1 first1, ForwardIterator1 last1,
12240b57cec5SDimitry Andric           ForwardIterator2 first2, ForwardIterator2 last2);
12250b57cec5SDimitry Andric
12260b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate>
12270b57cec5SDimitry Andric    constexpr ForwardIterator1      // constexpr in C++20
12280b57cec5SDimitry Andric    search(ForwardIterator1 first1, ForwardIterator1 last1,
12290b57cec5SDimitry Andric           ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred);
12300b57cec5SDimitry Andric
12310b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size, class T>
12320b57cec5SDimitry Andric    constexpr ForwardIterator       // constexpr in C++20
12330b57cec5SDimitry Andric    search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value);
12340b57cec5SDimitry Andric
12350b57cec5SDimitry Andrictemplate <class ForwardIterator, class Size, class T, class BinaryPredicate>
12360b57cec5SDimitry Andric    constexpr ForwardIterator       // constexpr in C++20
12370b57cec5SDimitry Andric    search_n(ForwardIterator first, ForwardIterator last,
12380b57cec5SDimitry Andric             Size count, const T& value, BinaryPredicate pred);
12390b57cec5SDimitry Andric
12400b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator>
1241480093f4SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
12420b57cec5SDimitry Andric    copy(InputIterator first, InputIterator last, OutputIterator result);
12430b57cec5SDimitry Andric
12440b57cec5SDimitry Andrictemplate<class InputIterator, class OutputIterator, class Predicate>
1245480093f4SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
12460b57cec5SDimitry Andric    copy_if(InputIterator first, InputIterator last,
12470b57cec5SDimitry Andric            OutputIterator result, Predicate pred);
12480b57cec5SDimitry Andric
12490b57cec5SDimitry Andrictemplate<class InputIterator, class Size, class OutputIterator>
1250480093f4SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
12510b57cec5SDimitry Andric    copy_n(InputIterator first, Size n, OutputIterator result);
12520b57cec5SDimitry Andric
12530b57cec5SDimitry Andrictemplate <class BidirectionalIterator1, class BidirectionalIterator2>
1254480093f4SDimitry Andric    constexpr BidirectionalIterator2      // constexpr in C++20
12550b57cec5SDimitry Andric    copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
12560b57cec5SDimitry Andric                  BidirectionalIterator2 result);
12570b57cec5SDimitry Andric
125881ad6265SDimitry Andric// [alg.move], move
125981ad6265SDimitry Andrictemplate<class InputIterator, class OutputIterator>
126081ad6265SDimitry Andric    constexpr OutputIterator move(InputIterator first, InputIterator last,
126181ad6265SDimitry Andric                                OutputIterator result);
126281ad6265SDimitry Andric
126381ad6265SDimitry Andrictemplate<class BidirectionalIterator1, class BidirectionalIterator2>
126481ad6265SDimitry Andric    constexpr BidirectionalIterator2
126581ad6265SDimitry Andric    move_backward(BidirectionalIterator1 first, BidirectionalIterator1 last,
126681ad6265SDimitry Andric                  BidirectionalIterator2 result);
126781ad6265SDimitry Andric
12680b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2>
1269e8d8bef9SDimitry Andric    constexpr ForwardIterator2    // constexpr in C++20
12700b57cec5SDimitry Andric    swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2);
12710b57cec5SDimitry Andric
127281ad6265SDimitry Andricnamespace ranges {
127381ad6265SDimitry Andric    template<class I1, class I2>
127481ad6265SDimitry Andric    using swap_ranges_result = in_in_result<I1, I2>;
127581ad6265SDimitry Andric
127681ad6265SDimitry Andrictemplate<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2>
127781ad6265SDimitry Andric        requires indirectly_swappable<I1, I2>
127881ad6265SDimitry Andric    constexpr ranges::swap_ranges_result<I1, I2>
127981ad6265SDimitry Andric        swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2);
128081ad6265SDimitry Andric
128181ad6265SDimitry Andrictemplate<input_range R1, input_range R2>
128281ad6265SDimitry Andric        requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>>
128381ad6265SDimitry Andric    constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>>
128481ad6265SDimitry Andric        swap_ranges(R1&& r1, R2&& r2);
128581ad6265SDimitry Andric}
128681ad6265SDimitry Andric
12870b57cec5SDimitry Andrictemplate <class ForwardIterator1, class ForwardIterator2>
1288e8d8bef9SDimitry Andric    constexpr void                // constexpr in C++20
12890b57cec5SDimitry Andric    iter_swap(ForwardIterator1 a, ForwardIterator2 b);
12900b57cec5SDimitry Andric
12910b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class UnaryOperation>
12920b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
12930b57cec5SDimitry Andric    transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op);
12940b57cec5SDimitry Andric
12950b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation>
12960b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
12970b57cec5SDimitry Andric    transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2,
12980b57cec5SDimitry Andric              OutputIterator result, BinaryOperation binary_op);
12990b57cec5SDimitry Andric
13000b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
13010b57cec5SDimitry Andric    constexpr void      // constexpr in C++20
13020b57cec5SDimitry Andric    replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value);
13030b57cec5SDimitry Andric
13040b57cec5SDimitry Andrictemplate <class ForwardIterator, class Predicate, class T>
13050b57cec5SDimitry Andric    constexpr void      // constexpr in C++20
13060b57cec5SDimitry Andric    replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value);
13070b57cec5SDimitry Andric
13080b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class T>
13090b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
13100b57cec5SDimitry Andric    replace_copy(InputIterator first, InputIterator last, OutputIterator result,
13110b57cec5SDimitry Andric                 const T& old_value, const T& new_value);
13120b57cec5SDimitry Andric
13130b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class Predicate, class T>
13140b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
13150b57cec5SDimitry Andric    replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value);
