|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef _LIBCPP_ALGORITHM | 
|  | #define _LIBCPP_ALGORITHM | 
|  |  | 
|  | /* | 
|  | algorithm synopsis | 
|  |  | 
|  | #include <initializer_list> | 
|  |  | 
|  | namespace std | 
|  | { | 
|  |  | 
|  | namespace ranges { | 
|  |  | 
|  | // [algorithms.results], algorithm result types | 
|  | template <class I, class F> | 
|  | struct in_fun_result;                // since C++20 | 
|  |  | 
|  | template <class I1, class I2> | 
|  | struct in_in_result;                 // since C++20 | 
|  |  | 
|  | template <class I, class O> | 
|  | struct in_out_result;                // since C++20 | 
|  |  | 
|  | template <class I1, class I2, class O> | 
|  | struct in_in_out_result;             // since C++20 | 
|  |  | 
|  | template <class I, class O1, class O2> | 
|  | struct in_out_out_result;            // since C++20 | 
|  |  | 
|  | template <class I1, class I2> | 
|  | struct min_max_result;               // since C++20 | 
|  |  | 
|  | template <class I> | 
|  | struct in_found_result;              // since C++20 | 
|  |  | 
|  | template <class I, class T> | 
|  | struct in_value_result;              // since C++23 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less>                                   // since C++20 | 
|  | constexpr I min_element(I first, S last, Comp comp = {}, Proj proj = {}); | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less>                       // since C++20 | 
|  | constexpr borrowed_iterator_t<R> min_element(R&& r, Comp comp = {}, Proj proj = {}); | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr I ranges::max_element(I first, S last, Comp comp = {}, Proj proj = {});                       // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr borrowed_iterator_t<R> ranges::max_element(R&& r, Comp comp = {}, Proj proj = {});            // since C++20 | 
|  |  | 
|  | template<class I1, class I2> | 
|  | using mismatch_result = in_in_result<I1, I2>; | 
|  |  | 
|  | template <input_iterator I1, sentinel_for<_I1> S1, input_iterator I2, sentinel_for<_I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr mismatch_result<_I1, _I2>                                                                     // since C++20 | 
|  | mismatch()(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {}) | 
|  |  | 
|  | template <input_range R1, input_range R2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr mismatch_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>> | 
|  | mismatch(R1&& r1, R2&& r2, Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {})                          // since C++20 | 
|  |  | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> | 
|  | constexpr I find(I first, S last, const T& value, Proj proj = {});                                    // since C++20 | 
|  |  | 
|  | template<input_range R, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | find(R&& r, const T& value, Proj proj = {});                                                        // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr I find_if(I first, S last, Pred pred, Proj proj = {});                                      // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | find_if(R&& r, Pred pred, Proj proj = {});                                                          // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr I find_if_not(I first, S last, Pred pred, Proj proj = {});                                  // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | find_if_not(R&& r, Pred pred, Proj proj = {});                                                      // since C++20 | 
|  |  | 
|  | template<class T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr const T& min(const T& a, const T& b, Comp comp = {}, Proj proj = {});                       // since C++20 | 
|  |  | 
|  | template<copyable T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr T min(initializer_list<T> r, Comp comp = {}, Proj proj = {});                               // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> | 
|  | constexpr range_value_t<R> | 
|  | min(R&& r, Comp comp = {}, Proj proj = {});                                                          // since C++20 | 
|  |  | 
|  | template<class T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr const T& max(const T& a, const T& b, Comp comp = {}, Proj proj = {});                       // since C++20 | 
|  |  | 
|  | template<copyable T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr T max(initializer_list<T> r, Comp comp = {}, Proj proj = {});                               // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> | 
|  | constexpr range_value_t<R> | 
|  | max(R&& r, Comp comp = {}, Proj proj = {});                                                         // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using unary_transform_result = in_out_result<I, O>;                                                   // since C++20 | 
|  |  | 
|  | template<class I1, class I2, class O> | 
|  | using binary_transform_result = in_in_out_result<I1, I2, O>;                                          // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, | 
|  | copy_constructible F, class Proj = identity> | 
|  | requires indirectly_writable<O, indirect_result_t<F&, projected<I, Proj>>> | 
|  | constexpr ranges::unary_transform_result<I, O> | 
|  | transform(I first1, S last1, O result, F op, Proj proj = {});                                       // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, copy_constructible F, | 
|  | class Proj = identity> | 
|  | requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R>, Proj>>> | 
|  | constexpr ranges::unary_transform_result<borrowed_iterator_t<R>, O> | 
|  | transform(R&& r, O result, F op, Proj proj = {});                                                   // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, copy_constructible F, class Proj1 = identity, | 
|  | class Proj2 = identity> | 
|  | requires indirectly_writable<O, indirect_result_t<F&, projected<I1, Proj1>, | 
|  | projected<I2, Proj2>>> | 
|  | constexpr ranges::binary_transform_result<I1, I2, O> | 
|  | transform(I1 first1, S1 last1, I2 first2, S2 last2, O result, | 
|  | F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, weakly_incrementable O, | 
|  | copy_constructible F, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_writable<O, indirect_result_t<F&, projected<iterator_t<R1>, Proj1>, | 
|  | projected<iterator_t<R2>, Proj2>>> | 
|  | constexpr ranges::binary_transform_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> | 
|  | transform(R1&& r1, R2&& r2, O result, | 
|  | F binary_op, Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> | 
|  | constexpr iter_difference_t<I> | 
|  | count(I first, S last, const T& value, Proj proj = {});                                             // since C++20 | 
|  |  | 
|  | template<input_range R, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> | 
|  | constexpr range_difference_t<R> | 
|  | count(R&& r, const T& value, Proj proj = {});                                                       // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr iter_difference_t<I> | 
|  | count_if(I first, S last, Pred pred, Proj proj = {});                                               // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr range_difference_t<R> | 
|  | count_if(R&& r, Pred pred, Proj proj = {});                                                         // since C++20 | 
|  |  | 
|  | template<class T> | 
|  | using minmax_result = min_max_result<T>; | 
|  |  | 
|  | template<class T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr ranges::minmax_result<const T&> | 
|  | minmax(const T& a, const T& b, Comp comp = {}, Proj proj = {});                                     // since C++20 | 
|  |  | 
|  | template<copyable T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr ranges::minmax_result<T> | 
|  | minmax(initializer_list<T> r, Comp comp = {}, Proj proj = {});                                      // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | requires indirectly_copyable_storable<iterator_t<R>, range_value_t<R>*> | 
|  | constexpr ranges::minmax_result<range_value_t<R>> | 
|  | minmax(R&& r, Comp comp = {}, Proj proj = {});                                                      // since C++20 | 
|  |  | 
|  | template<class I> | 
|  | using minmax_element_result = min_max_result<I>; | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr ranges::minmax_element_result<I> | 
|  | minmax_element(I first, S last, Comp comp = {}, Proj proj = {});                                    // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr ranges::minmax_element_result<borrowed_iterator_t<R>> | 
|  | minmax_element(R&& r, Comp comp = {}, Proj proj = {});                                              // since C++20 | 
|  |  | 
|  | template<forward_iterator I1, sentinel_for<I1> S1, | 
|  | forward_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr bool contains_subrange(I1 first1, S1 last1, I2 first2, S2 last2, | 
|  | Pred pred = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                // since C++23 | 
|  |  | 
|  | template<forward_range R1, forward_range R2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr bool contains_subrange(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                // since C++23 | 
|  |  | 
|  | template<class I, class O> | 
|  | using copy_result = in_out_result<I, O>;                                                // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using copy_n_result = in_out_result<I, O>;                                              // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using copy_if_result = in_out_result<I, O>;                                             // since C++20 | 
|  |  | 
|  | template<class I1, class I2> | 
|  | using copy_backward_result = in_out_result<I1, I2>;                                     // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> | 
|  | constexpr bool ranges::contains(I first, S last, const T& value, Proj proj = {});       // since C++23 | 
|  |  | 
|  | template<input_range R, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> | 
|  | constexpr bool ranges::contains(R&& r, const T& value, Proj proj = {});                 // since C++23 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr ranges::copy_result<I, O> ranges::copy(I first, S last, O result);            // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr ranges::copy_result<borrowed_iterator_t<R>, O> ranges::copy(R&& r, O result); // since C++20 | 
|  |  | 
|  | template<input_iterator I, weakly_incrementable O> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr ranges::copy_n_result<I, O> | 
