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1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef _LIBCPP___CXX03___ALGORITHM_IS_SORTED_UNTIL_H
10#define _LIBCPP___CXX03___ALGORITHM_IS_SORTED_UNTIL_H
11
12#include <__cxx03/__algorithm/comp.h>
13#include <__cxx03/__algorithm/comp_ref_type.h>
14#include <__cxx03/__config>
15#include <__cxx03/__iterator/iterator_traits.h>
16
17#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
18# pragma GCC system_header
19#endif
20
21_LIBCPP_BEGIN_NAMESPACE_STD
22
23template <class _Compare, class _ForwardIterator>
24_LIBCPP_HIDE_FROM_ABI _ForwardIterator
25__is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) {
26 if (__first != __last) {
27 _ForwardIterator __i = __first;
28 while (++__i != __last) {
29 if (__comp(*__i, *__first))
30 return __i;
31 __first = __i;
32 }
33 }
34 return __last;
35}
36
37template <class _ForwardIterator, class _Compare>
38_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _ForwardIterator
39is_sorted_until(_ForwardIterator __first, _ForwardIterator __last, _Compare __comp) {
40 return std::__is_sorted_until<__comp_ref_type<_Compare> >(__first, __last, __comp);
41}
42
43template <class _ForwardIterator>
44_LIBCPP_NODISCARD inline _LIBCPP_HIDE_FROM_ABI _ForwardIterator
45is_sorted_until(_ForwardIterator __first, _ForwardIterator __last) {
46 return std::is_sorted_until(__first, __last, __less<>());
47}
48
49_LIBCPP_END_NAMESPACE_STD
50
51#endif // _LIBCPP___CXX03___ALGORITHM_IS_SORTED_UNTIL_H
52

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source code of libcxx/include/__cxx03/__algorithm/is_sorted_until.h