13160b57cec5SDimitry Andric
13170b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
13180b57cec5SDimitry Andric    constexpr void      // constexpr in C++20
13190b57cec5SDimitry Andric    fill(ForwardIterator first, ForwardIterator last, const T& value);
13200b57cec5SDimitry Andric
13210b57cec5SDimitry Andrictemplate <class OutputIterator, class Size, class T>
13220b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
13230b57cec5SDimitry Andric    fill_n(OutputIterator first, Size n, const T& value);
13240b57cec5SDimitry Andric
13250b57cec5SDimitry Andrictemplate <class ForwardIterator, class Generator>
13260b57cec5SDimitry Andric    constexpr void      // constexpr in C++20
13270b57cec5SDimitry Andric    generate(ForwardIterator first, ForwardIterator last, Generator gen);
13280b57cec5SDimitry Andric
13290b57cec5SDimitry Andrictemplate <class OutputIterator, class Size, class Generator>
13300b57cec5SDimitry Andric    constexpr OutputIterator      // constexpr in C++20
13310b57cec5SDimitry Andric    generate_n(OutputIterator first, Size n, Generator gen);
13320b57cec5SDimitry Andric
13330b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
13340b57cec5SDimitry Andric    constexpr ForwardIterator     // constexpr in C++20
13350b57cec5SDimitry Andric    remove(ForwardIterator first, ForwardIterator last, const T& value);
13360b57cec5SDimitry Andric
13370b57cec5SDimitry Andrictemplate <class ForwardIterator, class Predicate>
13380b57cec5SDimitry Andric    constexpr ForwardIterator     // constexpr in C++20
13390b57cec5SDimitry Andric    remove_if(ForwardIterator first, ForwardIterator last, Predicate pred);
13400b57cec5SDimitry Andric
13410b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class T>
13420b57cec5SDimitry Andric    constexpr OutputIterator     // constexpr in C++20
13430b57cec5SDimitry Andric    remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value);
13440b57cec5SDimitry Andric
13450b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class Predicate>
13460b57cec5SDimitry Andric    constexpr OutputIterator     // constexpr in C++20
13470b57cec5SDimitry Andric    remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred);
13480b57cec5SDimitry Andric
13490b57cec5SDimitry Andrictemplate <class ForwardIterator>
1350e8d8bef9SDimitry Andric    constexpr ForwardIterator    // constexpr in C++20
13510b57cec5SDimitry Andric    unique(ForwardIterator first, ForwardIterator last);
13520b57cec5SDimitry Andric
13530b57cec5SDimitry Andrictemplate <class ForwardIterator, class BinaryPredicate>
1354e8d8bef9SDimitry Andric    constexpr ForwardIterator    // constexpr in C++20
13550b57cec5SDimitry Andric    unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred);
13560b57cec5SDimitry Andric
13570b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator>
1358e8d8bef9SDimitry Andric    constexpr OutputIterator     // constexpr in C++20
13590b57cec5SDimitry Andric    unique_copy(InputIterator first, InputIterator last, OutputIterator result);
13600b57cec5SDimitry Andric
13610b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator, class BinaryPredicate>
1362e8d8bef9SDimitry Andric    constexpr OutputIterator     // constexpr in C++20
13630b57cec5SDimitry Andric    unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred);
13640b57cec5SDimitry Andric
13650b57cec5SDimitry Andrictemplate <class BidirectionalIterator>
1366e8d8bef9SDimitry Andric    constexpr void               // constexpr in C++20
13670b57cec5SDimitry Andric    reverse(BidirectionalIterator first, BidirectionalIterator last);
13680b57cec5SDimitry Andric
13690b57cec5SDimitry Andrictemplate <class BidirectionalIterator, class OutputIterator>
13700b57cec5SDimitry Andric    constexpr OutputIterator       // constexpr in C++20
13710b57cec5SDimitry Andric    reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result);
13720b57cec5SDimitry Andric
13730b57cec5SDimitry Andrictemplate <class ForwardIterator>
1374e8d8bef9SDimitry Andric    constexpr ForwardIterator      // constexpr in C++20
13750b57cec5SDimitry Andric    rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last);
13760b57cec5SDimitry Andric
13770b57cec5SDimitry Andrictemplate <class ForwardIterator, class OutputIterator>
1378e8d8bef9SDimitry Andric    constexpr OutputIterator       // constexpr in C++20
13790b57cec5SDimitry Andric    rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result);
13800b57cec5SDimitry Andric
13810b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
13820b57cec5SDimitry Andric    void
13830b57cec5SDimitry Andric    random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17
13840b57cec5SDimitry Andric
13850b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class RandomNumberGenerator>
13860b57cec5SDimitry Andric    void
13870b57cec5SDimitry Andric    random_shuffle(RandomAccessIterator first, RandomAccessIterator last,
13880b57cec5SDimitry Andric                   RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17
13890b57cec5SDimitry Andric
13900b57cec5SDimitry Andrictemplate<class PopulationIterator, class SampleIterator,
13910b57cec5SDimitry Andric         class Distance, class UniformRandomBitGenerator>
13920b57cec5SDimitry Andric    SampleIterator sample(PopulationIterator first, PopulationIterator last,
13930b57cec5SDimitry Andric                          SampleIterator out, Distance n,
13940b57cec5SDimitry Andric                          UniformRandomBitGenerator&& g); // C++17
13950b57cec5SDimitry Andric
13960b57cec5SDimitry Andrictemplate<class RandomAccessIterator, class UniformRandomNumberGenerator>
13970b57cec5SDimitry Andric    void shuffle(RandomAccessIterator first, RandomAccessIterator last,
13980b57cec5SDimitry Andric                 UniformRandomNumberGenerator&& g);
13990b57cec5SDimitry Andric
1400e8d8bef9SDimitry Andrictemplate<class ForwardIterator>
1401e8d8bef9SDimitry Andric  constexpr ForwardIterator
1402e8d8bef9SDimitry Andric    shift_left(ForwardIterator first, ForwardIterator last,
1403e8d8bef9SDimitry Andric               typename iterator_traits<ForwardIterator>::difference_type n); // C++20
1404e8d8bef9SDimitry Andric
1405e8d8bef9SDimitry Andrictemplate<class ForwardIterator>
1406e8d8bef9SDimitry Andric  constexpr ForwardIterator
1407e8d8bef9SDimitry Andric    shift_right(ForwardIterator first, ForwardIterator last,