|  | ranges::copy_n(I first, iter_difference_t<I> n, O result);                            // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr ranges::copy_if_result<I, O> | 
|  | ranges::copy_if(I first, S last, O result, Pred pred, Proj proj = {});                // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr ranges::copy_if_result<borrowed_iterator_t<R>, O> | 
|  | ranges::copy_if(R&& r, O result, Pred pred, Proj proj = {});                          // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2> | 
|  | requires indirectly_copyable<I1, I2> | 
|  | constexpr ranges::copy_backward_result<I1, I2> | 
|  | ranges::copy_backward(I1 first, S1 last, I2 result);                                  // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, bidirectional_iterator I> | 
|  | requires indirectly_copyable<iterator_t<R>, I> | 
|  | constexpr ranges::copy_backward_result<borrowed_iterator_t<R>, I> | 
|  | ranges::copy_backward(R&& r, I result);                                               // since C++20 | 
|  |  | 
|  | template<class I, class F> | 
|  | using for_each_result = in_fun_result<I, F>;                                            // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirectly_unary_invocable<projected<I, Proj>> Fun> | 
|  | constexpr ranges::for_each_result<I, Fun> | 
|  | ranges::for_each(I first, S last, Fun f, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirectly_unary_invocable<projected<iterator_t<R>, Proj>> Fun> | 
|  | constexpr ranges::for_each_result<borrowed_iterator_t<R>, Fun> | 
|  | ranges::for_each(R&& r, Fun f, Proj proj = {});                                       // since C++20 | 
|  |  | 
|  | template<input_iterator I, class Proj = identity, | 
|  | indirectly_unary_invocable<projected<I, Proj>> Fun> | 
|  | constexpr ranges::for_each_n_result<I, Fun> | 
|  | ranges::for_each_n(I first, iter_difference_t<I> n, Fun f, Proj proj = {});           // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr bool ranges::is_partitioned(I first, S last, Pred pred, Proj proj = {});      // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr bool ranges::is_partitioned(R&& r, Pred pred, Proj proj = {});                // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::push_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::push_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::pop_heap(I first, S last, Comp comp = {}, Proj proj = {});                    // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::pop_heap(R&& r, Comp comp = {}, Proj proj = {});                              // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::make_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::make_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::sort_heap(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::sort_heap(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr bool is_heap(I first, S last, Comp comp = {}, Proj proj = {});                // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr bool is_heap(R&& r, Comp comp = {}, Proj proj = {});                          // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr I is_heap_until(I first, S last, Comp comp = {}, Proj proj = {});             // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | is_heap_until(R&& r, Comp comp = {}, Proj proj = {});                                 // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S> | 
|  | requires permutable<I> | 
|  | constexpr I ranges::reverse(I first, S last);                                           // since C++20 | 
|  |  | 
|  | template<bidirectional_range R> | 
|  | requires permutable<iterator_t<R>> | 
|  | constexpr borrowed_iterator_t<R> ranges::reverse(R&& r);                                // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::sort(I first, S last, Comp comp = {}, Proj proj = {});                        // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::sort(R&& r, Comp comp = {}, Proj proj = {});                                  // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | I ranges::stable_sort(I first, S last, Comp comp = {}, Proj proj = {});                 // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | borrowed_iterator_t<R> | 
|  | ranges::stable_sort(R&& r, Comp comp = {}, Proj proj = {});                           // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::partial_sort(I first, I middle, S last, Comp comp = {}, Proj proj = {});      // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::partial_sort(R&& r, iterator_t<R> middle, Comp comp = {}, Proj proj = {});    // since C++20 | 
|  |  | 
|  | template<class T, output_iterator<const T&> O, sentinel_for<O> S> | 
|  | constexpr O ranges::fill(O first, S last, const T& value);                              // since C++20 | 
|  |  | 
|  | template<class T, output_range<const T&> R> | 
|  | constexpr borrowed_iterator_t<R> ranges::fill(R&& r, const T& value);                   // since C++20 | 
|  |  | 
|  | template<class T, output_iterator<const T&> O> | 
|  | constexpr O ranges::fill_n(O first, iter_difference_t<O> n, const T& value);            // since C++20 | 
|  |  | 
|  | template<input_or_output_iterator O, sentinel_for<O> S, copy_constructible F> | 
|  | requires invocable<F&> && indirectly_writable<O, invoke_result_t<F&>> | 
|  | constexpr O generate(O first, S last, F gen);                                           // since C++20 | 
|  |  | 
|  | template<class ExecutionPolicy, class ForwardIterator, class Generator> | 
|  | void generate(ExecutionPolicy&& exec, | 
|  | ForwardIterator first, ForwardIterator last, | 
|  | Generator gen);                                                           // since C++17 | 
|  |  | 
|  | template<class R, copy_constructible F> | 
|  | requires invocable<F&> && output_range<R, invoke_result_t<F&>> | 
|  | constexpr borrowed_iterator_t<R> generate(R&& r, F gen);                                // since C++20 | 
|  |  | 
|  | template<input_or_output_iterator O, copy_constructible F> | 
|  | requires invocable<F&> && indirectly_writable<O, invoke_result_t<F&>> | 
|  | constexpr O generate_n(O first, iter_difference_t<O> n, F gen);                         // since C++20 | 
|  |  | 
|  | template<class ExecutionPolicy, class ForwardIterator, class Size, class Generator> | 
|  | ForwardIterator generate_n(ExecutionPolicy&& exec, | 
|  | ForwardIterator first, Size n, Generator gen);               // since C++17 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::equal(I1 first1, S1 last1, I2 first2, S2 last2, | 
|  | Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                        // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, class Pred = ranges::equal_to, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::equal(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                        // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr bool ranges::all_of(I first, S last, Pred pred, Proj proj = {});              // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr bool ranges::all_of(R&& r, Pred pred, Proj proj = {});                        // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr bool ranges::any_of(I first, S last, Pred pred, Proj proj = {});              // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr bool ranges::any_of(R&& r, Pred pred, Proj proj = {});                        // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires (forward_iterator<I1> || sized_sentinel_for<S1, I1>) && | 
|  | (forward_iterator<I2> || sized_sentinel_for<S2, I2>) && | 
|  | indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::ends_with(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                     // since C++23 | 
|  |  | 
|  | template<input_range R1, input_range R2, class Pred = ranges::equal_to, class Proj1 = identity, | 
|  | class Proj2 = identity> | 
|  | requires (forward_range<R1> || sized_range<R1>) && | 
|  | (forward_range<R2> || sized_range<R2>) && | 
|  | indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::ends_with(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                     // since C++23 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr bool ranges::none_of(I first, S last, Pred pred, Proj proj = {});             // since C++20 | 
|  |  | 
|  | template<input_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr bool ranges::none_of(R&& r, Pred pred, Proj proj = {});                       // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::starts_with(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                 // since C++23 | 
|  |  | 
|  | template<input_range R1, input_range R2, class Pred = ranges::equal_to, class Proj1 = identity, | 
|  | class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr bool ranges::starts_with(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                // since C++23 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, | 
|  | random_access_iterator I2, sentinel_for<I2> S2, | 
|  | class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_copyable<I1, I2> && sortable<I2, Comp, Proj2> && | 
|  | indirect_strict_weak_order<Comp, projected<I1, Proj1>, projected<I2, Proj2>> | 
|  | constexpr partial_sort_copy_result<I1, I2> | 
|  | partial_sort_copy(I1 first, S1 last, I2 result_first, S2 result_last, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                // since C++20 | 
|  |  | 
|  | template<input_range R1, random_access_range R2, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_copyable<iterator_t<R1>, iterator_t<R2>> && | 
|  | sortable<iterator_t<R2>, Comp, Proj2> && | 
|  | indirect_strict_weak_order<Comp, projected<iterator_t<R1>, Proj1>, | 
|  | projected<iterator_t<R2>, Proj2>> | 
|  | constexpr partial_sort_copy_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>> | 
|  | partial_sort_copy(R1&& r, R2&& result_r, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr bool ranges::is_sorted(I first, S last, Comp comp = {}, Proj proj = {});      // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr bool ranges::is_sorted(R&& r, Comp comp = {}, Proj proj = {});                // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr I ranges::is_sorted_until(I first, S last, Comp comp = {}, Proj proj = {});   // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R>, Proj>> Comp = ranges::less> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::is_sorted_until(R&& r, Comp comp = {}, Proj proj = {});                       // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr I | 
|  | ranges::nth_element(I first, I nth, S last, Comp comp = {}, Proj proj = {});          // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::nth_element(R&& r, iterator_t<R> nth, Comp comp = {}, Proj proj = {});        // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less>    // since C++20 | 