1408e8d8bef9SDimitry Andric                typename iterator_traits<ForwardIterator>::difference_type n); // C++20
1409e8d8bef9SDimitry Andric
14100b57cec5SDimitry Andrictemplate <class InputIterator, class Predicate>
14110b57cec5SDimitry Andric    constexpr bool  // constexpr in C++20
14120b57cec5SDimitry Andric    is_partitioned(InputIterator first, InputIterator last, Predicate pred);
14130b57cec5SDimitry Andric
14140b57cec5SDimitry Andrictemplate <class ForwardIterator, class Predicate>
1415e8d8bef9SDimitry Andric    constexpr ForwardIterator  // constexpr in C++20
14160b57cec5SDimitry Andric    partition(ForwardIterator first, ForwardIterator last, Predicate pred);
14170b57cec5SDimitry Andric
14180b57cec5SDimitry Andrictemplate <class InputIterator, class OutputIterator1,
14190b57cec5SDimitry Andric          class OutputIterator2, class Predicate>
14200b57cec5SDimitry Andric    constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20
14210b57cec5SDimitry Andric    partition_copy(InputIterator first, InputIterator last,
14220b57cec5SDimitry Andric                   OutputIterator1 out_true, OutputIterator2 out_false,
14230b57cec5SDimitry Andric                   Predicate pred);
14240b57cec5SDimitry Andric
14250b57cec5SDimitry Andrictemplate <class ForwardIterator, class Predicate>
14260b57cec5SDimitry Andric    ForwardIterator
14270b57cec5SDimitry Andric    stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred);
14280b57cec5SDimitry Andric
14290b57cec5SDimitry Andrictemplate<class ForwardIterator, class Predicate>
14300b57cec5SDimitry Andric    constexpr ForwardIterator  // constexpr in C++20
14310b57cec5SDimitry Andric    partition_point(ForwardIterator first, ForwardIterator last, Predicate pred);
14320b57cec5SDimitry Andric
14330b57cec5SDimitry Andrictemplate <class ForwardIterator>
14340b57cec5SDimitry Andric    constexpr bool  // constexpr in C++20
14350b57cec5SDimitry Andric    is_sorted(ForwardIterator first, ForwardIterator last);
14360b57cec5SDimitry Andric
14370b57cec5SDimitry Andrictemplate <class ForwardIterator, class Compare>
1438e8d8bef9SDimitry Andric    constexpr bool  // constexpr in C++20
14390b57cec5SDimitry Andric    is_sorted(ForwardIterator first, ForwardIterator last, Compare comp);
14400b57cec5SDimitry Andric
14410b57cec5SDimitry Andrictemplate<class ForwardIterator>
14420b57cec5SDimitry Andric    constexpr ForwardIterator    // constexpr in C++20
14430b57cec5SDimitry Andric    is_sorted_until(ForwardIterator first, ForwardIterator last);
14440b57cec5SDimitry Andric
14450b57cec5SDimitry Andrictemplate <class ForwardIterator, class Compare>
14460b57cec5SDimitry Andric    constexpr ForwardIterator    // constexpr in C++20
14470b57cec5SDimitry Andric    is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp);
14480b57cec5SDimitry Andric
14490b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1450fe6060f1SDimitry Andric    constexpr void               // constexpr in C++20
14510b57cec5SDimitry Andric    sort(RandomAccessIterator first, RandomAccessIterator last);
14520b57cec5SDimitry Andric
14530b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1454fe6060f1SDimitry Andric    constexpr void               // constexpr in C++20
14550b57cec5SDimitry Andric    sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
14560b57cec5SDimitry Andric
14570b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
14580b57cec5SDimitry Andric    void
14590b57cec5SDimitry Andric    stable_sort(RandomAccessIterator first, RandomAccessIterator last);
14600b57cec5SDimitry Andric
14610b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
14620b57cec5SDimitry Andric    void
14630b57cec5SDimitry Andric    stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
14640b57cec5SDimitry Andric
14650b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1466fe6060f1SDimitry Andric    constexpr void                    // constexpr in C++20
14670b57cec5SDimitry Andric    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last);
14680b57cec5SDimitry Andric
14690b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1470fe6060f1SDimitry Andric    constexpr void                    // constexpr in C++20
14710b57cec5SDimitry Andric    partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp);
14720b57cec5SDimitry Andric
14730b57cec5SDimitry Andrictemplate <class InputIterator, class RandomAccessIterator>
1474fe6060f1SDimitry Andric    constexpr RandomAccessIterator    // constexpr in C++20
14750b57cec5SDimitry Andric    partial_sort_copy(InputIterator first, InputIterator last,
14760b57cec5SDimitry Andric                      RandomAccessIterator result_first, RandomAccessIterator result_last);
14770b57cec5SDimitry Andric
14780b57cec5SDimitry Andrictemplate <class InputIterator, class RandomAccessIterator, class Compare>
1479fe6060f1SDimitry Andric    constexpr RandomAccessIterator    // constexpr in C++20
14800b57cec5SDimitry Andric    partial_sort_copy(InputIterator first, InputIterator last,
14810b57cec5SDimitry Andric                      RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp);
14820b57cec5SDimitry Andric
14830b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1484fe6060f1SDimitry Andric    constexpr void                    // constexpr in C++20
14850b57cec5SDimitry Andric    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last);
14860b57cec5SDimitry Andric
14870b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1488fe6060f1SDimitry Andric    constexpr void                    // constexpr in C++20
14890b57cec5SDimitry Andric    nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp);
14900b57cec5SDimitry Andric
14910b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
14920b57cec5SDimitry Andric    constexpr ForwardIterator                         // constexpr in C++20
14930b57cec5SDimitry Andric    lower_bound(ForwardIterator first, ForwardIterator last, const T& value);
14940b57cec5SDimitry Andric
14950b57cec5SDimitry Andrictemplate <class ForwardIterator, class T, class Compare>
14960b57cec5SDimitry Andric    constexpr ForwardIterator                         // constexpr in C++20
14970b57cec5SDimitry Andric    lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
14980b57cec5SDimitry Andric
14990b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
15000b57cec5SDimitry Andric    constexpr ForwardIterator                         // constexpr in C++20