|  | constexpr I upper_bound(I first, S last, const T& value, Comp comp = {}, Proj proj = {}); | 
|  |  | 
|  | template<forward_range R, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = | 
|  | ranges::less> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | upper_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr I lower_bound(I first, S last, const T& value, Comp comp = {}, | 
|  | Proj proj = {});                                        // since C++20 | 
|  | template<forward_range R, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = | 
|  | ranges::less> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | lower_bound(R&& r, const T& value, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr bool binary_search(I first, S last, const T& value, Comp comp = {}, | 
|  | Proj proj = {});                                   // since C++20 | 
|  |  | 
|  | template<forward_range R, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = | 
|  | ranges::less> | 
|  | constexpr bool binary_search(R&& r, const T& value, Comp comp = {}, | 
|  | Proj proj = {});                                   // since C++20 | 
|  |  | 
|  | template<permutable I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr subrange<I> | 
|  | partition(I first, S last, Pred pred, Proj proj = {});                                // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires permutable<iterator_t<R>> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | partition(R&& r, Pred pred, Proj proj = {});                                          // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires permutable<I> | 
|  | subrange<I> stable_partition(I first, S last, Pred pred, Proj proj = {});               // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires permutable<iterator_t<R>> | 
|  | borrowed_subrange_t<R> stable_partition(R&& r, Pred pred, Proj proj = {});              // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr I1 ranges::find_first_of(I1 first1, S1 last1, I2 first2, S2 last2, | 
|  | Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                 // since C++20 | 
|  |  | 
|  | template<input_range R1, forward_range R2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr borrowed_iterator_t<R1> | 
|  | ranges::find_first_of(R1&& r1, R2&& r2, | 
|  | Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                            // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_binary_predicate<projected<I, Proj>, | 
|  | projected<I, Proj>> Pred = ranges::equal_to> | 
|  | constexpr I ranges::adjacent_find(I first, S last, Pred pred = {}, Proj proj = {});     // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_binary_predicate<projected<iterator_t<R>, Proj>, | 
|  | projected<iterator_t<R>, Proj>> Pred = ranges::equal_to> | 
|  | constexpr borrowed_iterator_t<R> ranges::adjacent_find(R&& r, Pred pred = {}, Proj proj = {});  // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T1, class T2, class Proj = identity> | 
|  | requires indirectly_writable<I, const T2&> && | 
|  | indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T1*> | 
|  | constexpr I | 
|  | ranges::replace(I first, S last, const T1& old_value, const T2& new_value, Proj proj = {});   // since C++20 | 
|  |  | 
|  | template<input_range R, class T1, class T2, class Proj = identity> | 
|  | requires indirectly_writable<iterator_t<R>, const T2&> && | 
|  | indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T1*> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::replace(R&& r, const T1& old_value, const T2& new_value, Proj proj = {});             // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires indirectly_writable<I, const T&> | 
|  | constexpr I ranges::replace_if(I first, S last, Pred pred, const T& new_value, Proj proj = {}); // since C++20 | 
|  |  | 
|  | template<input_range R, class T, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires indirectly_writable<iterator_t<R>, const T&> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | ranges::replace_if(R&& r, Pred pred, const T& new_value, Proj proj = {});                     // since C++20 | 
|  |  | 
|  | template<class T, class Proj = identity, | 
|  | indirect_strict_weak_order<projected<const T*, Proj>> Comp = ranges::less> | 
|  | constexpr const T& | 
|  | ranges::clamp(const T& v, const T& lo, const T& hi, Comp comp = {}, Proj proj = {});          // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | class Proj1 = identity, class Proj2 = identity, | 
|  | indirect_strict_weak_order<projected<I1, Proj1>, | 
|  | projected<I2, Proj2>> Comp = ranges::less> | 
|  | constexpr bool | 
|  | ranges::lexicographical_compare(I1 first1, S1 last1, I2 first2, S2 last2, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});          // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, class Proj1 = identity, | 
|  | class Proj2 = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>, | 
|  | projected<iterator_t<R2>, Proj2>> Comp = ranges::less> | 
|  | constexpr bool | 
|  | ranges::lexicographical_compare(R1&& r1, R2&& r2, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                          // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I1, sentinel_for<I1> S1, bidirectional_iterator I2> | 
|  | requires indirectly_movable<I1, I2> | 
|  | constexpr ranges::move_backward_result<I1, I2> | 
|  | ranges::move_backward(I1 first, S1 last, I2 result);                                          // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, bidirectional_iterator I> | 
|  | requires indirectly_movable<iterator_t<R>, I> | 
|  | constexpr ranges::move_backward_result<borrowed_iterator_t<R>, I> | 
|  | ranges::move_backward(R&& r, I result);                                                       // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O> | 
|  | requires indirectly_movable<I, O> | 
|  | constexpr ranges::move_result<I, O> | 
|  | ranges::move(I first, S last, O result);                                                      // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O> | 
|  | requires indirectly_movable<iterator_t<R>, O> | 
|  | constexpr ranges::move_result<borrowed_iterator_t<R>, O> | 
|  | ranges::move(R&& r, O result);                                                                // since C++20 | 
|  |  | 
|  | template<class I, class O1, class O2> | 
|  | using partition_copy_result = in_out_out_result<I, O1, O2>;                                   // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, | 
|  | weakly_incrementable O1, weakly_incrementable O2, | 
|  | class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires indirectly_copyable<I, O1> && indirectly_copyable<I, O2> | 
|  | constexpr partition_copy_result<I, O1, O2> | 
|  | partition_copy(I first, S last, O1 out_true, O2 out_false, Pred pred, | 
|  | Proj proj = {});                                                                // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O1, weakly_incrementable O2, | 
|  | class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires indirectly_copyable<iterator_t<R>, O1> && | 
|  | indirectly_copyable<iterator_t<R>, O2> | 
|  | constexpr partition_copy_result<borrowed_iterator_t<R>, O1, O2> | 
|  | partition_copy(R&& r, O1 out_true, O2 out_false, Pred pred, Proj proj = {});                  // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr I partition_point(I first, S last, Pred pred, Proj proj = {});                        // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | constexpr borrowed_iterator_t<R> | 
|  | partition_point(R&& r, Pred pred, Proj proj = {});                                            // since C++20 | 
|  |  | 
|  | template<class I1, class I2, class O> | 
|  | using merge_result = in_in_out_result<I1, I2, O>;                                               // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, class Proj1 = identity, | 
|  | class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr merge_result<I1, I2, O> | 
|  | merge(I1 first1, S1 last1, I2 first2, S2 last2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                                    // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> | 
|  | constexpr merge_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> | 
|  | merge(R1&& r1, R2&& r2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                                    // since C++20 | 
|  |  | 
|  | template<permutable I, sentinel_for<I> S, class T, class Proj = identity> | 
|  | requires indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> | 
|  | constexpr subrange<I> ranges::remove(I first, S last, const T& value, Proj proj = {});          // since C++20 | 
|  |  | 
|  | template<forward_range R, class T, class Proj = identity> | 
|  | requires permutable<iterator_t<R>> && | 
|  | indirect_binary_predicate<ranges::equal_to, projected<iterator_t<R>, Proj>, const T*> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | ranges::remove(R&& r, const T& value, Proj proj = {});                                        // since C++20 | 
|  |  | 
|  | template<permutable I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | constexpr subrange<I> ranges::remove_if(I first, S last, Pred pred, Proj proj = {});            // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires permutable<iterator_t<R>> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | ranges::remove_if(R&& r, Pred pred, Proj proj = {});                                          // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using set_difference_result = in_out_result<I, O>;                                              // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr set_difference_result<I1, O> | 
|  | set_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                           // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, weakly_incrementable O, | 
|  | class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> | 
|  | constexpr set_difference_result<borrowed_iterator_t<R1>, O> | 
|  | set_difference(R1&& r1, R2&& r2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                           // since C++20 | 
|  |  | 
|  | template<class I1, class I2, class O> | 
|  | using set_intersection_result = in_in_out_result<I1, I2, O>;                                    // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr set_intersection_result<I1, I2, O> | 
|  | set_intersection(I1 first1, S1 last1, I2 first2, S2 last2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                         // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr set_intersection_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> | 