15010b57cec5SDimitry Andric    upper_bound(ForwardIterator first, ForwardIterator last, const T& value);
15020b57cec5SDimitry Andric
15030b57cec5SDimitry Andrictemplate <class ForwardIterator, class T, class Compare>
15040b57cec5SDimitry Andric    constexpr ForwardIterator                         // constexpr in C++20
15050b57cec5SDimitry Andric    upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
15060b57cec5SDimitry Andric
15070b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
15080b57cec5SDimitry Andric    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
15090b57cec5SDimitry Andric    equal_range(ForwardIterator first, ForwardIterator last, const T& value);
15100b57cec5SDimitry Andric
15110b57cec5SDimitry Andrictemplate <class ForwardIterator, class T, class Compare>
15120b57cec5SDimitry Andric    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20
15130b57cec5SDimitry Andric    equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
15140b57cec5SDimitry Andric
15150b57cec5SDimitry Andrictemplate <class ForwardIterator, class T>
15160b57cec5SDimitry Andric    constexpr bool                                    // constexpr in C++20
15170b57cec5SDimitry Andric    binary_search(ForwardIterator first, ForwardIterator last, const T& value);
15180b57cec5SDimitry Andric
15190b57cec5SDimitry Andrictemplate <class ForwardIterator, class T, class Compare>
15200b57cec5SDimitry Andric    constexpr bool                                    // constexpr in C++20
15210b57cec5SDimitry Andric    binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp);
15220b57cec5SDimitry Andric
15230b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator>
1524e8d8bef9SDimitry Andric    constexpr OutputIterator                          // constexpr in C++20
15250b57cec5SDimitry Andric    merge(InputIterator1 first1, InputIterator1 last1,
15260b57cec5SDimitry Andric          InputIterator2 first2, InputIterator2 last2, OutputIterator result);
15270b57cec5SDimitry Andric
15280b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
1529e8d8bef9SDimitry Andric    constexpr OutputIterator                          // constexpr in C++20
15300b57cec5SDimitry Andric    merge(InputIterator1 first1, InputIterator1 last1,
15310b57cec5SDimitry Andric          InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
15320b57cec5SDimitry Andric
15330b57cec5SDimitry Andrictemplate <class BidirectionalIterator>
15340b57cec5SDimitry Andric    void
15350b57cec5SDimitry Andric    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last);
15360b57cec5SDimitry Andric
15370b57cec5SDimitry Andrictemplate <class BidirectionalIterator, class Compare>
15380b57cec5SDimitry Andric    void
15390b57cec5SDimitry Andric    inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp);
15400b57cec5SDimitry Andric
15410b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
15420b57cec5SDimitry Andric    constexpr bool                                    // constexpr in C++20
15430b57cec5SDimitry Andric    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
15440b57cec5SDimitry Andric
15450b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class Compare>
15460b57cec5SDimitry Andric    constexpr bool                                    // constexpr in C++20
15470b57cec5SDimitry Andric    includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp);
15480b57cec5SDimitry Andric
15490b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator>
1550e8d8bef9SDimitry Andric    constexpr OutputIterator                          // constexpr in C++20
15510b57cec5SDimitry Andric    set_union(InputIterator1 first1, InputIterator1 last1,
15520b57cec5SDimitry Andric              InputIterator2 first2, InputIterator2 last2, OutputIterator result);
15530b57cec5SDimitry Andric
15540b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
1555e8d8bef9SDimitry Andric    constexpr OutputIterator                          // constexpr in C++20
15560b57cec5SDimitry Andric    set_union(InputIterator1 first1, InputIterator1 last1,
15570b57cec5SDimitry Andric              InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
15580b57cec5SDimitry Andric
15590b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator>
15600b57cec5SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15610b57cec5SDimitry Andric    set_intersection(InputIterator1 first1, InputIterator1 last1,
15620b57cec5SDimitry Andric                     InputIterator2 first2, InputIterator2 last2, OutputIterator result);
15630b57cec5SDimitry Andric
15640b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
15650b57cec5SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15660b57cec5SDimitry Andric    set_intersection(InputIterator1 first1, InputIterator1 last1,
15670b57cec5SDimitry Andric                     InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
15680b57cec5SDimitry Andric
15690b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator>
1570e8d8bef9SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15710b57cec5SDimitry Andric    set_difference(InputIterator1 first1, InputIterator1 last1,
15720b57cec5SDimitry Andric                   InputIterator2 first2, InputIterator2 last2, OutputIterator result);
15730b57cec5SDimitry Andric
15740b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
1575e8d8bef9SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15760b57cec5SDimitry Andric    set_difference(InputIterator1 first1, InputIterator1 last1,
15770b57cec5SDimitry Andric                   InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
15780b57cec5SDimitry Andric
15790b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator>
1580e8d8bef9SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15810b57cec5SDimitry Andric    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
15820b57cec5SDimitry Andric                             InputIterator2 first2, InputIterator2 last2, OutputIterator result);
15830b57cec5SDimitry Andric
15840b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class OutputIterator, class Compare>
1585e8d8bef9SDimitry Andric    constexpr OutputIterator                         // constexpr in C++20
15860b57cec5SDimitry Andric    set_symmetric_difference(InputIterator1 first1, InputIterator1 last1,
15870b57cec5SDimitry Andric                             InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp);
15880b57cec5SDimitry Andric