|  | set_intersection(R1&& r1, R2&& r2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, Proj2 proj2 = {});                         // since C++20 | 
|  |  | 
|  | template <class _InIter, class _OutIter> | 
|  | using reverse_copy_result = in_out_result<_InIter, _OutIter>;                                     // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S, weakly_incrementable O> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr ranges::reverse_copy_result<I, O> | 
|  | ranges::reverse_copy(I first, S last, O result);                                              // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, weakly_incrementable O> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr ranges::reverse_copy_result<borrowed_iterator_t<R>, O> | 
|  | ranges::reverse_copy(R&& r, O result);                                                        // since C++20 | 
|  |  | 
|  | template<permutable I, sentinel_for<I> S> | 
|  | constexpr subrange<I> rotate(I first, I middle, S last);                                        // since C++20 | 
|  |  | 
|  | template<forward_range R> | 
|  | requires permutable<iterator_t<R>> | 
|  | constexpr borrowed_subrange_t<R> rotate(R&& r, iterator_t<R> middle);                           // since C++20 | 
|  |  | 
|  | template <class _InIter, class _OutIter> | 
|  | using rotate_copy_result = in_out_result<_InIter, _OutIter>;                                      // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, weakly_incrementable O> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr ranges::rotate_copy_result<I, O> | 
|  | ranges::rotate_copy(I first, I middle, S last, O result);                                     // since C++20 | 
|  |  | 
|  | template<forward_range R, weakly_incrementable O> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr ranges::rotate_copy_result<borrowed_iterator_t<R>, O> | 
|  | ranges::rotate_copy(R&& r, iterator_t<R> middle, O result);                                   // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Gen> | 
|  | requires (forward_iterator<I> || random_access_iterator<O>) && | 
|  | indirectly_copyable<I, O> && | 
|  | uniform_random_bit_generator<remove_reference_t<Gen>> | 
|  | O sample(I first, S last, O out, iter_difference_t<I> n, Gen&& g);                              // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, class Gen> | 
|  | requires (forward_range<R> || random_access_iterator<O>) && | 
|  | indirectly_copyable<iterator_t<R>, O> && | 
|  | uniform_random_bit_generator<remove_reference_t<Gen>> | 
|  | O sample(R&& r, O out, range_difference_t<R> n, Gen&& g);                                       // since C++20 | 
|  |  | 
|  | template<random_access_iterator I, sentinel_for<I> S, class Gen> | 
|  | requires permutable<I> && | 
|  | uniform_random_bit_generator<remove_reference_t<Gen>> | 
|  | I shuffle(I first, S last, Gen&& g);                                                            // since C++20 | 
|  |  | 
|  | template<random_access_range R, class Gen> | 
|  | requires permutable<iterator_t<R>> && | 
|  | uniform_random_bit_generator<remove_reference_t<Gen>> | 
|  | borrowed_iterator_t<R> shuffle(R&& r, Gen&& g);                                                 // since C++20 | 
|  |  | 
|  | template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, | 
|  | sentinel_for<I2> S2, class Proj1 = identity, class Proj2 = identity, | 
|  | indirect_equivalence_relation<projected<I1, Proj1>, | 
|  | projected<I2, Proj2>> Pred = ranges::equal_to> | 
|  | constexpr bool ranges::is_permutation(I1 first1, S1 last1, I2 first2, S2 last2, | 
|  | Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                       // since C++20 | 
|  |  | 
|  | template<forward_range R1, forward_range R2, | 
|  | class Proj1 = identity, class Proj2 = identity, | 
|  | indirect_equivalence_relation<projected<iterator_t<R1>, Proj1>, | 
|  | projected<iterator_t<R2>, Proj2>> Pred = ranges::equal_to> | 
|  | constexpr bool ranges::is_permutation(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                       // since C++20 | 
|  |  | 
|  | template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, | 
|  | sentinel_for<I2> S2, class Pred = ranges::equal_to, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr subrange<I1> | 
|  | ranges::search(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                           // since C++20 | 
|  |  | 
|  | template<forward_range R1, forward_range R2, class Pred = ranges::equal_to, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr borrowed_subrange_t<R1> | 
|  | ranges::search(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                           // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class T, | 
|  | class Pred = ranges::equal_to, class Proj = identity> | 
|  | requires indirectly_comparable<I, const T*, Pred, Proj> | 
|  | constexpr subrange<I> | 
|  | ranges::search_n(I first, S last, iter_difference_t<I> count, | 
|  | const T& value, Pred pred = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<forward_range R, class T, class Pred = ranges::equal_to, | 
|  | class Proj = identity> | 
|  | requires indirectly_comparable<iterator_t<R>, const T*, Pred, Proj> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | ranges::search_n(R&& r, range_difference_t<R> count, | 
|  | const T& value, Pred pred = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, | 
|  | indirectly-binary-left-foldable<T, I> F> | 
|  | constexpr auto ranges::fold_left(I first, S last, T init, F f);                                 // since C++23 | 
|  |  | 
|  | template<input_range R, class T, indirectly-binary-left-foldable<T, iterator_t<R>> F> | 
|  | constexpr auto fold_left(R&& r, T init, F f);                                                   // since C++23 | 
|  |  | 
|  | template<class I, class T> | 
|  | using fold_left_with_iter_result = in_value_result<I, T>;                                       // since C++23 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, | 
|  | indirectly-binary-left-foldable<T, I> F> | 
|  | constexpr see below fold_left_with_iter(I first, S last, T init, F f);                          // since C++23 | 
|  |  | 
|  | template<input_range R, class T, indirectly-binary-left-foldable<T, iterator_t<R>> F> | 
|  | constexpr see below fold_left_with_iter(R&& r, T init, F f);                                    // since C++23 | 
|  |  | 
|  | template<forward_iterator I1, sentinel_for<I1> S1, forward_iterator I2, sentinel_for<I2> S2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<I1, I2, Pred, Proj1, Proj2> | 
|  | constexpr subrange<I1> | 
|  | ranges::find_end(I1 first1, S1 last1, I2 first2, S2 last2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                         // since C++20 | 
|  |  | 
|  | template<forward_range R1, forward_range R2, | 
|  | class Pred = ranges::equal_to, class Proj1 = identity, class Proj2 = identity> | 
|  | requires indirectly_comparable<iterator_t<R1>, iterator_t<R2>, Pred, Proj1, Proj2> | 
|  | constexpr borrowed_subrange_t<R1> | 
|  | ranges::find_end(R1&& r1, R2&& r2, Pred pred = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                         // since C++20 | 
|  |  | 
|  | template<class I1, class I2, class O> | 
|  | using set_symmetric_difference_result = in_in_out_result<I1, I2, O>;                            // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr set_symmetric_difference_result<I1, I2, O> | 
|  | set_symmetric_difference(I1 first1, S1 last1, I2 first2, S2 last2, O result, | 
|  | Comp comp = {}, Proj1 proj1 = {}, | 
|  | Proj2 proj2 = {});                                                   // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, weakly_incrementable O, | 
|  | class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> | 
|  | constexpr set_symmetric_difference_result<borrowed_iterator_t<R1>, | 
|  | borrowed_iterator_t<R2>, O> | 
|  | set_symmetric_difference(R1&& r1, R2&& r2, O result, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                 // since C++20 | 
|  |  | 
|  | template<forward_iterator I, sentinel_for<I> S, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<I, Proj>> Comp = ranges::less> | 
|  | constexpr subrange<I> | 
|  | equal_range(I first, S last, const T& value, Comp comp = {}, Proj proj = {});                 // since C++20 | 
|  |  | 
|  | template<forward_range R, class T, class Proj = identity, | 
|  | indirect_strict_weak_order<const T*, projected<iterator_t<R>, Proj>> Comp = | 
|  | ranges::less> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | equal_range(R&& r, const T& value, Comp comp = {}, Proj proj = {});                           // since C++20 | 
|  |  | 
|  | template<class I1, class I2, class O> | 
|  | using set_union_result = in_in_out_result<I1, I2, O>;                                           // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | weakly_incrementable O, class Comp = ranges::less, | 
|  | class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<I1, I2, O, Comp, Proj1, Proj2> | 
|  | constexpr set_union_result<I1, I2, O> | 
|  | set_union(I1 first1, S1 last1, I2 first2, S2 last2, O result, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                                // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, weakly_incrementable O, | 
|  | class Comp = ranges::less, class Proj1 = identity, class Proj2 = identity> | 
|  | requires mergeable<iterator_t<R1>, iterator_t<R2>, O, Comp, Proj1, Proj2> | 
|  | constexpr set_union_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>, O> | 
|  | set_union(R1&& r1, R2&& r2, O result, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                                // since C++20 | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2, | 
|  | class Proj1 = identity, class Proj2 = identity, | 
|  | indirect_strict_weak_order<projected<I1, Proj1>, projected<I2, Proj2>> Comp = | 
|  | ranges::less> | 
|  | constexpr bool includes(I1 first1, S1 last1, I2 first2, S2 last2, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                   // since C++20 | 
|  |  | 
|  | template<input_range R1, input_range R2, class Proj1 = identity, | 
|  | class Proj2 = identity, | 
|  | indirect_strict_weak_order<projected<iterator_t<R1>, Proj1>, | 
|  | projected<iterator_t<R2>, Proj2>> Comp = ranges::less> | 
|  | constexpr bool includes(R1&& r1, R2&& r2, Comp comp = {}, | 
|  | Proj1 proj1 = {}, Proj2 proj2 = {});                                   // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | I inplace_merge(I first, I middle, S last, Comp comp = {}, Proj proj = {});                    // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, class Comp = ranges::less, class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | borrowed_iterator_t<R> | 