15890b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1590fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
15910b57cec5SDimitry Andric    push_heap(RandomAccessIterator first, RandomAccessIterator last);
15920b57cec5SDimitry Andric
15930b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1594fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
15950b57cec5SDimitry Andric    push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
15960b57cec5SDimitry Andric
15970b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1598fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
15990b57cec5SDimitry Andric    pop_heap(RandomAccessIterator first, RandomAccessIterator last);
16000b57cec5SDimitry Andric
16010b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1602fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
16030b57cec5SDimitry Andric    pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
16040b57cec5SDimitry Andric
16050b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1606fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
16070b57cec5SDimitry Andric    make_heap(RandomAccessIterator first, RandomAccessIterator last);
16080b57cec5SDimitry Andric
16090b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1610fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
16110b57cec5SDimitry Andric    make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
16120b57cec5SDimitry Andric
16130b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
1614fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
16150b57cec5SDimitry Andric    sort_heap(RandomAccessIterator first, RandomAccessIterator last);
16160b57cec5SDimitry Andric
16170b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
1618fe6060f1SDimitry Andric    constexpr void                                   // constexpr in C++20
16190b57cec5SDimitry Andric    sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp);
16200b57cec5SDimitry Andric
16210b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
16220b57cec5SDimitry Andric    constexpr bool   // constexpr in C++20
16230b57cec5SDimitry Andric    is_heap(RandomAccessIterator first, RandomAccessiterator last);
16240b57cec5SDimitry Andric
16250b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
16260b57cec5SDimitry Andric    constexpr bool   // constexpr in C++20
16270b57cec5SDimitry Andric    is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
16280b57cec5SDimitry Andric
16290b57cec5SDimitry Andrictemplate <class RandomAccessIterator>
16300b57cec5SDimitry Andric    constexpr RandomAccessIterator   // constexpr in C++20
16310b57cec5SDimitry Andric    is_heap_until(RandomAccessIterator first, RandomAccessiterator last);
16320b57cec5SDimitry Andric
16330b57cec5SDimitry Andrictemplate <class RandomAccessIterator, class Compare>
16340b57cec5SDimitry Andric    constexpr RandomAccessIterator   // constexpr in C++20
16350b57cec5SDimitry Andric    is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp);
16360b57cec5SDimitry Andric
16370b57cec5SDimitry Andrictemplate <class ForwardIterator>
1638e8d8bef9SDimitry Andric    constexpr ForwardIterator        // constexpr in C++14
1639e8d8bef9SDimitry Andric    min_element(ForwardIterator first, ForwardIterator last);
16400b57cec5SDimitry Andric
16410b57cec5SDimitry Andrictemplate <class ForwardIterator, class Compare>
1642e8d8bef9SDimitry Andric    constexpr ForwardIterator        // constexpr in C++14
1643e8d8bef9SDimitry Andric    min_element(ForwardIterator first, ForwardIterator last, Compare comp);
16440b57cec5SDimitry Andric
16450b57cec5SDimitry Andrictemplate <class T>
1646e8d8bef9SDimitry Andric    constexpr const T&               // constexpr in C++14
1647e8d8bef9SDimitry Andric    min(const T& a, const T& b);
16480b57cec5SDimitry Andric
16490b57cec5SDimitry Andrictemplate <class T, class Compare>
1650e8d8bef9SDimitry Andric    constexpr const T&               // constexpr in C++14
1651e8d8bef9SDimitry Andric    min(const T& a, const T& b, Compare comp);
16520b57cec5SDimitry Andric
16530b57cec5SDimitry Andrictemplate<class T>
1654e8d8bef9SDimitry Andric    constexpr T                      // constexpr in C++14
1655e8d8bef9SDimitry Andric    min(initializer_list<T> t);
16560b57cec5SDimitry Andric
16570b57cec5SDimitry Andrictemplate<class T, class Compare>
1658e8d8bef9SDimitry Andric    constexpr T                      // constexpr in C++14
1659e8d8bef9SDimitry Andric    min(initializer_list<T> t, Compare comp);
16600b57cec5SDimitry Andric
16610b57cec5SDimitry Andrictemplate<class T>
16620b57cec5SDimitry Andric    constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17
16630b57cec5SDimitry Andric
16640b57cec5SDimitry Andrictemplate<class T, class Compare>
16650b57cec5SDimitry Andric    constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17
16660b57cec5SDimitry Andric
16670b57cec5SDimitry Andrictemplate <class ForwardIterator>
1668e8d8bef9SDimitry Andric    constexpr ForwardIterator        // constexpr in C++14
1669e8d8bef9SDimitry Andric    max_element(ForwardIterator first, ForwardIterator last);
16700b57cec5SDimitry Andric
16710b57cec5SDimitry Andrictemplate <class ForwardIterator, class Compare>
1672e8d8bef9SDimitry Andric    constexpr ForwardIterator        // constexpr in C++14
1673e8d8bef9SDimitry Andric    max_element(ForwardIterator first, ForwardIterator last, Compare comp);
16740b57cec5SDimitry Andric
16750b57cec5SDimitry Andrictemplate <class T>
1676e8d8bef9SDimitry Andric    constexpr const T&               // constexpr in C++14
1677e8d8bef9SDimitry Andric    max(const T& a, const T& b);
16780b57cec5SDimitry Andric
16790b57cec5SDimitry Andrictemplate <class T, class Compare>
1680e8d8bef9SDimitry Andric    constexpr const T&               // constexpr in C++14
1681e8d8bef9SDimitry Andric    max(const T& a, const T& b, Compare comp);
16820b57cec5SDimitry Andric
16830b57cec5SDimitry Andrictemplate<class T>
1684e8d8bef9SDimitry Andric    constexpr T                      // constexpr in C++14
1685e8d8bef9SDimitry Andric    max(initializer_list<T> t);
16860b57cec5SDimitry Andric
16870b57cec5SDimitry Andrictemplate<class T, class Compare>
1688e8d8bef9SDimitry Andric    constexpr T                      // constexpr in C++14
1689e8d8bef9SDimitry Andric    max(initializer_list<T> t, Compare comp);
16900b57cec5SDimitry Andric
16910b57cec5SDimitry Andrictemplate<class ForwardIterator>