|  | inplace_merge(R&& r, iterator_t<R> middle, Comp comp = {}, | 
|  | Proj proj = {});                                                               // since C++20 | 
|  |  | 
|  | template<permutable I, sentinel_for<I> S, class Proj = identity, | 
|  | indirect_equivalence_relation<projected<I, Proj>> C = ranges::equal_to> | 
|  | constexpr subrange<I> unique(I first, S last, C comp = {}, Proj proj = {});                    // since C++20 | 
|  |  | 
|  | template<forward_range R, class Proj = identity, | 
|  | indirect_equivalence_relation<projected<iterator_t<R>, Proj>> C = ranges::equal_to> | 
|  | requires permutable<iterator_t<R>> | 
|  | constexpr borrowed_subrange_t<R> | 
|  | unique(R&& r, C comp = {}, Proj proj = {});                                                  // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class Proj = identity, | 
|  | indirect_equivalence_relation<projected<I, Proj>> C = ranges::equal_to> | 
|  | requires indirectly_copyable<I, O> && | 
|  | (forward_iterator<I> || | 
|  | (input_iterator<O> && same_as<iter_value_t<I>, iter_value_t<O>>) || | 
|  | indirectly_copyable_storable<I, O>) | 
|  | constexpr unique_copy_result<I, O> | 
|  | unique_copy(I first, S last, O result, C comp = {}, Proj proj = {});                         // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, class Proj = identity, | 
|  | indirect_equivalence_relation<projected<iterator_t<R>, Proj>> C = ranges::equal_to> | 
|  | requires indirectly_copyable<iterator_t<R>, O> && | 
|  | (forward_iterator<iterator_t<R>> || | 
|  | (input_iterator<O> && same_as<range_value_t<R>, iter_value_t<O>>) || | 
|  | indirectly_copyable_storable<iterator_t<R>, O>) | 
|  | constexpr unique_copy_result<borrowed_iterator_t<R>, O> | 
|  | unique_copy(R&& r, O result, C comp = {}, Proj proj = {});                                   // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using remove_copy_result = in_out_result<I, O>;                                              // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class T, | 
|  | class Proj = identity> | 
|  | indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*> | 
|  | constexpr remove_copy_result<I, O> | 
|  | remove_copy(I first, S last, O result, const T& value, Proj proj = {});                      // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, class T, class Proj = identity> | 
|  | requires indirectly_copyable<iterator_t<R>, O> && | 
|  | indirect_binary_predicate<ranges::equal_to, | 
|  | projected<iterator_t<R>, Proj>, const T*> | 
|  | constexpr remove_copy_result<borrowed_iterator_t<R>, O> | 
|  | remove_copy(R&& r, O result, const T& value, Proj proj = {});                                // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using remove_copy_if_result = in_out_result<I, O>;                                           // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, | 
|  | class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr remove_copy_if_result<I, O> | 
|  | remove_copy_if(I first, S last, O result, Pred pred, Proj proj = {});                        // since C++20 | 
|  |  | 
|  | template<input_range R, weakly_incrementable O, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr remove_copy_if_result<borrowed_iterator_t<R>, O> | 
|  | remove_copy_if(R&& r, O result, Pred pred, Proj proj = {});                                  // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using replace_copy_result = in_out_result<I, O>;                                             // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T1, class T2, | 
|  | output_iterator<const T2&> O, class Proj = identity> | 
|  | requires indirectly_copyable<I, O> && | 
|  | indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T1*> | 
|  | constexpr replace_copy_result<I, O> | 
|  | replace_copy(I first, S last, O result, const T1& old_value, const T2& new_value, | 
|  | Proj proj = {});                                                                // since C++20 | 
|  |  | 
|  | template<input_range R, class T1, class T2, output_iterator<const T2&> O, | 
|  | class Proj = identity> | 
|  | requires indirectly_copyable<iterator_t<R>, O> && | 
|  | indirect_binary_predicate<ranges::equal_to, | 
|  | projected<iterator_t<R>, Proj>, const T1*> | 
|  | constexpr replace_copy_result<borrowed_iterator_t<R>, O> | 
|  | replace_copy(R&& r, O result, const T1& old_value, const T2& new_value, | 
|  | Proj proj = {});                                                                // since C++20 | 
|  |  | 
|  | template<class I, class O> | 
|  | using replace_copy_if_result = in_out_result<I, O>;                                          // since C++20 | 
|  |  | 
|  | template<input_iterator I, sentinel_for<I> S, class T, output_iterator<const T&> O, | 
|  | class Proj = identity, indirect_unary_predicate<projected<I, Proj>> Pred> | 
|  | requires indirectly_copyable<I, O> | 
|  | constexpr replace_copy_if_result<I, O> | 
|  | replace_copy_if(I first, S last, O result, Pred pred, const T& new_value, | 
|  | Proj proj = {});                                                             // since C++20 | 
|  |  | 
|  | template<input_range R, class T, output_iterator<const T&> O, class Proj = identity, | 
|  | indirect_unary_predicate<projected<iterator_t<R>, Proj>> Pred> | 
|  | requires indirectly_copyable<iterator_t<R>, O> | 
|  | constexpr replace_copy_if_result<borrowed_iterator_t<R>, O> | 
|  | replace_copy_if(R&& r, O result, Pred pred, const T& new_value, | 
|  | Proj proj = {});                                                             // since C++20 | 
|  |  | 
|  | template<class I> | 
|  | using prev_permutation_result = in_found_result<I>;                                            // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr ranges::prev_permutation_result<I> | 
|  | ranges::prev_permutation(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr ranges::prev_permutation_result<borrowed_iterator_t<R>> | 
|  | ranges::prev_permutation(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | template<class I> | 
|  | using next_permutation_result = in_found_result<I>;                                            // since C++20 | 
|  |  | 
|  | template<bidirectional_iterator I, sentinel_for<I> S, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<I, Comp, Proj> | 
|  | constexpr ranges::next_permutation_result<I> | 
|  | ranges::next_permutation(I first, S last, Comp comp = {}, Proj proj = {});                   // since C++20 | 
|  |  | 
|  | template<bidirectional_range R, class Comp = ranges::less, | 
|  | class Proj = identity> | 
|  | requires sortable<iterator_t<R>, Comp, Proj> | 
|  | constexpr ranges::next_permutation_result<borrowed_iterator_t<R>> | 
|  | ranges::next_permutation(R&& r, Comp comp = {}, Proj proj = {});                             // since C++20 | 
|  |  | 
|  | } | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | all_of(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | any_of(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | none_of(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator, class Function> | 
|  | constexpr Function          // constexpr in C++20 | 
|  | for_each(InputIterator first, InputIterator last, Function f); | 
|  |  | 
|  | template<class InputIterator, class Size, class Function> | 
|  | constexpr InputIterator     // constexpr in C++20 | 
|  | for_each_n(InputIterator first, Size n, Function f); // C++17 | 
|  |  | 
|  | template <class InputIterator, class T> | 
|  | constexpr InputIterator     // constexpr in C++20 | 
|  | find(InputIterator first, InputIterator last, const T& value); | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr InputIterator     // constexpr in C++20 | 
|  | find_if(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template<class InputIterator, class Predicate> | 
|  | constexpr InputIterator     // constexpr in C++20 | 
|  | find_if_not(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr ForwardIterator1  // constexpr in C++20 | 
|  | find_end(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> | 
|  | constexpr ForwardIterator1  // constexpr in C++20 | 
|  | find_end(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr ForwardIterator1  // constexpr in C++20 | 
|  | find_first_of(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> | 
|  | constexpr ForwardIterator1  // constexpr in C++20 | 
|  | find_first_of(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr ForwardIterator   // constexpr in C++20 | 
|  | adjacent_find(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class BinaryPredicate> | 
|  | constexpr ForwardIterator   // constexpr in C++20 | 
|  | adjacent_find(ForwardIterator first, ForwardIterator last, BinaryPredicate pred); | 
|  |  | 
|  | template <class InputIterator, class T> | 
|  | constexpr typename iterator_traits<InputIterator>::difference_type  // constexpr in C++20 | 
|  | count(InputIterator first, InputIterator last, const T& value); | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr typename iterator_traits<InputIterator>::difference_type // constexpr in C++20 | 
|  | count_if(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20 | 
|  | mismatch(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20 | 
|  | mismatch(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2); // **C++14** | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class BinaryPredicate> | 
|  | constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20 | 
|  | mismatch(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, BinaryPredicate pred); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class BinaryPredicate> | 
|  | constexpr pair<InputIterator1, InputIterator2>   // constexpr in C++20 | 
|  | mismatch(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, | 
|  | BinaryPredicate pred); // **C++14** | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | equal(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | equal(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2); // **C++14** | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class BinaryPredicate> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | equal(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, BinaryPredicate pred); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class BinaryPredicate> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | equal(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, | 
|  | BinaryPredicate pred); // **C++14** | 
|  |  | 
|  | template<class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2); | 
|  |  | 
|  | template<class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2); // **C++14** | 
|  |  | 
|  | template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, BinaryPredicate pred); | 
|  |  | 
|  | template<class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> | 
|  | constexpr bool      // constexpr in C++20 | 
|  | is_permutation(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2, | 
|  | BinaryPredicate pred);  // **C++14** | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr ForwardIterator1      // constexpr in C++20 | 
|  | search(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2, class BinaryPredicate> | 
|  | constexpr ForwardIterator1      // constexpr in C++20 | 
|  | search(ForwardIterator1 first1, ForwardIterator1 last1, | 
|  | ForwardIterator2 first2, ForwardIterator2 last2, BinaryPredicate pred); | 
|  |  | 
|  | template <class ForwardIterator, class Size, class T> | 
|  | constexpr ForwardIterator       // constexpr in C++20 | 
|  | search_n(ForwardIterator first, ForwardIterator last, Size count, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class Size, class T, class BinaryPredicate> | 
|  | constexpr ForwardIterator       // constexpr in C++20 | 
|  | search_n(ForwardIterator first, ForwardIterator last, | 
|  | Size count, const T& value, BinaryPredicate pred); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | copy(InputIterator first, InputIterator last, OutputIterator result); | 
|  |  | 
|  | template<class InputIterator, class OutputIterator, class Predicate> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | copy_if(InputIterator first, InputIterator last, | 
|  | OutputIterator result, Predicate pred); | 
|  |  | 
|  | template<class InputIterator, class Size, class OutputIterator> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | copy_n(InputIterator first, Size n, OutputIterator result); | 
|  |  | 
|  | template <class BidirectionalIterator1, class BidirectionalIterator2> | 
|  | constexpr BidirectionalIterator2      // constexpr in C++20 | 
|  | copy_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, | 
|  | BidirectionalIterator2 result); | 
|  |  | 
|  | // [alg.move], move | 
|  | template<class InputIterator, class OutputIterator> | 
|  | constexpr OutputIterator move(InputIterator first, InputIterator last, | 
|  | OutputIterator result); | 
|  |  | 
|  | template<class BidirectionalIterator1, class BidirectionalIterator2> | 
|  | constexpr BidirectionalIterator2 | 
|  | move_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, | 
|  | BidirectionalIterator2 result); | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr ForwardIterator2    // constexpr in C++20 | 
|  | swap_ranges(ForwardIterator1 first1, ForwardIterator1 last1, ForwardIterator2 first2); | 
|  |  | 
|  | namespace ranges { | 
|  | template<class I1, class I2> | 
|  | using swap_ranges_result = in_in_result<I1, I2>; | 
|  |  | 
|  | template<input_iterator I1, sentinel_for<I1> S1, input_iterator I2, sentinel_for<I2> S2> | 
|  | requires indirectly_swappable<I1, I2> | 
|  | constexpr ranges::swap_ranges_result<I1, I2> | 
|  | swap_ranges(I1 first1, S1 last1, I2 first2, S2 last2); | 
|  |  | 
|  | template<input_range R1, input_range R2> | 
|  | requires indirectly_swappable<iterator_t<R1>, iterator_t<R2>> | 
|  | constexpr ranges::swap_ranges_result<borrowed_iterator_t<R1>, borrowed_iterator_t<R2>> | 
|  | swap_ranges(R1&& r1, R2&& r2); | 
|  | } | 
|  |  | 
|  | template <class ForwardIterator1, class ForwardIterator2> | 
|  | constexpr void                // constexpr in C++20 | 
|  | iter_swap(ForwardIterator1 a, ForwardIterator2 b); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class UnaryOperation> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | transform(InputIterator first, InputIterator last, OutputIterator result, UnaryOperation op); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class BinaryOperation> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | transform(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, | 
|  | OutputIterator result, BinaryOperation binary_op); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr void      // constexpr in C++20 | 
|  | replace(ForwardIterator first, ForwardIterator last, const T& old_value, const T& new_value); | 
|  |  | 
|  | template <class ForwardIterator, class Predicate, class T> | 
|  | constexpr void      // constexpr in C++20 | 
|  | replace_if(ForwardIterator first, ForwardIterator last, Predicate pred, const T& new_value); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class T> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | replace_copy(InputIterator first, InputIterator last, OutputIterator result, | 
|  | const T& old_value, const T& new_value); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class Predicate, class T> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | replace_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred, const T& new_value); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr void      // constexpr in C++20 | 
|  | fill(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class OutputIterator, class Size, class T> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | fill_n(OutputIterator first, Size n, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class Generator> | 
|  | constexpr void      // constexpr in C++20 | 
|  | generate(ForwardIterator first, ForwardIterator last, Generator gen); | 
|  |  | 
|  | template <class OutputIterator, class Size, class Generator> | 
|  | constexpr OutputIterator      // constexpr in C++20 | 
|  | generate_n(OutputIterator first, Size n, Generator gen); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr ForwardIterator     // constexpr in C++20 | 
|  | remove(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class Predicate> | 
|  | constexpr ForwardIterator     // constexpr in C++20 | 
|  | remove_if(ForwardIterator first, ForwardIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class T> | 
|  | constexpr OutputIterator     // constexpr in C++20 | 
|  | remove_copy(InputIterator first, InputIterator last, OutputIterator result, const T& value); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class Predicate> | 
|  | constexpr OutputIterator     // constexpr in C++20 | 
|  | remove_copy_if(InputIterator first, InputIterator last, OutputIterator result, Predicate pred); | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr ForwardIterator    // constexpr in C++20 | 
|  | unique(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class BinaryPredicate> | 
|  | constexpr ForwardIterator    // constexpr in C++20 | 
|  | unique(ForwardIterator first, ForwardIterator last, BinaryPredicate pred); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator> | 
|  | constexpr OutputIterator     // constexpr in C++20 | 
|  | unique_copy(InputIterator first, InputIterator last, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator, class BinaryPredicate> | 
|  | constexpr OutputIterator     // constexpr in C++20 | 
|  | unique_copy(InputIterator first, InputIterator last, OutputIterator result, BinaryPredicate pred); | 
|  |  | 
|  | template <class BidirectionalIterator> | 
|  | constexpr void               // constexpr in C++20 | 
|  | reverse(BidirectionalIterator first, BidirectionalIterator last); | 
|  |  | 
|  | template <class BidirectionalIterator, class OutputIterator> | 
|  | constexpr OutputIterator       // constexpr in C++20 | 
|  | reverse_copy(BidirectionalIterator first, BidirectionalIterator last, OutputIterator result); | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr ForwardIterator      // constexpr in C++20 | 
|  | rotate(ForwardIterator first, ForwardIterator middle, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class OutputIterator> | 
|  | constexpr OutputIterator       // constexpr in C++20 | 
|  | rotate_copy(ForwardIterator first, ForwardIterator middle, ForwardIterator last, OutputIterator result); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | void | 
|  | random_shuffle(RandomAccessIterator first, RandomAccessIterator last); // deprecated in C++14, removed in C++17 | 
|  |  | 
|  | template <class RandomAccessIterator, class RandomNumberGenerator> | 
|  | void | 
|  | random_shuffle(RandomAccessIterator first, RandomAccessIterator last, | 
|  | RandomNumberGenerator& rand);  // deprecated in C++14, removed in C++17 | 
|  |  | 
|  | template<class PopulationIterator, class SampleIterator, | 
|  | class Distance, class UniformRandomBitGenerator> | 
|  | SampleIterator sample(PopulationIterator first, PopulationIterator last, | 
|  | SampleIterator out, Distance n, | 
|  | UniformRandomBitGenerator&& g); // C++17 | 
|  |  | 
|  | template<class RandomAccessIterator, class UniformRandomNumberGenerator> | 
|  | void shuffle(RandomAccessIterator first, RandomAccessIterator last, | 
|  | UniformRandomNumberGenerator&& g); | 
|  |  | 
|  | template<class ForwardIterator> | 
|  | constexpr ForwardIterator | 
|  | shift_left(ForwardIterator first, ForwardIterator last, | 
|  | typename iterator_traits<ForwardIterator>::difference_type n); // C++20 | 
|  |  | 
|  | template<class ForwardIterator> | 
|  | constexpr ForwardIterator | 
|  | shift_right(ForwardIterator first, ForwardIterator last, | 
|  | typename iterator_traits<ForwardIterator>::difference_type n); // C++20 | 
|  |  | 
|  | template <class InputIterator, class Predicate> | 
|  | constexpr bool  // constexpr in C++20 | 
|  | is_partitioned(InputIterator first, InputIterator last, Predicate pred); | 
|  |  | 
|  | template <class ForwardIterator, class Predicate> | 
|  | constexpr ForwardIterator  // constexpr in C++20 | 
|  | partition(ForwardIterator first, ForwardIterator last, Predicate pred); | 
|  |  | 
|  | template <class InputIterator, class OutputIterator1, | 
|  | class OutputIterator2, class Predicate> | 
|  | constexpr pair<OutputIterator1, OutputIterator2>   // constexpr in C++20 | 
|  | partition_copy(InputIterator first, InputIterator last, | 
|  | OutputIterator1 out_true, OutputIterator2 out_false, | 
|  | Predicate pred); | 
|  |  | 
|  | template <class ForwardIterator, class Predicate> | 
|  | ForwardIterator | 
|  | stable_partition(ForwardIterator first, ForwardIterator last, Predicate pred); | 
|  |  | 
|  | template<class ForwardIterator, class Predicate> | 
|  | constexpr ForwardIterator  // constexpr in C++20 | 
|  | partition_point(ForwardIterator first, ForwardIterator last, Predicate pred); | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr bool  // constexpr in C++20 | 
|  | is_sorted(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class Compare> | 
|  | constexpr bool  // constexpr in C++20 | 
|  | is_sorted(ForwardIterator first, ForwardIterator last, Compare comp); | 
|  |  | 
|  | template<class ForwardIterator> | 
|  | constexpr ForwardIterator    // constexpr in C++20 | 
|  | is_sorted_until(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class Compare> | 
|  | constexpr ForwardIterator    // constexpr in C++20 | 