1692e8d8bef9SDimitry Andric    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
1693e8d8bef9SDimitry Andric    minmax_element(ForwardIterator first, ForwardIterator last);
16940b57cec5SDimitry Andric
16950b57cec5SDimitry Andrictemplate<class ForwardIterator, class Compare>
1696e8d8bef9SDimitry Andric    constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14
1697e8d8bef9SDimitry Andric    minmax_element(ForwardIterator first, ForwardIterator last, Compare comp);
16980b57cec5SDimitry Andric
16990b57cec5SDimitry Andrictemplate<class T>
1700e8d8bef9SDimitry Andric    constexpr pair<const T&, const T&>  // constexpr in C++14
1701e8d8bef9SDimitry Andric    minmax(const T& a, const T& b);
17020b57cec5SDimitry Andric
17030b57cec5SDimitry Andrictemplate<class T, class Compare>
1704e8d8bef9SDimitry Andric    constexpr pair<const T&, const T&>  // constexpr in C++14
1705e8d8bef9SDimitry Andric    minmax(const T& a, const T& b, Compare comp);
17060b57cec5SDimitry Andric
17070b57cec5SDimitry Andrictemplate<class T>
1708e8d8bef9SDimitry Andric    constexpr pair<T, T>                // constexpr in C++14
1709e8d8bef9SDimitry Andric    minmax(initializer_list<T> t);
17100b57cec5SDimitry Andric
17110b57cec5SDimitry Andrictemplate<class T, class Compare>
1712e8d8bef9SDimitry Andric    constexpr pair<T, T>                // constexpr in C++14
1713e8d8bef9SDimitry Andric    minmax(initializer_list<T> t, Compare comp);
17140b57cec5SDimitry Andric
17150b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2>
17160b57cec5SDimitry Andric    constexpr bool     // constexpr in C++20
17170b57cec5SDimitry Andric    lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2);
17180b57cec5SDimitry Andric
17190b57cec5SDimitry Andrictemplate <class InputIterator1, class InputIterator2, class Compare>
17200b57cec5SDimitry Andric    constexpr bool     // constexpr in C++20
17210b57cec5SDimitry Andric    lexicographical_compare(InputIterator1 first1, InputIterator1 last1,
17220b57cec5SDimitry Andric                            InputIterator2 first2, InputIterator2 last2, Compare comp);
17230b57cec5SDimitry Andric
172406c3fb27SDimitry Andrictemplate<class InputIterator1, class InputIterator2, class Cmp>
172506c3fb27SDimitry Andric    constexpr auto
172606c3fb27SDimitry Andric    lexicographical_compare_three_way(InputIterator1 first1, InputIterator1 last1,
172706c3fb27SDimitry Andric                                      InputIterator2 first2, InputIterator2 last2,
172806c3fb27SDimitry Andric                                      Cmp comp)
172906c3fb27SDimitry Andric      -> decltype(comp(*b1, *b2));                                                        // since C++20
173006c3fb27SDimitry Andric
173106c3fb27SDimitry Andrictemplate<class InputIterator1, class InputIterator2>
173206c3fb27SDimitry Andric    constexpr auto
173306c3fb27SDimitry Andric    lexicographical_compare_three_way(InputIterator1 first1, InputIterator1 last1,
173406c3fb27SDimitry Andric                                      InputIterator2 first2, InputIterator2 last2);      // since C++20
173506c3fb27SDimitry Andric
17360b57cec5SDimitry Andrictemplate <class BidirectionalIterator>
1737e8d8bef9SDimitry Andric    constexpr bool     // constexpr in C++20
17380b57cec5SDimitry Andric    next_permutation(BidirectionalIterator first, BidirectionalIterator last);
17390b57cec5SDimitry Andric
17400b57cec5SDimitry Andrictemplate <class BidirectionalIterator, class Compare>
1741e8d8bef9SDimitry Andric    constexpr bool     // constexpr in C++20
17420b57cec5SDimitry Andric    next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
17430b57cec5SDimitry Andric
17440b57cec5SDimitry Andrictemplate <class BidirectionalIterator>
1745e8d8bef9SDimitry Andric    constexpr bool     // constexpr in C++20
17460b57cec5SDimitry Andric    prev_permutation(BidirectionalIterator first, BidirectionalIterator last);
17470b57cec5SDimitry Andric
17480b57cec5SDimitry Andrictemplate <class BidirectionalIterator, class Compare>
1749e8d8bef9SDimitry Andric    constexpr bool     // constexpr in C++20
17500b57cec5SDimitry Andric    prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp);
17510b57cec5SDimitry Andric}  // std
17520b57cec5SDimitry Andric
17530b57cec5SDimitry Andric*/
17540b57cec5SDimitry Andric
175581ad6265SDimitry Andric#include <__assert> // all public C++ headers provide the assertion handler
17560b57cec5SDimitry Andric#include <__config>
17570b57cec5SDimitry Andric#include <version>
17580b57cec5SDimitry Andric
1759fe6060f1SDimitry Andric#include <__algorithm/adjacent_find.h>
1760fe6060f1SDimitry Andric#include <__algorithm/all_of.h>
1761fe6060f1SDimitry Andric#include <__algorithm/any_of.h>
1762fe6060f1SDimitry Andric#include <__algorithm/binary_search.h>
1763fe6060f1SDimitry Andric#include <__algorithm/clamp.h>
1764fe6060f1SDimitry Andric#include <__algorithm/comp.h>
1765fe6060f1SDimitry Andric#include <__algorithm/comp_ref_type.h>
1766fe6060f1SDimitry Andric#include <__algorithm/copy.h>
1767fe6060f1SDimitry Andric#include <__algorithm/copy_backward.h>
1768fe6060f1SDimitry Andric#include <__algorithm/copy_if.h>
1769fe6060f1SDimitry Andric#include <__algorithm/copy_n.h>
1770fe6060f1SDimitry Andric#include <__algorithm/count.h>
1771fe6060f1SDimitry Andric#include <__algorithm/count_if.h>
1772fe6060f1SDimitry Andric#include <__algorithm/equal.h>
1773fe6060f1SDimitry Andric#include <__algorithm/equal_range.h>
1774fe6060f1SDimitry Andric#include <__algorithm/fill.h>
177504eeddc0SDimitry Andric#include <__algorithm/fill_n.h>
1776fe6060f1SDimitry Andric#include <__algorithm/find.h>
1777fe6060f1SDimitry Andric#include <__algorithm/find_end.h>
1778fe6060f1SDimitry Andric#include <__algorithm/find_first_of.h>
1779fe6060f1SDimitry Andric#include <__algorithm/find_if.h>
1780fe6060f1SDimitry Andric#include <__algorithm/find_if_not.h>
1781fe6060f1SDimitry Andric#include <__algorithm/for_each.h>
1782fe6060f1SDimitry Andric#include <__algorithm/for_each_n.h>
1783fe6060f1SDimitry Andric#include <__algorithm/generate.h>
178404eeddc0SDimitry Andric#include <__algorithm/generate_n.h>
1785fe6060f1SDimitry Andric#include <__algorithm/half_positive.h>
178681ad6265SDimitry Andric#include <__algorithm/in_found_result.h>
178781ad6265SDimitry Andric#include <__algorithm/in_fun_result.h>
17881fd87a68SDimitry Andric#include <__algorithm/in_in_out_result.h>