|  | is_sorted_until(ForwardIterator first, ForwardIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void               // constexpr in C++20 | 
|  | sort(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void               // constexpr in C++20 | 
|  | sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | void | 
|  | stable_sort(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | void | 
|  | stable_sort(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                    // constexpr in C++20 | 
|  | partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                    // constexpr in C++20 | 
|  | partial_sort(RandomAccessIterator first, RandomAccessIterator middle, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class InputIterator, class RandomAccessIterator> | 
|  | constexpr RandomAccessIterator    // constexpr in C++20 | 
|  | partial_sort_copy(InputIterator first, InputIterator last, | 
|  | RandomAccessIterator result_first, RandomAccessIterator result_last); | 
|  |  | 
|  | template <class InputIterator, class RandomAccessIterator, class Compare> | 
|  | constexpr RandomAccessIterator    // constexpr in C++20 | 
|  | partial_sort_copy(InputIterator first, InputIterator last, | 
|  | RandomAccessIterator result_first, RandomAccessIterator result_last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                    // constexpr in C++20 | 
|  | nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                    // constexpr in C++20 | 
|  | nth_element(RandomAccessIterator first, RandomAccessIterator nth, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr ForwardIterator                         // constexpr in C++20 | 
|  | lower_bound(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class T, class Compare> | 
|  | constexpr ForwardIterator                         // constexpr in C++20 | 
|  | lower_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr ForwardIterator                         // constexpr in C++20 | 
|  | upper_bound(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class T, class Compare> | 
|  | constexpr ForwardIterator                         // constexpr in C++20 | 
|  | upper_bound(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20 | 
|  | equal_range(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class T, class Compare> | 
|  | constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++20 | 
|  | equal_range(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); | 
|  |  | 
|  | template <class ForwardIterator, class T> | 
|  | constexpr bool                                    // constexpr in C++20 | 
|  | binary_search(ForwardIterator first, ForwardIterator last, const T& value); | 
|  |  | 
|  | template <class ForwardIterator, class T, class Compare> | 
|  | constexpr bool                                    // constexpr in C++20 | 
|  | binary_search(ForwardIterator first, ForwardIterator last, const T& value, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator> | 
|  | constexpr OutputIterator                          // constexpr in C++20 | 
|  | merge(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> | 
|  | constexpr OutputIterator                          // constexpr in C++20 | 
|  | merge(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); | 
|  |  | 
|  | template <class BidirectionalIterator> | 
|  | void | 
|  | inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last); | 
|  |  | 
|  | template <class BidirectionalIterator, class Compare> | 
|  | void | 
|  | inplace_merge(BidirectionalIterator first, BidirectionalIterator middle, BidirectionalIterator last, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr bool                                    // constexpr in C++20 | 
|  | includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class Compare> | 
|  | constexpr bool                                    // constexpr in C++20 | 
|  | includes(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator> | 
|  | constexpr OutputIterator                          // constexpr in C++20 | 
|  | set_union(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> | 
|  | constexpr OutputIterator                          // constexpr in C++20 | 
|  | set_union(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_intersection(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_intersection(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_difference(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_difference(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_symmetric_difference(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class OutputIterator, class Compare> | 
|  | constexpr OutputIterator                         // constexpr in C++20 | 
|  | set_symmetric_difference(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, OutputIterator result, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | push_heap(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | push_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | pop_heap(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | pop_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | make_heap(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | make_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | sort_heap(RandomAccessIterator first, RandomAccessIterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr void                                   // constexpr in C++20 | 
|  | sort_heap(RandomAccessIterator first, RandomAccessIterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr bool   // constexpr in C++20 | 
|  | is_heap(RandomAccessIterator first, RandomAccessiterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr bool   // constexpr in C++20 | 
|  | is_heap(RandomAccessIterator first, RandomAccessiterator last, Compare comp); | 
|  |  | 
|  | template <class RandomAccessIterator> | 
|  | constexpr RandomAccessIterator   // constexpr in C++20 | 
|  | is_heap_until(RandomAccessIterator first, RandomAccessiterator last); | 
|  |  | 
|  | template <class RandomAccessIterator, class Compare> | 
|  | constexpr RandomAccessIterator   // constexpr in C++20 | 
|  | is_heap_until(RandomAccessIterator first, RandomAccessiterator last, Compare comp); | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr ForwardIterator        // constexpr in C++14 | 
|  | min_element(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class Compare> | 
|  | constexpr ForwardIterator        // constexpr in C++14 | 
|  | min_element(ForwardIterator first, ForwardIterator last, Compare comp); | 
|  |  | 
|  | template <class T> | 
|  | constexpr const T&               // constexpr in C++14 | 
|  | min(const T& a, const T& b); | 
|  |  | 
|  | template <class T, class Compare> | 
|  | constexpr const T&               // constexpr in C++14 | 
|  | min(const T& a, const T& b, Compare comp); | 
|  |  | 
|  | template<class T> | 
|  | constexpr T                      // constexpr in C++14 | 
|  | min(initializer_list<T> t); | 
|  |  | 
|  | template<class T, class Compare> | 
|  | constexpr T                      // constexpr in C++14 | 
|  | min(initializer_list<T> t, Compare comp); | 
|  |  | 
|  | template<class T> | 
|  | constexpr const T& clamp(const T& v, const T& lo, const T& hi);               // C++17 | 
|  |  | 
|  | template<class T, class Compare> | 
|  | constexpr const T& clamp(const T& v, const T& lo, const T& hi, Compare comp); // C++17 | 
|  |  | 
|  | template <class ForwardIterator> | 
|  | constexpr ForwardIterator        // constexpr in C++14 | 
|  | max_element(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template <class ForwardIterator, class Compare> | 
|  | constexpr ForwardIterator        // constexpr in C++14 | 
|  | max_element(ForwardIterator first, ForwardIterator last, Compare comp); | 
|  |  | 
|  | template <class T> | 
|  | constexpr const T&               // constexpr in C++14 | 
|  | max(const T& a, const T& b); | 
|  |  | 
|  | template <class T, class Compare> | 
|  | constexpr const T&               // constexpr in C++14 | 
|  | max(const T& a, const T& b, Compare comp); | 
|  |  | 
|  | template<class T> | 
|  | constexpr T                      // constexpr in C++14 | 
|  | max(initializer_list<T> t); | 
|  |  | 
|  | template<class T, class Compare> | 
|  | constexpr T                      // constexpr in C++14 | 
|  | max(initializer_list<T> t, Compare comp); | 
|  |  | 
|  | template<class ForwardIterator> | 
|  | constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14 | 
|  | minmax_element(ForwardIterator first, ForwardIterator last); | 
|  |  | 
|  | template<class ForwardIterator, class Compare> | 
|  | constexpr pair<ForwardIterator, ForwardIterator>  // constexpr in C++14 | 
|  | minmax_element(ForwardIterator first, ForwardIterator last, Compare comp); | 
|  |  | 
|  | template<class T> | 
|  | constexpr pair<const T&, const T&>  // constexpr in C++14 | 
|  | minmax(const T& a, const T& b); | 
|  |  | 
|  | template<class T, class Compare> | 
|  | constexpr pair<const T&, const T&>  // constexpr in C++14 | 
|  | minmax(const T& a, const T& b, Compare comp); | 
|  |  | 
|  | template<class T> | 
|  | constexpr pair<T, T>                // constexpr in C++14 | 
|  | minmax(initializer_list<T> t); | 
|  |  | 
|  | template<class T, class Compare> | 
|  | constexpr pair<T, T>                // constexpr in C++14 | 
|  | minmax(initializer_list<T> t, Compare comp); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | lexicographical_compare(InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, InputIterator2 last2); | 
|  |  | 
|  | template <class InputIterator1, class InputIterator2, class Compare> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | lexicographical_compare(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, Compare comp); | 
|  |  | 
|  | template<class InputIterator1, class InputIterator2, class Cmp> | 
|  | constexpr auto | 
|  | lexicographical_compare_three_way(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2, | 
|  | Cmp comp) | 
|  | -> decltype(comp(*b1, *b2));                                                        // since C++20 | 
|  |  | 
|  | template<class InputIterator1, class InputIterator2> | 
|  | constexpr auto | 
|  | lexicographical_compare_three_way(InputIterator1 first1, InputIterator1 last1, | 
|  | InputIterator2 first2, InputIterator2 last2);      // since C++20 | 
|  |  | 
|  | template <class BidirectionalIterator> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | next_permutation(BidirectionalIterator first, BidirectionalIterator last); | 
|  |  | 
|  | template <class BidirectionalIterator, class Compare> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | next_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp); | 
|  |  | 
|  | template <class BidirectionalIterator> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | prev_permutation(BidirectionalIterator first, BidirectionalIterator last); | 
|  |  | 
|  | template <class BidirectionalIterator, class Compare> | 
|  | constexpr bool     // constexpr in C++20 | 
|  | prev_permutation(BidirectionalIterator first, BidirectionalIterator last, Compare comp); | 
|  | }  // std | 
|  |  | 
|  | */ | 
|  |  | 
|  | #include <__config> | 
|  | #include <version> | 
|  |  | 
|  | #include <__algorithm/adjacent_find.h> | 
|  | #include <__algorithm/all_of.h> | 
|  | #include <__algorithm/any_of.h> | 
|  | #include <__algorithm/binary_search.h> | 
|  | #include <__algorithm/clamp.h> | 
|  | #include <__algorithm/comp.h> | 
|  | #include <__algorithm/comp_ref_type.h> | 
|  | #include <__algorithm/copy.h> | 
|  | #include <__algorithm/copy_backward.h> | 
|  | #include <__algorithm/copy_if.h> | 
|  | #include <__algorithm/copy_n.h> | 
|  | #include <__algorithm/count.h> | 
|  | #include <__algorithm/count_if.h> | 
|  | #include <__algorithm/equal.h> | 
|  | #include <__algorithm/equal_range.h> | 
|  | #include <__algorithm/fill.h> | 
|  | #include <__algorithm/fill_n.h> | 
|  | #include <__algorithm/find.h> | 
|  | #include <__algorithm/find_end.h> | 
|  | #include <__algorithm/find_first_of.h> | 
|  | #include <__algorithm/find_if.h> | 
|  | #include <__algorithm/find_if_not.h> | 
|  | #include <__algorithm/fold.h> | 
|  | #include <__algorithm/for_each.h> | 
|  | #include <__algorithm/for_each_n.h> | 
|  | #include <__algorithm/generate.h> | 
|  | #include <__algorithm/generate_n.h> | 
|  | #include <__algorithm/half_positive.h> | 
|  | #include <__algorithm/in_found_result.h> | 
|  | #include <__algorithm/in_fun_result.h> | 
|  | #include <__algorithm/in_in_out_result.h> | 
|  | #include <__algorithm/in_in_result.h> | 
|  | #include <__algorithm/in_out_out_result.h> | 
|  | #include <__algorithm/in_out_result.h> | 
|  | #include <__algorithm/includes.h> | 
|  | #include <__algorithm/inplace_merge.h> | 
|  | #include <__algorithm/is_heap.h> | 
|  | #include <__algorithm/is_heap_until.h> | 
|  | #include <__algorithm/is_partitioned.h> | 
|  | #include <__algorithm/is_permutation.h> | 
|  | #include <__algorithm/is_sorted.h> | 
|  | #include <__algorithm/is_sorted_until.h> | 
|  | #include <__algorithm/iter_swap.h> | 
|  | #include <__algorithm/lexicographical_compare.h> | 
|  | #include <__algorithm/lexicographical_compare_three_way.h> | 
|  | #include <__algorithm/lower_bound.h> | 
|  | #include <__algorithm/make_heap.h> | 
|  | #include <__algorithm/max.h> | 
|  | #include <__algorithm/max_element.h> | 
|  | #include <__algorithm/merge.h> | 
|  | #include <__algorithm/min.h> | 
|  | #include <__algorithm/min_element.h> | 
|  | #include <__algorithm/min_max_result.h> | 
|  | #include <__algorithm/minmax.h> | 
|  | #include <__algorithm/minmax_element.h> | 
|  | #include <__algorithm/mismatch.h> | 
|  | #include <__algorithm/move.h> | 
|  | #include <__algorithm/move_backward.h> | 
|  | #include <__algorithm/next_permutation.h> | 
|  | #include <__algorithm/none_of.h> | 
|  | #include <__algorithm/nth_element.h> | 
|  | #include <__algorithm/partial_sort.h> | 
|  | #include <__algorithm/partial_sort_copy.h> | 
|  | #include <__algorithm/partition.h> | 
|  | #include <__algorithm/partition_copy.h> | 
|  | #include <__algorithm/partition_point.h> | 
|  | #include <__algorithm/pop_heap.h> | 
|  | #include <__algorithm/prev_permutation.h> | 
|  | #include <__algorithm/pstl_any_all_none_of.h> | 
|  | #include <__algorithm/pstl_copy.h> | 
|  | #include <__algorithm/pstl_count.h> | 
|  | #include <__algorithm/pstl_equal.h> | 
|  | #include <__algorithm/pstl_fill.h> | 
|  | #include <__algorithm/pstl_find.h> | 
|  | #include <__algorithm/pstl_for_each.h> | 
|  | #include <__algorithm/pstl_generate.h> | 
|  | #include <__algorithm/pstl_is_partitioned.h> | 
|  | #include <__algorithm/pstl_merge.h> | 
|  | #include <__algorithm/pstl_move.h> | 
|  | #include <__algorithm/pstl_replace.h> | 
|  | #include <__algorithm/pstl_rotate_copy.h> | 
|  | #include <__algorithm/pstl_sort.h> | 
|  | #include <__algorithm/pstl_stable_sort.h> | 
|  | #include <__algorithm/pstl_transform.h> | 
|  | #include <__algorithm/push_heap.h> | 
|  | #include <__algorithm/ranges_adjacent_find.h> | 
|  | #include <__algorithm/ranges_all_of.h> | 
|  | #include <__algorithm/ranges_any_of.h> | 
|  | #include <__algorithm/ranges_binary_search.h> | 
|  | #include <__algorithm/ranges_clamp.h> | 
|  | #include <__algorithm/ranges_contains.h> | 
|  | #include <__algorithm/ranges_contains_subrange.h> | 
|  | #include <__algorithm/ranges_copy.h> | 
|  | #include <__algorithm/ranges_copy_backward.h> | 
|  | #include <__algorithm/ranges_copy_if.h> | 
|  | #include <__algorithm/ranges_copy_n.h> | 
|  | #include <__algorithm/ranges_count.h> | 
|  | #include <__algorithm/ranges_count_if.h> | 
|  | #include <__algorithm/ranges_ends_with.h> | 
|  | #include <__algorithm/ranges_equal.h> | 
|  | #include <__algorithm/ranges_equal_range.h> | 
|  | #include <__algorithm/ranges_fill.h> | 
|  | #include <__algorithm/ranges_fill_n.h> | 
|  | #include <__algorithm/ranges_find.h> | 
|  | #include <__algorithm/ranges_find_end.h> | 
|  | #include <__algorithm/ranges_find_first_of.h> | 
|  | #include <__algorithm/ranges_find_if.h> | 
|  | #include <__algorithm/ranges_find_if_not.h> | 
|  | #include <__algorithm/ranges_for_each.h> | 
|  | #include <__algorithm/ranges_for_each_n.h> | 
|  | #include <__algorithm/ranges_generate.h> | 
|  | #include <__algorithm/ranges_generate_n.h> | 
|  | #include <__algorithm/ranges_includes.h> | 
|  | #include <__algorithm/ranges_inplace_merge.h> | 
|  | #include <__algorithm/ranges_is_heap.h> | 
|  | #include <__algorithm/ranges_is_heap_until.h> | 
|  | #include <__algorithm/ranges_is_partitioned.h> | 
|  | #include <__algorithm/ranges_is_permutation.h> | 
|  | #include <__algorithm/ranges_is_sorted.h> | 
|  | #include <__algorithm/ranges_is_sorted_until.h> | 
|  | #include <__algorithm/ranges_lexicographical_compare.h> | 
|  | #include <__algorithm/ranges_lower_bound.h> | 
|  | #include <__algorithm/ranges_make_heap.h> | 
|  | #include <__algorithm/ranges_max.h> | 
|  | #include <__algorithm/ranges_max_element.h> | 
|  | #include <__algorithm/ranges_merge.h> | 
|  | #include <__algorithm/ranges_min.h> | 
|  | #include <__algorithm/ranges_min_element.h> | 
|  | #include <__algorithm/ranges_minmax.h> | 
|  | #include <__algorithm/ranges_minmax_element.h> | 
|  | #include <__algorithm/ranges_mismatch.h> | 
|  | #include <__algorithm/ranges_move.h> | 
|  | #include <__algorithm/ranges_move_backward.h> | 
|  | #include <__algorithm/ranges_next_permutation.h> | 
|  | #include <__algorithm/ranges_none_of.h> | 
|  | #include <__algorithm/ranges_nth_element.h> | 
|  | #include <__algorithm/ranges_partial_sort.h> | 
|  | #include <__algorithm/ranges_partial_sort_copy.h> | 
|  | #include <__algorithm/ranges_partition.h> | 
|  | #include <__algorithm/ranges_partition_copy.h> | 
|  | #include <__algorithm/ranges_partition_point.h> | 
|  | #include <__algorithm/ranges_pop_heap.h> | 
|  | #include <__algorithm/ranges_prev_permutation.h> | 
|  | #include <__algorithm/ranges_push_heap.h> | 
|  | #include <__algorithm/ranges_remove.h> | 
|  | #include <__algorithm/ranges_remove_copy.h> | 
|  | #include <__algorithm/ranges_remove_copy_if.h> | 
|  | #include <__algorithm/ranges_remove_if.h> | 
|  | #include <__algorithm/ranges_replace.h> | 
|  | #include <__algorithm/ranges_replace_copy.h> | 
|  | #include <__algorithm/ranges_replace_copy_if.h> | 
|  | #include <__algorithm/ranges_replace_if.h> | 
|  | #include <__algorithm/ranges_reverse.h> | 
|  | #include <__algorithm/ranges_reverse_copy.h> | 
|  | #include <__algorithm/ranges_rotate.h> | 
|  | #include <__algorithm/ranges_rotate_copy.h> | 
|  | #include <__algorithm/ranges_sample.h> | 
|  | #include <__algorithm/ranges_search.h> | 
|  | #include <__algorithm/ranges_search_n.h> | 
|  | #include <__algorithm/ranges_set_difference.h> | 
|  | #include <__algorithm/ranges_set_intersection.h> | 
|  | #include <__algorithm/ranges_set_symmetric_difference.h> | 
|  | #include <__algorithm/ranges_set_union.h> | 
|  | #include <__algorithm/ranges_shuffle.h> | 
|  | #include <__algorithm/ranges_sort.h> | 
|  | #include <__algorithm/ranges_sort_heap.h> | 
|  | #include <__algorithm/ranges_stable_partition.h> | 
|  | #include <__algorithm/ranges_stable_sort.h> | 
|  | #include <__algorithm/ranges_starts_with.h> | 
|  | #include <__algorithm/ranges_swap_ranges.h> | 
|  | #include <__algorithm/ranges_transform.h> | 
|  | #include <__algorithm/ranges_unique.h> | 
|  | #include <__algorithm/ranges_unique_copy.h> | 
|  | #include <__algorithm/ranges_upper_bound.h> | 
|  | #include <__algorithm/remove.h> | 
|  | #include <__algorithm/remove_copy.h> | 
|  | #include <__algorithm/remove_copy_if.h> | 
|  | #include <__algorithm/remove_if.h> | 
|  | #include <__algorithm/replace.h> | 
|  | #include <__algorithm/replace_copy.h> | 
|  | #include <__algorithm/replace_copy_if.h> | 
|  | #include <__algorithm/replace_if.h> | 
|  | #include <__algorithm/reverse.h> | 
|  | #include <__algorithm/reverse_copy.h> | 
|  | #include <__algorithm/rotate.h> | 
|  | #include <__algorithm/rotate_copy.h> | 
|  | #include <__algorithm/sample.h> | 
|  | #include <__algorithm/search.h> | 
|  | #include <__algorithm/search_n.h> | 
|  | #include <__algorithm/set_difference.h> | 
|  | #include <__algorithm/set_intersection.h> | 
|  | #include <__algorithm/set_symmetric_difference.h> | 
|  | #include <__algorithm/set_union.h> | 
|  | #include <__algorithm/shift_left.h> | 
|  | #include <__algorithm/shift_right.h> | 
|  | #include <__algorithm/shuffle.h> | 
|  | #include <__algorithm/sift_down.h> | 
|  | #include <__algorithm/sort.h> | 
|  | #include <__algorithm/sort_heap.h> | 
|  | #include <__algorithm/stable_partition.h> | 
|  | #include <__algorithm/stable_sort.h> | 
|  | #include <__algorithm/swap_ranges.h> | 
|  | #include <__algorithm/transform.h> | 
|  | #include <__algorithm/unique.h> | 
|  | #include <__algorithm/unique_copy.h> | 
|  | #include <__algorithm/unwrap_iter.h> | 
|  | #include <__algorithm/upper_bound.h> | 
|  |  | 
|  | // standard-mandated includes | 
|  |  | 
|  | // [algorithm.syn] | 
|  | #include <initializer_list> | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
|  | #  pragma GCC system_header | 
|  | #endif | 
|  |  | 
|  | #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 | 
|  | #  include <atomic> | 
|  | #  include <bit> | 
|  | #  include <concepts> | 
|  | #  include <cstdlib> | 
|  | #  include <cstring> | 
|  | #  include <iterator> | 
|  | #  include <memory> | 
|  | #  include <stdexcept> | 
|  | #  include <type_traits> | 
|  | #  include <utility> | 
|  | #endif | 
|  |  | 
|  | #endif // _LIBCPP_ALGORITHM |