178904eeddc0SDimitry Andric#include <__algorithm/in_in_result.h>
179081ad6265SDimitry Andric#include <__algorithm/in_out_out_result.h>
179104eeddc0SDimitry Andric#include <__algorithm/in_out_result.h>
1792fe6060f1SDimitry Andric#include <__algorithm/includes.h>
1793fe6060f1SDimitry Andric#include <__algorithm/inplace_merge.h>
1794fe6060f1SDimitry Andric#include <__algorithm/is_heap.h>
1795fe6060f1SDimitry Andric#include <__algorithm/is_heap_until.h>
1796fe6060f1SDimitry Andric#include <__algorithm/is_partitioned.h>
1797fe6060f1SDimitry Andric#include <__algorithm/is_permutation.h>
1798fe6060f1SDimitry Andric#include <__algorithm/is_sorted.h>
1799fe6060f1SDimitry Andric#include <__algorithm/is_sorted_until.h>
1800fe6060f1SDimitry Andric#include <__algorithm/iter_swap.h>
1801fe6060f1SDimitry Andric#include <__algorithm/lexicographical_compare.h>
180206c3fb27SDimitry Andric#include <__algorithm/lexicographical_compare_three_way.h>
1803fe6060f1SDimitry Andric#include <__algorithm/lower_bound.h>
1804fe6060f1SDimitry Andric#include <__algorithm/make_heap.h>
1805fe6060f1SDimitry Andric#include <__algorithm/max.h>
1806fe6060f1SDimitry Andric#include <__algorithm/max_element.h>
1807fe6060f1SDimitry Andric#include <__algorithm/merge.h>
1808fe6060f1SDimitry Andric#include <__algorithm/min.h>
1809fe6060f1SDimitry Andric#include <__algorithm/min_element.h>
181081ad6265SDimitry Andric#include <__algorithm/min_max_result.h>
1811fe6060f1SDimitry Andric#include <__algorithm/minmax.h>
1812fe6060f1SDimitry Andric#include <__algorithm/minmax_element.h>
1813fe6060f1SDimitry Andric#include <__algorithm/mismatch.h>
1814fe6060f1SDimitry Andric#include <__algorithm/move.h>
1815fe6060f1SDimitry Andric#include <__algorithm/move_backward.h>
1816fe6060f1SDimitry Andric#include <__algorithm/next_permutation.h>
1817fe6060f1SDimitry Andric#include <__algorithm/none_of.h>
1818fe6060f1SDimitry Andric#include <__algorithm/nth_element.h>
1819fe6060f1SDimitry Andric#include <__algorithm/partial_sort.h>
1820fe6060f1SDimitry Andric#include <__algorithm/partial_sort_copy.h>
1821fe6060f1SDimitry Andric#include <__algorithm/partition.h>
1822fe6060f1SDimitry Andric#include <__algorithm/partition_copy.h>
1823fe6060f1SDimitry Andric#include <__algorithm/partition_point.h>
1824fe6060f1SDimitry Andric#include <__algorithm/pop_heap.h>
1825fe6060f1SDimitry Andric#include <__algorithm/prev_permutation.h>
182606c3fb27SDimitry Andric#include <__algorithm/pstl_any_all_none_of.h>
182706c3fb27SDimitry Andric#include <__algorithm/pstl_copy.h>
182806c3fb27SDimitry Andric#include <__algorithm/pstl_count.h>
1829*5f757f3fSDimitry Andric#include <__algorithm/pstl_equal.h>
183006c3fb27SDimitry Andric#include <__algorithm/pstl_fill.h>
183106c3fb27SDimitry Andric#include <__algorithm/pstl_find.h>
183206c3fb27SDimitry Andric#include <__algorithm/pstl_for_each.h>
183306c3fb27SDimitry Andric#include <__algorithm/pstl_generate.h>
183406c3fb27SDimitry Andric#include <__algorithm/pstl_is_partitioned.h>
183506c3fb27SDimitry Andric#include <__algorithm/pstl_merge.h>
1836*5f757f3fSDimitry Andric#include <__algorithm/pstl_move.h>
183706c3fb27SDimitry Andric#include <__algorithm/pstl_replace.h>
1838*5f757f3fSDimitry Andric#include <__algorithm/pstl_rotate_copy.h>
183906c3fb27SDimitry Andric#include <__algorithm/pstl_sort.h>
184006c3fb27SDimitry Andric#include <__algorithm/pstl_stable_sort.h>
184106c3fb27SDimitry Andric#include <__algorithm/pstl_transform.h>
1842fe6060f1SDimitry Andric#include <__algorithm/push_heap.h>
184381ad6265SDimitry Andric#include <__algorithm/ranges_adjacent_find.h>
184481ad6265SDimitry Andric#include <__algorithm/ranges_all_of.h>
184581ad6265SDimitry Andric#include <__algorithm/ranges_any_of.h>
184681ad6265SDimitry Andric#include <__algorithm/ranges_binary_search.h>
184761cfbce3SDimitry Andric#include <__algorithm/ranges_clamp.h>
184881ad6265SDimitry Andric#include <__algorithm/ranges_copy.h>
184981ad6265SDimitry Andric#include <__algorithm/ranges_copy_backward.h>
185081ad6265SDimitry Andric#include <__algorithm/ranges_copy_if.h>
185181ad6265SDimitry Andric#include <__algorithm/ranges_copy_n.h>
185281ad6265SDimitry Andric#include <__algorithm/ranges_count.h>
185381ad6265SDimitry Andric#include <__algorithm/ranges_count_if.h>
1854*5f757f3fSDimitry Andric#include <__algorithm/ranges_ends_with.h>
185581ad6265SDimitry Andric#include <__algorithm/ranges_equal.h>
1856fcaf7f86SDimitry Andric#include <__algorithm/ranges_equal_range.h>
185781ad6265SDimitry Andric#include <__algorithm/ranges_fill.h>
185881ad6265SDimitry Andric#include <__algorithm/ranges_fill_n.h>
185981ad6265SDimitry Andric#include <__algorithm/ranges_find.h>
1860753f127fSDimitry Andric#include <__algorithm/ranges_find_end.h>
186181ad6265SDimitry Andric#include <__algorithm/ranges_find_first_of.h>
186281ad6265SDimitry Andric#include <__algorithm/ranges_find_if.h>
186381ad6265SDimitry Andric#include <__algorithm/ranges_find_if_not.h>
186481ad6265SDimitry Andric#include <__algorithm/ranges_for_each.h>
186581ad6265SDimitry Andric#include <__algorithm/ranges_for_each_n.h>
1866972a253aSDimitry Andric#include <__algorithm/ranges_generate.h>
1867972a253aSDimitry Andric#include <__algorithm/ranges_generate_n.h>
1868fcaf7f86SDimitry Andric#include <__algorithm/ranges_includes.h>
186961cfbce3SDimitry Andric#include <__algorithm/ranges_inplace_merge.h>
1870972a253aSDimitry Andric#include <__algorithm/ranges_is_heap.h>
1871972a253aSDimitry Andric#include <__algorithm/ranges_is_heap_until.h>
187281ad6265SDimitry Andric#include <__algorithm/ranges_is_partitioned.h>
187361cfbce3SDimitry Andric#include <__algorithm/ranges_is_permutation.h>
187481ad6265SDimitry Andric#include <__algorithm/ranges_is_sorted.h>
187581ad6265SDimitry Andric#include <__algorithm/ranges_is_sorted_until.h>
187681ad6265SDimitry Andric#include <__algorithm/ranges_lexicographical_compare.h>
187781ad6265SDimitry Andric#include <__algorithm/ranges_lower_bound.h>
1878753f127fSDimitry Andric#include <__algorithm/ranges_make_heap.h>
187981ad6265SDimitry Andric#include <__algorithm/ranges_max.h>
188081ad6265SDimitry Andric#include <__algorithm/ranges_max_element.h>
1881753f127fSDimitry Andric#include <__algorithm/ranges_merge.h>
188281ad6265SDimitry Andric#include <__algorithm/ranges_min.h>
188381ad6265SDimitry Andric#include <__algorithm/ranges_min_element.h>
188481ad6265SDimitry Andric#include <__algorithm/ranges_minmax.h>
188581ad6265SDimitry Andric#include <__algorithm/ranges_minmax_element.h>
188681ad6265SDimitry Andric#include <__algorithm/ranges_mismatch.h>
188781ad6265SDimitry Andric#include <__algorithm/ranges_move.h>
188881ad6265SDimitry Andric#include <__algorithm/ranges_move_backward.h>
188961cfbce3SDimitry Andric#include <__algorithm/ranges_next_permutation.h>
189081ad6265SDimitry Andric#include <__algorithm/ranges_none_of.h>
1891753f127fSDimitry Andric#include <__algorithm/ranges_nth_element.h>
1892fcaf7f86SDimitry Andric#include <__algorithm/ranges_partial_sort.h>
189361cfbce3SDimitry Andric#include <__algorithm/ranges_partial_sort_copy.h>
1894fcaf7f86SDimitry Andric#include <__algorithm/ranges_partition.h>
1895fcaf7f86SDimitry Andric#include <__algorithm/ranges_partition_copy.h>
1896fcaf7f86SDimitry Andric#include <__algorithm/ranges_partition_point.h>
1897753f127fSDimitry Andric#include <__algorithm/ranges_pop_heap.h>
189861cfbce3SDimitry Andric#include <__algorithm/ranges_prev_permutation.h>
1899753f127fSDimitry Andric#include <__algorithm/ranges_push_heap.h>
1900753f127fSDimitry Andric#include <__algorithm/ranges_remove.h>
190161cfbce3SDimitry Andric#include <__algorithm/ranges_remove_copy.h>
190261cfbce3SDimitry Andric#include <__algorithm/ranges_remove_copy_if.h>
1903753f127fSDimitry Andric#include <__algorithm/ranges_remove_if.h>
190481ad6265SDimitry Andric#include <__algorithm/ranges_replace.h>
190561cfbce3SDimitry Andric#include <__algorithm/ranges_replace_copy.h>
190661cfbce3SDimitry Andric#include <__algorithm/ranges_replace_copy_if.h>
190781ad6265SDimitry Andric#include <__algorithm/ranges_replace_if.h>
190881ad6265SDimitry Andric#include <__algorithm/ranges_reverse.h>
1909753f127fSDimitry Andric#include <__algorithm/ranges_reverse_copy.h>
191061cfbce3SDimitry Andric#include <__algorithm/ranges_rotate.h>
1911753f127fSDimitry Andric#include <__algorithm/ranges_rotate_copy.h>
191261cfbce3SDimitry Andric#include <__algorithm/ranges_sample.h>
1913753f127fSDimitry Andric#include <__algorithm/ranges_search.h>
1914753f127fSDimitry Andric#include <__algorithm/ranges_search_n.h>
1915753f127fSDimitry Andric#include <__algorithm/ranges_set_difference.h>
1916753f127fSDimitry Andric#include <__algorithm/ranges_set_intersection.h>
1917753f127fSDimitry Andric#include <__algorithm/ranges_set_symmetric_difference.h>
1918fcaf7f86SDimitry Andric#include <__algorithm/ranges_set_union.h>
1919fcaf7f86SDimitry Andric#include <__algorithm/ranges_shuffle.h>
192081ad6265SDimitry Andric#include <__algorithm/ranges_sort.h>
1921753f127fSDimitry Andric#include <__algorithm/ranges_sort_heap.h>
1922fcaf7f86SDimitry Andric#include <__algorithm/ranges_stable_partition.h>
192381ad6265SDimitry Andric#include <__algorithm/ranges_stable_sort.h>
192406c3fb27SDimitry Andric#include <__algorithm/ranges_starts_with.h>
192581ad6265SDimitry Andric#include <__algorithm/ranges_swap_ranges.h>
192681ad6265SDimitry Andric#include <__algorithm/ranges_transform.h>
192761cfbce3SDimitry Andric#include <__algorithm/ranges_unique.h>
192861cfbce3SDimitry Andric#include <__algorithm/ranges_unique_copy.h>
192981ad6265SDimitry Andric#include <__algorithm/ranges_upper_bound.h>
1930fe6060f1SDimitry Andric#include <__algorithm/remove.h>
1931fe6060f1SDimitry Andric#include <__algorithm/remove_copy.h>
1932fe6060f1SDimitry Andric#include <__algorithm/remove_copy_if.h>
1933fe6060f1SDimitry Andric#include <__algorithm/remove_if.h>
1934fe6060f1SDimitry Andric#include <__algorithm/replace.h>
1935fe6060f1SDimitry Andric#include <__algorithm/replace_copy.h>
1936fe6060f1SDimitry Andric#include <__algorithm/replace_copy_if.h>
1937fe6060f1SDimitry Andric#include <__algorithm/replace_if.h>
1938fe6060f1SDimitry Andric#include <__algorithm/reverse.h>
1939fe6060f1SDimitry Andric#include <__algorithm/reverse_copy.h>
1940fe6060f1SDimitry Andric#include <__algorithm/rotate.h>
1941fe6060f1SDimitry Andric#include <__algorithm/rotate_copy.h>
1942fe6060f1SDimitry Andric#include <__algorithm/sample.h>
1943fe6060f1SDimitry Andric#include <__algorithm/search.h>
1944fe6060f1SDimitry Andric#include <__algorithm/search_n.h>
1945fe6060f1SDimitry Andric#include <__algorithm/set_difference.h>
1946fe6060f1SDimitry Andric#include <__algorithm/set_intersection.h>
1947fe6060f1SDimitry Andric#include <__algorithm/set_symmetric_difference.h>
1948fe6060f1SDimitry Andric#include <__algorithm/set_union.h>
1949fe6060f1SDimitry Andric#include <__algorithm/shift_left.h>
1950fe6060f1SDimitry Andric#include <__algorithm/shift_right.h>
1951fe6060f1SDimitry Andric#include <__algorithm/shuffle.h>
1952fe6060f1SDimitry Andric#include <__algorithm/sift_down.h>
1953fe6060f1SDimitry Andric#include <__algorithm/sort.h>
1954fe6060f1SDimitry Andric#include <__algorithm/sort_heap.h>
1955fe6060f1SDimitry Andric#include <__algorithm/stable_partition.h>
1956fe6060f1SDimitry Andric#include <__algorithm/stable_sort.h>
1957fe6060f1SDimitry Andric#include <__algorithm/swap_ranges.h>
1958fe6060f1SDimitry Andric#include <__algorithm/transform.h>
1959fe6060f1SDimitry Andric#include <__algorithm/unique.h>
196004eeddc0SDimitry Andric#include <__algorithm/unique_copy.h>
1961fe6060f1SDimitry Andric#include <__algorithm/unwrap_iter.h>
1962fe6060f1SDimitry Andric#include <__algorithm/upper_bound.h>
19630b57cec5SDimitry Andric
196481ad6265SDimitry Andric// standard-mandated includes
1965bdd1243dSDimitry Andric
1966bdd1243dSDimitry Andric// [algorithm.syn]
196781ad6265SDimitry Andric#include <initializer_list>
196881ad6265SDimitry Andric
19690b57cec5SDimitry Andric#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
19700b57cec5SDimitry Andric#  pragma GCC system_header
19710b57cec5SDimitry Andric#endif
19720b57cec5SDimitry Andric
1973bdd1243dSDimitry Andric#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
1974bdd1243dSDimitry Andric#  include <atomic>
197506c3fb27SDimitry Andric#  include <bit>
1976bdd1243dSDimitry Andric#  include <concepts>
197706c3fb27SDimitry Andric#  include <cstdlib>
1978bdd1243dSDimitry Andric#  include <cstring>
1979bdd1243dSDimitry Andric#  include <iterator>
1980bdd1243dSDimitry Andric#  include <memory>
1981bdd1243dSDimitry Andric#  include <stdexcept>
198206c3fb27SDimitry Andric#  include <type_traits>
1983bdd1243dSDimitry Andric#  include <utility>
1984bdd1243dSDimitry Andric#endif
1985bdd1243dSDimitry Andric
19860b57cec5SDimitry Andric#endif // _LIBCPP_ALGORITHM
1987